Munitions and ammunition articles and parts: environmental inventory accounting

1. Scope and Applicability

This candidate supplies non-operational environmental accounting for delivered munitions, ammunition and their parts. It defines factory reporting gates, supplier interfaces, measured environmental totals and data-quality tests. It does not provide manufacturing instructions, energetic formulations, assembly/loading sequences, ignition mechanisms, performance design or operating parameters. A kilogram is a production normalization unit, not a claim of equivalent military function or performance.

The original UN CPC label covers complete articles and parts, including shot and cartridge wads; it does not supply a common production recipe. Whole articles, inert parts and purchased completed articles require different declared environmental interfaces. Factory-gate inventories exclude subsequent storage, deployment, use, range residues and end-of-life response; EPA documents these later contamination pathways, so excluding them cannot imply they are zero. No numerical material, energy, lifetime, yield or emission defaults are asserted. [un-cpc3-2025; epa-munitions-environment]

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.metal-products-machinery-and-equipment.special-purpose-machinery.bombs-grenades-torpedoes-mines-missiles-and-similar-munitions-of-war-and-parts-thereof-2a511aac
classification_refs	CPC 3.0 44740
covered_products	Delivered bombs, grenades, torpedoes, mines, missiles and similar munitions; cartridges, ammunition, projectiles and their parts, including shot and cartridge wads. Each dataset declares exactly one family and delivery state.
excluded_products	Firearms/other arms (44730); edged arms (44750); weapon parts belonging to 44760; operational services, design advice, range remediation and post-use treatment datasets.
representative_product	A supplier-identified accepted delivered article, with an empty brass cartridge case illustrating an inert-part interface only; no representative mass is assigned.
production_route	Environmental reporting partitions: supplier-completed article/part; site manufacture totals; final acceptance and packaging; outsourced services. Actual make/buy coverage is declared without operational sequence.
market_state	Accepted new delivered article or part, whole/inert/unfilled condition declared; no equivalence across families.

3. Reference Flow

Field	Value
What	Production and delivery of the declared article family at the factory gate; no operational functional comparison.
How much	1 kg accepted net article mass of one declared family and delivery state.
How well	Supplier acceptance and traceability records establish delivered state; no ballistic, energetic or design criteria are specified.
How long or cycle	One reporting period of factory production; no service lifetime or deployment cycle is assumed.
reference_flow_link	accepted_article

Field	Value
Reference amount	1
Reference product flow	Accepted delivered munition article
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	article family; whole article or part; inert/unfilled/delivered state; supplier and site; reporting period; acceptance identifier; net mass scope; make/buy gate; upstream provider coverage; confidentiality and omitted-data scope; transport and packaging treatment; constituent/compartment definitions for emissions

Qualifiers must be present in dataset metadata and supporting records. An unresolved category product UUID does not authorize substituting a civilian petroleum-perforating product or one purchased part for the entire category.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
reference_mass	reference product	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	D is reporting-period accepted net product mass of the same declared family/state; use calibrated weighing or traceable weighing records excluding transport packaging. Rejects, work in progress and unrelated families are not accepted output. Collect using cp_accepted_article.
normalization	all inventory rows	row-specific property	kg, kWh, MJ, t*km	Final exchanges are per 1 kg reference flow. Divide the attributable same-period exchange total by D only after stock reconciliation, cancellation of internal transfers and justified allocation. Preserve the numerator unit.
chemical_basis	emissions and residues	identified constituent mass	kg	Match laboratory constituent, phase, compartment and wet/dry basis on every balance term. Gross sludge or particulate mass is never contained lead/copper mass. Each product, input, scrap, sludge, stock and release term requires its own matching constituent assay, analytical definition and moisture basis; a common assay cannot stand in for every term. Report analytical nondetects and limits explicitly.

5. System Boundary

Boundary Abstraction

Field	Value
declared_starting_condition	Actual supplier delivery gates and site reporting perimeter; inventory opening/closing stocks and supplier environmental dataset scope are stated.
starting_condition_role	boundary_abstraction
product_classification_scope	CPC 3.0 44740
recursive_input_rule	A purchased same-category part/article is a distinct supplier interface with upstream burdens once; no recursive duplication of its constituent materials or supplier manufacturing. Internal transfers cancel.
upstream_dataset_requirement	Match actual delivered state, mass property, provider geography/year and gate. Include all relevant supplier production and attributable transport, including confidential material interfaces where independently verified; missing evidence remains an explicit coverage gap.
disclosure	Disclose make/buy partition, supplier coverage, outsourced service gates, excluded life stages and withheld inventories. Environmental totals alone cannot substantiate an undisclosed complete material inventory.

rule_id	Applies to	Rule	source_ids
boundary_once	all processes	Map every real site activity to exactly one environmental reporting partition. Supplier-completed operations are upstream; site manufacturing and final acceptance burdens, handling, utilities and pollution controls are measured once. The partitions are accounting gates, not a production sequence.	un-cpc3-2025
boundary_lifecycle	all processes	Keep factory production separate from later storage, transport after gate, deployment, use, disposal and remediation. Record on-site quality-test environmental releases in production totals when attributable, without specifying test methods or conditions.	epa-munitions-environment
boundary_coverage	all exchanges	Require an independently reviewed environmental interface register for every actual material, purchased part, service, waste and emitted species. Add each as a separate atomic dataset exchange. Public candidate cards are conditional examples, not exhaustive coverage or permission to omit confidential burdens. If supporting evidence cannot be reviewed, report incompleteness rather than zero.	epa-tri-reporting

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
supplier_interfaces	Purchased interface accounting	required	All actual external deliveries, including outsourced environmental provider gates; no supplier recipe disclosure.	Foreground environmental accounting	per 1 kg reference flow
site_environment	Site environmental inventory totals	required	All attributable site manufacturing, utilities, handling and pollution-control totals, audited by safe environmental reporting partitions.	Foreground environmental accounting	per 1 kg reference flow
delivered_gate	Accepted output and packaging accounting	required	One declared delivered family/state; record packaging separately and link acceptance records.	Foreground environmental accounting	per 1 kg reference flow

Process: Purchased interface accounting (supplier_interfaces)

Inputs

Product flows

Empty brass cartridge case (empty_brass_case)

Only when purchased across the reporting gate. Record alloy designation, empty delivery state and supplier coverage without geometry or production instructions; supplier burden includes the delivered case once.

• Selected flow: Empty brass cartridge case
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_empty_brass_case / D; reconcile stock and allocation first.
• 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_empty_brass_case
• Sources: epa-tri-reporting

Unfilled steel munition casing (unfilled_steel_casing)

Only for an actual purchased unfilled casing. Verify steel grade, surface condition and provider gate; do not additionally count the supplier steel or supplier utilities within foreground totals.

• Selected flow: Unfilled steel munition casing
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_unfilled_steel_casing / D; reconcile stock and allocation first.
• 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_unfilled_steel_casing
• Sources: epa-tri-reporting

Polyethylene cartridge wad (polyethylene_wad)

Conditional actual purchased part, with declared polymer grade and supplier gate. It is a distinct delivered part, not an assumed input to all ammunition families.

• Selected flow: Polyethylene cartridge wad
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_polyethylene_wad / D; reconcile stock and allocation first.
• 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_polyethylene_wad
• Sources: epa-tri-reporting

Freight transport by road truck (transport_service)

Conditional inbound carrier service not already in the supplier dataset: use actual consignments and distance, including packaging in transported mass but excluding it from product denominator.

• Selected flow: Freight transport by road truck
• Flow property / unit: Transport work / t*km
• Amount rule: Attributable reporting-period amount from cp_transport_service / D; reconcile stock and allocation first.
• 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_transport_service
• Sources: epa-tri-reporting

Process: Site environmental inventory totals (site_environment)

Inputs

Product flows

Purchased alternating-current electricity at factory meter (grid_electricity)

Metered purchased supply only, with geography, grid year, voltage and provider. In-house generation is a separate measured service with its own fuel and emissions; it is never an additional purchased electricity input.

• Selected flow: Purchased alternating-current electricity at factory meter
• Flow property / unit: Electrical energy / kWh
• Amount rule: Attributable reporting-period amount from cp_grid_electricity / D; reconcile stock and allocation first.
• 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_grid_electricity
• Sources: epa-tri-reporting

Purchased saturated steam at factory delivery meter (purchased_steam)

Conditional purchased steam; retain metered useful delivered heat and actual supplier condensate-return boundary. If verified supplier MJ is unavailable, derive delivered energy from measured steam mass multiplied by state-specific enthalpy relative to a declared common reference: kg × MJ/kg = MJ; subtract the measured condensate-return energy using that same reference. Preserve supplier state/enthalpy evidence and uncertainty without prescribing operational settings. Supplier boiler fuel and stack emissions stay upstream; no operating parameter is prescribed.

• Selected flow: Purchased saturated steam at factory delivery meter
• Flow property / unit: Energy / MJ
• Amount rule: Attributable reporting-period amount from cp_purchased_steam / D; reconcile stock and allocation first.
• 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: epa-tri-reporting

Purchased natural gas at factory delivery meter (natural_gas)

Conditional actual stationary utility fuel, retaining metered quantity and documented calorific conversion. Its supplier burden and measured site combustion releases are separate.

• Selected flow: Purchased natural gas at factory delivery meter
• Flow property / unit: Energy / MJ
• Amount rule: Attributable reporting-period amount from cp_natural_gas / D; reconcile stock and allocation first.
• 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_natural_gas
• Sources: epa-tri-reporting

Diesel fuel for factory handling equipment (diesel)

Conditional actual handling equipment fuel. Record receipts, withdrawals and stock change; no assumed equipment duty cycle or fuel consumption.

• Selected flow: Diesel fuel for factory handling equipment
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_diesel / D; reconcile stock and allocation first.
• 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_diesel
• Sources: epa-tri-reporting

Purchased industrial water at factory meter (purchased_water)

Purchased water only; retain supply origin and density conversion if meter records volume. Cooling recirculation is an internal movement, not repeated external water input. Direct abstraction requires separate source-specific elementary rows.

• Selected flow: Purchased industrial water at factory meter
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_purchased_water / D; reconcile stock and allocation first.
• 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_water
• Sources: epa-tri-reporting

Outputs

Waste flows

Uncontaminated brass scrap sent to recycler (brass_scrap)

Conditional inert scrap with supplier/receiver identity and measured mass. Verify contamination status; hazardous residues must not be substituted by this flow. Record treatment or recycling provider once.

• Selected flow: Uncontaminated brass scrap sent to recycler
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_brass_scrap / D; reconcile stock and allocation first.
• 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_brass_scrap
• Sources: epa-tri-reporting

Dewatered metal-bearing wastewater-treatment sludge (metal_sludge)

Conditional actual sludge; retain wet/dry basis, laboratory constituent identities, water content and receiver acceptance. Sludge mass is not the contained mass of any metal.

• Selected flow: Dewatered metal-bearing wastewater-treatment sludge
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_metal_sludge / D; reconcile stock and allocation first.
• 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_metal_sludge
• Sources: epa-tri-reporting

Metal-bearing aqueous effluent transferred to licensed treatment (offsite_effluent)

Conditional external wastewater transfer; record each actual liquid stream separately and receiver interface. Do not also label the same transferred metal as a direct river release.

• Selected flow: Metal-bearing aqueous effluent transferred to licensed treatment
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_offsite_effluent / D; reconcile stock and allocation first.
• 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_offsite_effluent
• Sources: epa-tri-reporting

Elementary flows

Carbon dioxide, fossil, to air (fossil_co2)

Conditional actual site utility combustion release, using independently documented fuel-carbon and oxidized-carbon evidence or monitored species total; never apply a supplier electricity factor as a site stack emission.

• Selected flow: Carbon dioxide, fossil, to air
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_fossil_co2 / D; reconcile stock and allocation first.
• 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: epa-tri-reporting

Carbon monoxide to air (carbon_monoxide)

Conditional monitored utility release. Species-specific monitoring or justified species factor required; carbon closure alone does not determine carbon monoxide.

• Selected flow: Carbon monoxide to air
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_carbon_monoxide / D; reconcile stock and allocation first.
• 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_monoxide
• Sources: epa-tri-reporting

Nitrogen dioxide to air (nitrogen_dioxide)

Conditional actual nitrogen dioxide release. A nitrogen-oxides-as-NO2 report is not automatically molecular NO2; retain analytical definition and create the corresponding separate flow if it reports a mixture.

• Selected flow: Nitrogen dioxide to air
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_nitrogen_dioxide / D; reconcile stock and allocation first.
• 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_nitrogen_dioxide
• Sources: epa-tri-reporting

Lead to air (lead_air)

Only when evidence identifies actual lead release to air. Record stack/fugitive distinction and measured elemental lead basis; never derive it from total particulate or gross product mass.

• Selected flow: Lead to air
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_lead_air / D; reconcile stock and allocation first.
• 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_lead_air
• Sources: epa-tri-reporting

Copper to freshwater (copper_water)

Only for a measured final discharge to freshwater with receiver and constituent definition. Apply laboratory concentration and corresponding discharged-water quantity; exclude amounts transferred off-site or retained in sludge.

• Selected flow: Copper to freshwater
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_copper_water / D; reconcile stock and allocation first.
• 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_copper_water
• Sources: epa-tri-reporting

Process: Accepted output and packaging accounting (delivered_gate)

Inputs

Product flows

Corrugated cardboard transport box (corrugated_box)

Conditional actual accepted-product packaging, measured separately from article mass. Include its provider burden and rejected packaging where attributable.

• Selected flow: Corrugated cardboard transport box
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_corrugated_box / D; reconcile stock and allocation first.
• 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_box
• Sources: epa-tri-reporting

Steel transport strapping (steel_strapping)

Conditional actual steel package restraint, counted independently from the cardboard box and product body. Do not prescribe packaging construction.

• Selected flow: Steel transport strapping
• Flow property / unit: Mass / kg
• Amount rule: Attributable reporting-period amount from cp_steel_strapping / D; reconcile stock and allocation first.
• 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_strapping
• Sources: epa-tri-reporting

Outputs

Product flows

Accepted delivered munition article (accepted_article)

Reference output; the concrete dataset represents one declared article family and delivered state, never a mixed basket. Record net accepted mass after excluding transport packaging.

• Selected flow: Accepted delivered munition article
• 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_accepted_article
• Sources: un-cpc3-2025

7. Allocation and Co-product Handling

rule_id	Applies to	Rule	source_ids
allocation_hierarchy	all processes	Investigate subdivision and system expansion before allocation. For a declared attributional factory-gate product inventory, prefer dedicated records; allocate remaining shared totals using a measured relevant physical driver. If using another relationship, explain why physical causality was inadequate and document price period/sensitivity.	eu-ef-2021
allocation_residues	all waste rows	Keep recoverable scrap, hazardous waste and co-products distinct. No automatic avoided virgin-material credit; state the chosen recycling/treatment convention and provider boundary. Transfers and internal recirculation cannot create environmental credits by themselves.	eu-ef-2021

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_empty_brass_case	supplier_interfaces	Empty brass cartridge case	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_unfilled_steel_casing	supplier_interfaces	Unfilled steel munition casing	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_polyethylene_wad	supplier_interfaces	Polyethylene cartridge wad	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_transport_service	supplier_interfaces	Freight transport by road truck	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	t*km	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_grid_electricity	site_environment	Purchased alternating-current electricity at factory meter	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	kWh	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_purchased_steam	site_environment	Purchased saturated steam at factory delivery meter	primary_record	provider; supplied/return state; period; verified delivered MJ or measured steam/condensate mass; specific enthalpy evidence; common reference; actual return boundary; allocation and uncertainty	Reconcile verified measured MJ or measured mass × actual state-specific enthalpy difference on a common reference, with actual condensate return accounted separately; verify supplier gate and meter/source uncertainty. No operational settings are specified.	MJ	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_natural_gas	site_environment	Purchased natural gas at factory delivery meter	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	MJ	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_diesel	site_environment	Diesel fuel for factory handling equipment	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_purchased_water	site_environment	Purchased industrial water at factory meter	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_brass_scrap	site_environment	Uncontaminated brass scrap sent to recycler	primary_record	stream identity; receiver; transfer ticket; wet/dry basis; chemical assay; mass; period; stock change; treatment boundary	Reconcile calibrated waste weighing or metered transfer with receiver records and laboratory stream characterization; no safe handling or treatment operations are prescribed.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_metal_sludge	site_environment	Dewatered metal-bearing wastewater-treatment sludge	primary_record	stream identity; receiver; transfer ticket; wet/dry basis; chemical assay; mass; period; stock change; treatment boundary	Reconcile calibrated waste weighing or metered transfer with receiver records and laboratory stream characterization; no safe handling or treatment operations are prescribed.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_offsite_effluent	site_environment	Metal-bearing aqueous effluent transferred to licensed treatment	primary_record	stream identity; receiver; transfer ticket; wet/dry basis; chemical assay; mass; period; stock change; treatment boundary	Reconcile calibrated waste weighing or metered transfer with receiver records and laboratory stream characterization; no safe handling or treatment operations are prescribed.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_fossil_co2	site_environment	Carbon dioxide, fossil, to air	primary_record	species; compartment; stack/fugitive/discharge identity; sample date; laboratory result; detection limit; corresponding gas/water flow; period total; method uncertainty	Use accredited species-specific analysis with corresponding emission flow and temporal coverage; retain monitored totals or transparent validated factors. Keep transferred waste distinct from direct release. For each term, retain its own corresponding constituent assay; selective annual TRI reporting is corroboration, not evidence of inventory completeness or an unreported zero.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_carbon_monoxide	site_environment	Carbon monoxide to air	primary_record	species; compartment; stack/fugitive/discharge identity; sample date; laboratory result; detection limit; corresponding gas/water flow; period total; method uncertainty	Use accredited species-specific analysis with corresponding emission flow and temporal coverage; retain monitored totals or transparent validated factors. Keep transferred waste distinct from direct release. For each term, retain its own corresponding constituent assay; selective annual TRI reporting is corroboration, not evidence of inventory completeness or an unreported zero.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_nitrogen_dioxide	site_environment	Nitrogen dioxide to air	primary_record	species; compartment; stack/fugitive/discharge identity; sample date; laboratory result; detection limit; corresponding gas/water flow; period total; method uncertainty	Use accredited species-specific analysis with corresponding emission flow and temporal coverage; retain monitored totals or transparent validated factors. Keep transferred waste distinct from direct release. For each term, retain its own corresponding constituent assay; selective annual TRI reporting is corroboration, not evidence of inventory completeness or an unreported zero.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_lead_air	site_environment	Lead to air	primary_record	species; compartment; stack/fugitive/discharge identity; sample date; laboratory result; detection limit; corresponding gas/water flow; period total; method uncertainty	Use accredited species-specific analysis with corresponding emission flow and temporal coverage; retain monitored totals or transparent validated factors. Keep transferred waste distinct from direct release. For each term, retain its own corresponding constituent assay; selective annual TRI reporting is corroboration, not evidence of inventory completeness or an unreported zero.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_copper_water	site_environment	Copper to freshwater	primary_record	species; compartment; stack/fugitive/discharge identity; sample date; laboratory result; detection limit; corresponding gas/water flow; period total; method uncertainty	Use accredited species-specific analysis with corresponding emission flow and temporal coverage; retain monitored totals or transparent validated factors. Keep transferred waste distinct from direct release. For each term, retain its own corresponding constituent assay; selective annual TRI reporting is corroboration, not evidence of inventory completeness or an unreported zero.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_corrugated_box	delivered_gate	Corrugated cardboard transport box	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_steel_strapping	delivered_gate	Steel transport strapping	primary_record	single exchange identity; provider; grade/delivery state; quantity; original unit; conversion evidence; reporting period; opening/closing stock; allocation driver; provider coverage	Reconcile actual meter, delivery and stock records for this single exchange; verify provider gate, geography/year and allocation. Transport uses actual consignment mass and distance.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty
cp_accepted_article	delivered_gate	Accepted delivered munition article	primary_record	family; delivery state; acceptance lot; reporting period; calibrated net accepted mass; packaging tare; rejects; opening and closing stock	Use calibrated weighing or traceable weighing records for accepted articles of the declared family/state, excluding transport packaging; reconcile acceptance and stock records.	kg	each record; period reconciliation	same declared reporting period	declared factory and linked supplier gates	per 1 kg reference flow	calibration; traceability; source record; coverage; uncertainty

Raw reporting-period totals remain in supporting records. For each applicable row, reconcile stock consumption and assigned shared services, then divide by D; cp_accepted_article establishes the same denominator for every row. Absent conditional flows require documented not_applicable; zero requires measurement evidence and unknown remains a data gap.

EPA TRI records corroborate selected annual chemical releases, transfers and waste reporting. They are selective reporting data, not a complete factory LCI: reporting eligibility, chemical lists, thresholds, period coverage and aggregation differ from this inventory. An unreported exchange is unknown until site evidence establishes its amount or documented absence, never automatically zero.

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
normalize_period	all inventory rows	For each applicable atomic exchange, divide the reconciled attributable reporting-period total by same-period accepted net product mass D. Record allocation and conversions separately; the reference output is 1 kg.	period exchange total; D; cp_accepted_article	normalized exchange
generic_mass_closure	site_environment	Reconcile external mass inputs and opening stocks with accepted output, rejects, waste, identified emissions and closing stocks using consistent wet/dry and constituent definitions. Include reaction-related external mass where relevant; paired internal transfers cancel. Explain residual discrepancy against measurement uncertainty without inventing a universal tolerance.	reconciled external mass records; stocks; assays	documented mass closure
species_release	lead_air; copper_water	Multiply the measured concentration of the named species by the corresponding sampled release quantity with documented units and coverage; sum same-species same-compartment observations and normalize with D. Do not convert gross mixture mass into constituent mass without matching assay.	laboratory concentration; corresponding flow; period; D	species mass per reference flow	epa-tri-reporting
water_closure	purchased_water; metal_sludge; offsite_effluent	Reconcile same-period external water input, input moisture, opening water stocks and actual reaction-related water with closing water stocks, measured discharge, actual evaporation, retained product moisture and water in wet wastes. Verify paired water/condensate returns at their actual external gates and cancel internal recirculation transfers. Convert volume using documented state-appropriate density with units; propagate meter, assay, density and stock uncertainty into the residual assessment. Do not assign residual loss automatically to evaporation or invent a tolerance.	water meters; input/product/waste moisture assays; water stocks; actual reaction water evidence; discharge and evaporation evidence; returns; density and uncertainty	documented water closure
contained_species_closure	empty_brass_case; unfilled_steel_casing; brass_scrap; metal_sludge; lead_air; copper_water; accepted_article	For each identified conserved metal, reconcile its contained mass on EACH product, input, scrap, sludge, stock and release term using that term's own matching assay and wet/dry basis. Include opening/closing stocks, paired internal transfers and actual additional input/output terms; track species transformations separately from elemental conservation. Do not multiply all terms by one common alloy or sludge assay, and do not equate gross carrier mass with constituent mass.	individually matched assays; carrier masses; opening/closing stocks; constituent/species definitions; environmental interface register	documented contained-metal and species reconciliation
utility_reconciliation	grid_electricity; purchased_steam; natural_gas; diesel; fossil_co2; carbon_monoxide; nitrogen_dioxide	Reconcile each actual energy carrier separately: external imports plus measured on-site generation and opening stored energy against allocated measured site demand, exports, measured closing stored energy and evidenced losses. Record conversions and meter uncertainty; do not infer unidentified carriers or losses from a residual. An internally generated electricity/heat service and its generating fuel cannot both enter as independent external purchased supplies. The generating fuel's upstream provider burden and site releases are counted once; purchased heat/electricity provider burdens stay upstream.	import/generation/export/demand meters; storage records; carrier-specific conversions; loss evidence; provider coverage; allocation and uncertainty	carrier-specific utility residual and no-duplication assessment
steam_energy_interface	purchased_steam	Prefer verified measured delivered MJ. Otherwise multiply measured steam mass in kg by specific enthalpy difference in MJ/kg at the actual supplied state and declared common energy reference; subtract measured condensate-return mass times its own enthalpy difference using the same reference. kg × MJ/kg = MJ. Document actual supplied/return state, provider boundary, calorimetric/thermodynamic source, mass meters and uncertainty. Do not prescribe steam operating settings or duplicate supplier fuel and stack emissions.	measured steam/condensate masses; state-specific enthalpy evidence; common reference; provider gate and uncertainty	net delivered purchased-steam MJ for normalization

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
identity	all rows	Verify delivered-state/type, unit/property, provider and geography before selecting any UUID; unresolved identity remains a candidate gap.	direct-read identity and supplier records
coverage	all processes	Document actual make/buy gates and every material/service/waste/species; independently review confidential supporting environmental evidence. An inaccessible essential interface makes the dataset incomplete.	environmental interface register and reviewer coverage statement
period	all protocols	Use consistent period, output family/state and allocation driver; reconcile meters, stocks, acceptance and invoices. Quantify uncertainty, missing periods and detection limits.	calibration, laboratory QA and audit records
ranges	all rows	No verified independent boundary-compatible empirical range exists here. Collect foreground data; do not replace gaps with recipe-based estimates or universal mass/energy/emission factors.	site records and explicit uncertainty

9. Validation Rules

rule_id	Applies to	Rule	source_ids
validation_reference	accepted_article	Require one family and delivery state, positive accepted net denominator D, packaging separation and complete qualifiers; category UUID gap remains disclosed.	un-cpc3-2025
validation_boundary	all processes	Check make/buy coverage, supplier burdens once and no internal-transfer duplication; separate later use/remediation and external waste treatment from direct environmental releases.	epa-munitions-environment; epa-tri-reporting
validation_species	all emissions and wastes	Validate species, compartment, assay basis, reporting-period coverage and nondetect treatment. CO and NO2 require independent species evidence; transferred waste and retained sludge are not direct releases.	epa-tri-reporting
validation_completeness	all exchanges	Any unreviewable essential supplier/site interface, unknown quantity or incompatible UUID yields incomplete dataset coverage. Passing finite normalization checks does not prove all production burdens are covered or that publication gates are satisfied.
validation_closures	all exchanges	Require water closure including moisture, stocks, reaction water, evaporation, discharge, wet wastes and paired returns; contained-species reconciliation with a matched assay on EACH term; carrier-specific utility imports/generation/exports/storage reconciliation; and a verified steam energy/condensate interface. Assess residuals using documented measurement uncertainty; no blanket tolerance, common assay, assumed loss or unreported-zero rule.

10. Published Dataset Profile

Field	Value
dataset_role	foreground_dataset
downstream_use	secondary_dataset; background_dataset
allowed_use	Declared-family factory-gate environmental inventory and downstream process/lifecyclemodel projection with preserved boundaries.
excluded_use	Manufacturing instructions; performance comparison across families; operational design; undisclosed complete LCA claims; use/range/remediation estimates without separate evidence.
required_metadata	Reference qualifiers; period and site; reporting gates; supplier dataset coverage; environmental interfaces; allocation; units/conversions; confidentiality; omitted life stages.
required_quality_disclosure	Unresolved flow identities; no empirical defaults; sampling/detection limits; confidential-interface review coverage; quantitative and boundary gaps; representativeness and uncertainty.
update_trigger	Changed family/delivery state, make/buy gates, provider geography/year, environmental controls, inventory evidence or accepted identity.

11. Data Sources

Source id	Type	Reference	Used for
un-cpc3-2025	official_guidance	UN Statistics Division, CPC Version 3.0 Explanatory Notes, 30 June 2025, p.239; https://unstats.un.org/unsd/classifications/Econ/Download/In%20Text/CPC_Ver_3.0_Exp_Notes_30Jun2025.pdf	Classification boundaries only; no production recipe or empirical factor.
epa-munitions-environment	official_guidance	US EPA, Military Munitions/Unexploded Ordnance, Overview; https://www.epa.gov/fedfac/military-munitionsunexploded-ordnance	Counterevidence to treating factory inventory as full life-cycle contamination coverage.
epa-tri-reporting	official_guidance	US EPA, TRI EZ Search, available report categories; https://www.epa.gov/enviro/tri-ez-search	Species/media, direct releases, transfers, waste and reporting-year distinctions; no production factor.
eu-ef-2021	official_guidance	Commission Recommendation (EU) 2021/2279, section4.5 p.87; https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX%3A02021H2279-20211230	General subdivision/expansion/physical-relationship allocation hierarchy.