Central heating boilers, for producing hot water or low pressure steam

1. Scope and Applicability

Manufacturing methodology for complete central heating boilers delivering hot water or low-pressure steam to a building heating circuit. Includes cast-iron sectional, fabricated steel, stainless condensing, electric resistance and wood-fired designs when their actual configuration is declared. A combined boiler may provide domestic hot water, but a standalone domestic water heater is excluded. Also exclude high-pressure industrial steam generators, heat pumps, room air heaters, radiators, independently supplied boiler parts and site heating networks. The boundary ends at accepted manufacture; customer installation and service fuel/efficiency are separate modelling. No representative product defines all category technology.

CPC 3.0 parent 4482 specifies domestic cooking and heating equipment, non-electric. Only the corresponding non-electric portion of this methodology is classification-matched to 44825; the independent methodology is broader because it retains evidenced electric heating boilers. Actual electric-equipment classification requires separate function and authoritative classification review; no other classification edge is claimed. Source: un-cpc-3-0, printed p.240.

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.metal-products-machinery-and-equipment.special-purpose-machinery.central-heating-boilers-for-producing-hot-water-or-low-pressure-steam
classification_refs	CPC 3.0 44825; broader
covered_products	Complete hot-water or low-pressure-steam heating boilers
excluded_products	Industrial high-pressure steam generator; heat pump; standalone domestic water heater; radiator; independent parts
representative_product	A declared complete packaged boiler; cast, welded, electric and biomass alternatives remain distinct
production_route	Actual make/buy, body fabrication, finishing, assembly, hydraulic/functional acceptance and packing
market_state	Accepted boiler at factory gate in actual delivered state with supplied accessories and BOM-retained sealed fluid/filler; free test water and transport packaging excluded from net mass

3. Reference Flow

Field	Value
What	Supply a declared accepted boiler
How much	1 kg
How well	Declared heat medium, rating, working pressure, material grade, energy technology and accepted configuration
How long or cycle	One factory-gate supply; no service life or lifetime heat output claimed
reference_flow_link	final_product

Field	Value
Reference amount	1
Reference product flow	Accepted central heating boiler
Reference flow property	Mass 93a60a56-a3c8-11da-a746-0800200b9a66
Reference unit group	Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66
Reference unit	kg
Required qualifiers	Model; same configuration/BOM; accepted net mass; material grades; heat medium; pressure; rated heat output; energy technology/fuel; condensation; make/buy; included accessories; test state; site; period

Declare qualifiers in the data package. D is the sum of calibrated accepted net masses for one configuration and reporting period; N counts those accepted units and M = D/N. Keep attributable period exchange Q including reject/rework burdens; q_item = Q/N and q_ref = Q/D. Never average across configurations or include rejected units, packaging or test water in D. This mass reference is manufacturing supply, not delivered heat service.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
reference_mass	final_product	Mass	kg	cp_mass measures D using a calibrated scale; all applicable exchanges use the same period/configuration D.
energy_basis	test_natural_gas, test_oil, test_wood, purchased_steam	Energy	MJ	Fuel uses actual net calorific value, measured mass or volume at declared conditions; wood requires moisture. Purchased steam uses measured delivered heat or kg times actual supply enthalpy relative to a common reference minus actual condensate return enthalpy, each mass in kg times enthalpy in MJ/kg. Do not add supplier fuel burden to purchased heat.
material_basis	physical material and species records	Mass	kg	Wet mass, dry solids and contained metal are distinct; each input, product, scrap, slag, sludge, wastewater and release uses its own matched assay and wet/dry basis.

5. System Boundary

Boundary Abstraction

Field	Value
declared_starting_condition	Actual received metal, cast sections or completed components with supplier treatment state
starting_condition_role	foreground_start
product_classification_scope	CPC 3.0 44825 covers corresponding non-electric portion; methodology also covers evidenced electric boilers
recursive_input_rule	Record a purchased complete same-category boiler as one supplied product with upstream dataset; do not recursively duplicate its manufacture
upstream_dataset_requirement	Actual grade, composition, technology, geography and delivery interface; finished component datasets include embedded materials and motors once
disclosure	Make/buy matrix, actual process exclusions and supplier completion state; factory tests separated from use

rule_id	Rule	source_ids
gate	Include actual manufacture, finishing, assembly, test water/energy/fuels/releases/condensate, repeats, rejects and packing before gate. Exclude customer commissioning and later heat-service fuel.	weil-80; acv-electric
make_buy	Purchased sections/exchangers bypass their own in-house material/casting rows. Purchased burners, pumps and boards carry their embedded manufacture once; do not also add their hidden metals, motor or electronics. In-house manufacture replaces the completed-component purchase, and each actual constituent must be separate.	acv-electric; viessmann-condensing

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
casting	In-house section casting	conditional	Only sections actually cast inside the boundary	foreground	1 kg
fabrication	Body and jacket fabrication	conditional	Only actual cutting/forming/welding/machining	foreground	1 kg
finish	Cleaning and finishing	conditional	Only actual specified surface route	foreground	1 kg
assembly	Purchased component assembly	required	All declared delivered components	foreground	1 kg
test	Factory hydraulic and functional acceptance	required	Actual tests before gate including repeats	foreground	1 kg
dispatch	Packing and shared services	required	Actual dispatch and residual services	foreground	1 kg

Process: In-house section casting (casting)

Inputs

Product flows

Foundry pig iron (iron_charge)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Foundry pig iron

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_iron_charge / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_iron_charge

• Sources: jrc-foundry-2024

Cast iron scrap charge (iron_scrap_charge)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Cast iron scrap charge

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_iron_scrap_charge / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_iron_scrap_charge

• Sources: jrc-foundry-2024

Silica moulding sand (silica_sand)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Silica moulding sand

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_silica_sand / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_silica_sand

• Sources: jrc-foundry-2024

Phenolic resin mould binder (phenolic_binder)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Phenolic resin mould binder

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_phenolic_binder / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_phenolic_binder

• Sources: jrc-foundry-2024

Foundry coke (coke)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Foundry coke

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_coke / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_coke

• Sources: jrc-foundry-2024

Electricity at factory consumption meter (cast_electricity)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Electricity at factory consumption meter

• Flow property / unit: Energy / kWh

• Amount rule: Attributable period amount collected in cp_cast_electricity / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_cast_electricity

• Sources: jrc-foundry-2024

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Iron melting slag (slag)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Iron melting slag

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_slag / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_slag

• Sources: jrc-foundry-2024

Spent silica moulding sand (spent_sand)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Spent silica moulding sand

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_spent_sand / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_spent_sand

• Sources: jrc-foundry-2024

Iron-bearing collected foundry dust (foundry_dust)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Iron-bearing collected foundry dust

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_foundry_dust / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_foundry_dust

• Sources: jrc-foundry-2024

Elementary flows

Process: Body and jacket fabrication (fabrication)

Inputs

Product flows

Carbon steel sheet (carbon_steel)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Carbon steel sheet

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_carbon_steel / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_carbon_steel

• Sources: acv-electric

Stainless steel sheet (stainless_steel)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Stainless steel sheet

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_stainless_steel / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_stainless_steel

• Sources: viessmann-condensing

Steel welding wire (weld_wire)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Steel welding wire

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_weld_wire / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_weld_wire

• Sources: acv-electric

Argon shielding gas (argon)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Argon shielding gas

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_argon / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_argon

• Sources: viessmann-condensing

Water-based machining emulsion (machining_emulsion)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Water-based machining emulsion

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_machining_emulsion / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_machining_emulsion

• Sources: jrc-foundry-2024

Electricity at factory consumption meter (fabrication_power)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Electricity at factory consumption meter

• Flow property / unit: Energy / kWh

• Amount rule: Attributable period amount collected in cp_fabrication_power / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_fabrication_power

• Sources: acv-electric

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Carbon steel fabrication scrap (steel_scrap)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Carbon steel fabrication scrap

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_steel_scrap / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_steel_scrap

• Sources: acv-electric

Stainless steel fabrication scrap (stainless_scrap)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Stainless steel fabrication scrap

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_stainless_scrap / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_stainless_scrap

• Sources: viessmann-condensing

Spent machining emulsion (spent_emulsion)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Spent machining emulsion

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_spent_emulsion / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_spent_emulsion

• Sources: acv-electric

Elementary flows

Process: Cleaning and finishing (finish)

Inputs

Product flows

Process cleaning water (finish_water)

Conditional named chemistry; require actual recipe/SDS. Manufacturer finishing description does not establish this recipe. Split every other actual reagent/formulation species into its own exchange.

• Selected flow: Process cleaning water

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_finish_water / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_finish_water

• Sources: acv-electric

Sodium hydroxide (sodium_hydroxide)

Conditional named chemistry; require actual recipe/SDS. Manufacturer finishing description does not establish this recipe. Split every other actual reagent/formulation species into its own exchange.

• Selected flow: Sodium hydroxide

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_sodium_hydroxide / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_sodium_hydroxide

• Sources: acv-electric

Phosphoric acid (phosphoric_acid)

Conditional named chemistry; require actual recipe/SDS. Manufacturer finishing description does not establish this recipe. Split every other actual reagent/formulation species into its own exchange.

• Selected flow: Phosphoric acid

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_phosphoric_acid / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_phosphoric_acid

• Sources: acv-electric

Polyester coating powder (polyester_powder)

Conditional named chemistry; require actual recipe/SDS. Manufacturer finishing description does not establish this recipe. Split every other actual reagent/formulation species into its own exchange.

• Selected flow: Polyester coating powder

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_polyester_powder / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_polyester_powder

• Sources: acv-electric

Xylene coating solvent (xylene)

Conditional named chemistry; require actual recipe/SDS. Manufacturer finishing description does not establish this recipe. Split every other actual reagent/formulation species into its own exchange.

• Selected flow: Xylene coating solvent

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_xylene / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_xylene

• Sources: acv-electric

Electricity at factory consumption meter (finish_power)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Electricity at factory consumption meter

• Flow property / unit: Energy / kWh

• Amount rule: Attributable period amount collected in cp_finish_power / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_finish_power

• Sources: acv-electric

Natural gas supplied for coating oven (finish_gas)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Natural gas supplied for coating oven

• Flow property / unit: Energy / MJ

• Amount rule: Attributable period amount collected in cp_finish_gas / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_finish_gas

• Sources: acv-electric

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Coating sludge (paint_sludge)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Coating sludge

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_paint_sludge / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_paint_sludge

• Sources: acv-electric

Metal-bearing surface-treatment wastewater (finish_wastewater)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Metal-bearing surface-treatment wastewater

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_finish_wastewater / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_finish_wastewater

• Sources: acv-electric

Elementary flows

Xylene to air (xylene_air)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Xylene to air

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_xylene_air / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_xylene_air

• Sources: acv-electric

Process: Purchased component assembly (assembly)

Inputs

Product flows

Finished cast iron boiler section (purchased_section)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Finished cast iron boiler section

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_purchased_section / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_purchased_section

• Sources: weil-80

Finished stainless steel boiler heat exchanger (purchased_exchanger)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Finished stainless steel boiler heat exchanger

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_purchased_exchanger / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_purchased_exchanger

• Sources: viessmann-condensing

Complete gas burner assembly (burner)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Complete gas burner assembly

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_burner / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_burner

• Sources: viessmann-condensing

Complete oil burner assembly (oil_burner)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Complete oil burner assembly

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_oil_burner / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_oil_burner

• Sources: weil-80

Incoloy 800 electric heating element (element)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Incoloy 800 electric heating element

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_element / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_element

• Sources: acv-electric

Complete circulating pump (pump)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Complete circulating pump

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_pump / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_pump

• Sources: acv-electric

Boiler electronic control board (control)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Boiler electronic control board

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_control / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_control

• Sources: viessmann-condensing

Boiler pressure safety valve (valve)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Boiler pressure safety valve

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_valve / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_valve

• Sources: acv-electric

Refractory cement lining (refractory)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Refractory cement lining

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_refractory / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_refractory

• Sources: viessmann-wood

Mineral wool thermal insulation (insulation)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Mineral wool thermal insulation

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_insulation / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_insulation

• Sources: weil-80

EPDM sealing gasket (seal)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: EPDM sealing gasket

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_seal / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_seal

• Sources: acv-electric

Electricity at factory consumption meter (assembly_power)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Electricity at factory consumption meter

• Flow property / unit: Energy / kWh

• Amount rule: Attributable period amount collected in cp_assembly_power / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_assembly_power

• Sources: acv-electric

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Elementary flows

Process: Factory hydraulic and functional acceptance (test)

Inputs

Product flows

Factory hydraulic test water (test_water)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Factory hydraulic test water

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_test_water / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_test_water

• Sources: acv-electric

Electricity at factory consumption meter (test_power)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Electricity at factory consumption meter

• Flow property / unit: Energy / kWh

• Amount rule: Attributable period amount collected in cp_test_power / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_test_power

• Sources: acv-electric

Natural gas for factory firing (test_natural_gas)

Only actual factory firing before dispatch; no later customer fuel. Keep fuel mass/volume, actual composition/moisture and calorific value.

• Selected flow: Natural gas for factory firing

• Flow property / unit: Energy / MJ

• Amount rule: Attributable period amount collected in cp_test_natural_gas / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_test_natural_gas

• Sources: viessmann-condensing

Light fuel oil for factory firing (test_oil)

Only actual factory firing before dispatch; no later customer fuel. Keep fuel mass/volume, actual composition/moisture and calorific value.

• Selected flow: Light fuel oil for factory firing

• Flow property / unit: Energy / MJ

• Amount rule: Attributable period amount collected in cp_test_oil / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_test_oil

• Sources: weil-80

Firewood for factory firing (test_wood)

Only actual factory firing before dispatch; no later customer fuel. Keep fuel mass/volume, actual composition/moisture and calorific value.

• Selected flow: Firewood for factory firing

• Flow property / unit: Energy / MJ

• Amount rule: Attributable period amount collected in cp_test_wood / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_test_wood

• Sources: viessmann-wood

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Hydraulic test drain water (test_drain)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Hydraulic test drain water

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_test_drain / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_test_drain

• Sources: acv-electric

Combustion condensate wastewater (condensate)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Combustion condensate wastewater

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_condensate / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_condensate

• Sources: viessmann-condensing

Wood combustion ash (wood_ash)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Wood combustion ash

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_wood_ash / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_wood_ash

• Sources: viessmann-wood

Elementary flows

Fossil carbon dioxide to air (fossil_co2)

Only actual release, species and air compartment. Require species-specific stack flow/concentration or applicable emission method; efficiency advertisements are not emission factors.

• Selected flow: Fossil carbon dioxide to air

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_fossil_co2 / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_fossil_co2

• Sources: weil-80

Biogenic carbon dioxide to air (biogenic_co2)

Only actual release, species and air compartment. Require species-specific stack flow/concentration or applicable emission method; efficiency advertisements are not emission factors.

• Selected flow: Biogenic carbon dioxide to air

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_biogenic_co2 / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_biogenic_co2

• Sources: viessmann-wood

Carbon monoxide to air (co)

Only actual release, species and air compartment. Require species-specific stack flow/concentration or applicable emission method; efficiency advertisements are not emission factors.

• Selected flow: Carbon monoxide to air

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_co / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_co

• Sources: weil-80

Nitrogen oxides expressed as nitrogen dioxide to air (nox)

Only actual release, species and air compartment. Require species-specific stack flow/concentration or applicable emission method; efficiency advertisements are not emission factors.

• Selected flow: Nitrogen oxides expressed as nitrogen dioxide to air

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_nox / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_nox

• Sources: weil-80

Particulate matter to air (particles)

Only actual release, species and air compartment. Require species-specific stack flow/concentration or applicable emission method; efficiency advertisements are not emission factors.

• Selected flow: Particulate matter to air

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_particles / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_particles

• Sources: weil-80

Process: Packing and shared services (dispatch)

Inputs

Product flows

Corrugated cardboard packaging (corrugated)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Corrugated cardboard packaging

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_corrugated / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_corrugated

• Sources: acv-electric

Wood pallet (wood_pallet)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Wood pallet

• Flow property / unit: Mass / kg

• Amount rule: Attributable period amount collected in cp_wood_pallet / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_wood_pallet

• Sources: acv-electric

Electricity at factory consumption meter (residual_power)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Electricity at factory consumption meter

• Flow property / unit: Energy / kWh

• Amount rule: Attributable period amount collected in cp_residual_power / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_residual_power

• Sources: acv-electric

Purchased saturated steam heat (purchased_steam)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Purchased saturated steam heat

• Flow property / unit: Energy / MJ

• Amount rule: Attributable period amount collected in cp_purchased_steam / D.

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_purchased_steam

• Sources: acv-electric

Waste flows

Elementary flows

Outputs

Product flows

Accepted central heating boiler (final_product)

Record only if this exchange occurs; identify exact grade, composition and delivery interface.

• Selected flow: Accepted central heating boiler

• Flow property / unit: Mass / kg

• Amount rule: 1 kg

• Value mode: foreground_record

• Specificity: site_specific

• Normalization basis: per 1 kg reference flow

• Basis kind: reference_flow

• Evidence kind: collected_record

• Collection protocol: cp_mass

• Sources: acv-electric

Waste flows

Elementary flows

NOx expressed as NO2 is a declared reporting-equivalence convention, not proof that all molecules are NO2; preserve measured NO and NO2 species or conversion convention separately. Particulate matter requires actual sampling definition and measured size fraction; PM10 and PM2.5 use separate exchanges if measured, never infer them from unknown-size total dust. Add each actual sealed-fluid/filler exchange and its BOM retention, without counting purchased complete-component internals twice.

7. Allocation and Co-product Handling

rule_id	Rule	source_ids
allocation	Separate configurations and routes; use measured causal machine hours, heat, test cycles or treated area for shared work. Retain reject/rework burden in Q for accepted production. Internal returns cancel paired transfers; no automatic avoided-burden credit for scrap. Declare actual waste/coproduct status and consistent upstream recycling allocation.	jrc-foundry-2024

8. Foreground Data Collection, Calculation, and Quality Rules

Data Collection Protocols

protocol_id	process_id	flow_role	record_type	raw_fields	collection_method	unit	frequency	temporal_coverage	site_scope	aggregation_rule	quality_evidence
cp_mass	dispatch	final_product	measurement	Model; configuration; serial; accepted net mass; N; reporting period	Weigh accepted complete boiler in actual delivered state on calibrated scale, including BOM-retained sealed fluid/filler but excluding transport packaging and free test water; reconcile BOM and acceptance. Record D as sum of accepted net masses.	kg	Each accepted unit	Matched reporting period	One configuration and factory	per 1 kg reference flow	Scale calibration; accepted serials; BOM
cp_iron_charge	casting	iron_charge	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_iron_scrap_charge	casting	iron_scrap_charge	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_silica_sand	casting	silica_sand	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_phenolic_binder	casting	phenolic_binder	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_coke	casting	coke	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_cast_electricity	casting	cast_electricity	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kWh	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_slag	casting	slag	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_spent_sand	casting	spent_sand	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_foundry_dust	casting	foundry_dust	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_carbon_steel	fabrication	carbon_steel	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_stainless_steel	fabrication	stainless_steel	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_weld_wire	fabrication	weld_wire	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_argon	fabrication	argon	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_machining_emulsion	fabrication	machining_emulsion	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_fabrication_power	fabrication	fabrication_power	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kWh	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_steel_scrap	fabrication	steel_scrap	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_stainless_scrap	fabrication	stainless_scrap	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_spent_emulsion	fabrication	spent_emulsion	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_finish_water	finish	finish_water	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_sodium_hydroxide	finish	sodium_hydroxide	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_phosphoric_acid	finish	phosphoric_acid	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_polyester_powder	finish	polyester_powder	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_xylene	finish	xylene	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_finish_power	finish	finish_power	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kWh	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_finish_gas	finish	finish_gas	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	MJ	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_paint_sludge	finish	paint_sludge	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_finish_wastewater	finish	finish_wastewater	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_xylene_air	finish	xylene_air	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Measure actual species and compartment using matched concentration and discharge/stack flow; document sampling, dry/wet and oxygen basis. Carbon balance supports total carbon only, never establishes CO or NOx species.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_purchased_section	assembly	purchased_section	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_purchased_exchanger	assembly	purchased_exchanger	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_burner	assembly	burner	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_oil_burner	assembly	oil_burner	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_element	assembly	element	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_pump	assembly	pump	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_control	assembly	control	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_valve	assembly	valve	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_refractory	assembly	refractory	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_insulation	assembly	insulation	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_seal	assembly	seal	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_assembly_power	assembly	assembly_power	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kWh	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_test_water	test	test_water	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_test_power	test	test_power	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kWh	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_test_natural_gas	test	test_natural_gas	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	MJ	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_test_oil	test	test_oil	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	MJ	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_test_wood	test	test_wood	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	MJ	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_test_drain	test	test_drain	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_condensate	test	condensate	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_wood_ash	test	wood_ash	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_fossil_co2	test	fossil_co2	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Measure actual species and compartment using matched concentration and discharge/stack flow; document sampling, dry/wet and oxygen basis. Carbon balance supports total carbon only, never establishes CO or NOx species.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_biogenic_co2	test	biogenic_co2	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Measure actual species and compartment using matched concentration and discharge/stack flow; document sampling, dry/wet and oxygen basis. Carbon balance supports total carbon only, never establishes CO or NOx species.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_co	test	co	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Measure actual species and compartment using matched concentration and discharge/stack flow; document sampling, dry/wet and oxygen basis. Carbon balance supports total carbon only, never establishes CO or NOx species.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_nox	test	nox	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Measure actual species and compartment using matched concentration and discharge/stack flow; document sampling, dry/wet and oxygen basis. Carbon balance supports total carbon only, never establishes CO or NOx species.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_particles	test	particles	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Measure actual species and compartment using matched concentration and discharge/stack flow; document sampling, dry/wet and oxygen basis. Carbon balance supports total carbon only, never establishes CO or NOx species.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_corrugated	dispatch	corrugated	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_wood_pallet	dispatch	wood_pallet	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	kg	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_residual_power	dispatch	residual_power	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Site meter minus already assigned casting, fabrication, finishing, assembly, test and packing loads; reconcile imports, on-site generation, exports and storage for same period/units. Allocate only measured unassigned residual; investigate negative residual, never clip.	kWh	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record
cp_purchased_steam	dispatch	purchased_steam	measurement	Period; configuration; quantity; unit; grade/species; supplier/compartment; stocks; sampling and uncertainty	Meter or weigh actual attributed period exchange; reconcile invoices, stock changes, internal returns and reject/rework.	MJ	Each batch/test or meter period	Matched reporting period	Declared process and configuration	per 1 kg reference flow	Calibrated meter; assay; receipts; allocation record

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
period_normalization	all inventory rows	Use attributable period amount Q / D for each exchange; preserve original quantity and units; final_product = 1 kg.	Q; D; cp_mass	q_ref	acv-electric

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
identity	all applicable rows	Confirm actual UUID, property/unit, material grade, supply interface and downstream waste provider. Missing identity remains unknown; not_applicable requires documented absence, not zero. Add separate cards for actual alloys, fuels, agents, wastes or species not listed.	Direct identities and supplier/site records
period	all exchanges	Use matched period, configuration, BOM and tests; track actual missing coverage and uncertainty. No universal empirical range or advertised efficiency fills manufacturing data.	Records and uncertainty budget

9. Validation Rules

rule_id	Rule	source_ids
reference_check	Require positive D and N, same accepted configuration and calibrated net masses; reconcile reference output 1 kg, Q/D and retained reject/rework.	acv-electric
water_closure	Close actual water: external water and input moisture plus beginning stock and reaction generation equal retained product water, end stock, evaporation, discharge and reaction consumption. Pair internal returns; test recirculation is not repeated purchased water. Investigate residual with actual combined meter/sampling/allocation uncertainty; no universal tolerance.	acv-electric
metal_closure	For each contained metal/species, apply its own matched assay on every input, product, scrap, slag, sludge, wastewater and release; include beginning/end stocks, reaction transformations and paired transfers. Gross material mass never equals contained element. Investigate closure against actual combined measurement/sampling/allocation uncertainty.	jrc-foundry-2024
solvent_closure	For each actual solvent close input and stock change against product retention, recovered solvent, capture media, actual destruction, air releases and non-air residuals; distinguish capture from destruction. Use combined actual uncertainty.	acv-electric
utility_check	Reconcile all process/test/dispatch assigned loads and unassigned shared residual to same measured site balance, period and units. Do not add whole-factory totals on submeters. Investigate negative residuals against actual meter/sampling/allocation uncertainty, never clip them; reconcile imports, actual generation, fuel, exports and stock interfaces without counting the same carrier twice. Fuel carbon alone cannot establish CO/NOx; require species-specific evidence and fossil/biogenic split. NOx as NO2 is a reporting-equivalence convention, not pure NO2 identity; preserve actual NO/NO2 measurement and convention. Particle emissions require actual sampling definition and size fraction; measured PM10/PM2.5 are separate exchanges and never inferred from unknown-size dust. Factory firing emissions and condensate remain production exchanges; later use is separate.	weil-80; viessmann-condensing

10. Published Dataset Profile

Field	Value
dataset_role	foreground_dataset
downstream_use	secondary_dataset; background_dataset
allowed_use	Declared manufacturing supply and downstream process/lifecycle projections
excluded_use	Unqualified heat-service comparisons, operating efficiency or lifetime claims
required_metadata	All qualifiers; site/period; D,N; make/buy; testing; actual providers
required_quality_disclosure	Missing UUIDs/ranges; route and foreground coverage; uncertainty; sampling; allocation; actual gaps
update_trigger	Changed configuration, material, provider, energy technology, test or period

11. Data Sources

Source id	Type	Reference	Used for
un-cpc-3-0	official_guidance	UNSD CPC Version 3.0 Explanatory Notes, 30 June 2025, subclass 44825 https://unstats.un.org/unsd/classifications/Econ/Download/In%20Text/CPC_Ver_3.0_Exp_Notes_30Jun2025.pdf	Classification coordinate and neighbouring product boundaries only; not manufacturing route or inventory evidence
weil-80	handbook	Weil-McLain 80 Cast Iron Boiler Submittal, p.1 https://www.weil-mclain.com/wp-content/uploads/SUB_001_80-Submittal.pdf	Cast-iron water/steam gas/oil boiler, jacket, refractory, conditional factory fire-test
acv-electric	handbook	ACV E-Tech W A1007841 664Y7800 A, p.6 https://downloads.acv.com/A1007841_664Y7800_A_E-Tech%20W_EN.pdf	Steel heating body and casing, Incoloy elements, finishing and hydraulic test; model values not defaults
viessmann-condensing	handbook	Vitocrossal 300 CI3, 6222565 GB 3/2024, p.2 https://www.viessmann.co.uk/content/dam/public-brands/gb/products/gas-heating/vitocrossal-200-type-ci3/Technical%20Data%20Manual%20Vitocrossal%20300%20240301.pdf/_jcr_content/renditions/original.media_file.download_attachment.file/Technical%20Data%20Manual%20Vitocrossal%20300%20240301.pdf	Stainless condensing heat exchanger and assembled burner/control configuration
viessmann-wood	handbook	Vitoligno 150-S product information https://www.viessmann.it/it/prodotti/caldaia-a-pellet-cippato/vitoligno-150-s.html	Wood heating alternative, refractory and ash; no advertised efficiency used
jrc-foundry-2024	official_guidance	JRC Smitheries and Foundries BREF 2024, section 2.2.1.1, p.67; DOI 10.2760/4805267 https://bureau-industrial-transformation.jrc.ec.europa.eu/sites/default/files/2024-12/SF_BREF_2024-bref.pdf	Conditional in-house casting decomposition; no boiler-specific quantities