Other sports footwear, except skating boots

1. Scope and Applicability

This PCR specifies foreground, factory-gate inventory rules for manufacturing other sports footwear except skating boots. It covers product-specific upper preparation, any on-site sole-component forming, lasting and final assembly, finishing, and sales-packaging operations. Purchased materials and components enter as product flows; their upstream production is represented by separately linked background datasets. Distribution, retail, use, maintenance, and end-of-life are outside the foreground boundary.

The rules apply to a real production route and reporting period. A dataset must not substitute a generic footwear recipe for the actual bill of materials, energy carriers, chemicals, packaging, emissions, or wastes. Each exchange is reported atomically. If a listed conditional exchange is absent, the dataset records it as not applicable rather than zero unless zero is directly demonstrated.

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.food-products-beverages-and-tobacco-textiles-apparel-and-leather-products.leather-and-leather-products-footwear.other-sports-footwear-except-skating-boots
classification_refs	CPC 3.0: 29490 — Other sports footwear, except skating boots
covered_products	Finished sports footwear classified to CPC 29490, including sports footwear not assigned to the separate ski-boot, cross-country-ski-footwear, snowboard-boot, tennis-shoe, basketball-shoe, gym-shoe, training-shoe or similar specific classes
excluded_products	Skating boots; ski boots, cross-country ski footwear and snowboard boots; tennis, basketball, gym, training and similar footwear assigned to CPC 2942; non-sports footwear; unfinished footwear components sold separately
representative_product	A saleable pair or batch of other sports footwear whose product mass, construction, size mix, material composition, and manufacturing route are declared
production_route	Purchased materials and components; upper cutting and stitching; conditional on-site sole-component forming; lasting, adhesive application, sole attachment, pressing and finishing; sales packaging
market_state	Finished product, manufactured

3. Reference Flow

Field	Value
What	Finished other sports footwear, except skating boots, with the actual product construction and size mix declared
How much	1 kg net mass of accepted finished footwear, excluding sales and transport packaging
How well	Conforms to the producer's saleable-product specification; rejects and rework are included in the manufacturing inventory and not in the reference output
How long or cycle	One completed manufacturing output over the declared reporting period; no use-life claim is included
reference_flow_link	The quantitative reference is the state-100 Tiangong product flow identified below

Field	Value
Reference amount	1
Reference product flow	Other sports footwear, except skating boots a372c679-9693-4957-aad9-98b6d6b5e435
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	product model or product family; construction; upper material system; sole material system; footwear size range and production-weighted size mix; pair-to-mass conversion; production site; reporting period; included on-site processes; packaging configuration

When constructing a foreground data package, the items listed in Required qualifiers must be declared in dataset metadata, process notes, reference flow comment, product description, or an equivalent data package field. Missing required qualifiers make the reference flow definition incomplete for that data package.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
reference_mass	accepted finished footwear	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	Weigh or calculate the net mass of accepted footwear only; normalize every process result to 1 kg reference output.
packaging_exclusion	sales and transport packaging	Mass	kg	Exclude packaging mass from reference product mass and report every packaging material as a separate product input and waste output.
count_to_mass	pairs, pieces, eyelets, laces and components recorded by count	Mass	kg	Convert counts using a contemporaneous, product-specific mean mass from a documented sample; retain counts and sample observations.
electricity_measurement	purchased or generated electricity	Energy	kWh	Record each electricity supply separately from steam, heat and fuels; allocate shared meters only by documented submetering or a causal operating driver.
steam_and_hot_water	purchased steam and purchased hot water	Energy	MJ	Calculate useful energy from measured mass flow and inlet/outlet state or supplier energy records; do not combine steam and hot water.
fuel_lhv	natural gas and liquefied petroleum gas	Energy	MJ LHV	Convert measured fuel quantity with supplier-period lower-heating-value data and retain original quantities and factors.
solvent_mass_balance	acetone and ethyl acetate	Mass	kg	Reconcile each named solvent separately across purchases, stock change, product/waste retention, recovery and emission.
refrigerant_mass_balance	each refrigerant used by on-site cooling equipment	Mass	kg	Report each chemical separately and calculate leakage from charge, additions, recovery and closing stock; do not report a generic refrigerant flow.

5. System Boundary

The foreground boundary begins when purchased raw materials, compounds, parts, chemicals, packaging, electricity, steam, hot water and fuels enter the manufacturing site. It ends when accepted footwear and its separately inventoried sales packaging leave final packaging. It includes internal rework, rejects, direct air emissions and wastes from the included operations. Capital goods, employee commuting, distribution, retail, use and end-of-life are excluded unless a separate study explicitly extends the boundary and labels that extension.

Boundary Abstraction

Field	Value
declared_starting_condition	Purchased upper materials, sole materials or components, accessories, process chemicals and packaging at the manufacturing-site gate
starting_condition_role	Foreground product inputs linked to appropriate supplier or background datasets
product_classification_scope	CPC 3.0 code 29490 only
recursive_input_rule	If finished CPC 29490 footwear is exceptionally used as an input, record that direct input and link its supplier dataset; do not reproduce its manufacturing inventory inside this dataset.
upstream_dataset_requirement	Link each purchased material, component, electricity supply, fuel, steam or hot-water input to a geographically, temporally and technologically appropriate background dataset.
disclosure	Declare purchased-versus-on-site component manufacture, outsourced operations, cut-off decisions, data gaps and any boundary extension.

rule_id	Applies to	Rule	source_ids
boundary_factory_gate	all foreground processes	Include upper preparation, included on-site sole-component forming, lasting and assembly, finishing, packaging, internal rework, rejects, direct emissions and wastes from receipt of inputs through packaged product.	af-pefcr-2025; krug-2021-footwear-manufacturing
boundary_actual_route	purchased and on-site operations	Model the actual route: omit an on-site forming process only when the corresponding component is purchased and its supplier dataset is linked.	af-pefcr-2025
boundary_atomic_exchanges	all inventory exchanges	Record each material, packaging component, electricity supply, heat carrier, fuel, refrigerant, emission and waste as a separate flow.	eu-pef-2021
boundary_no_downstream_claim	published dataset	Do not infer distribution, use-life, maintenance or end-of-life performance from this factory-gate dataset.	epd-footwear-2024

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
upper_preparation	Upper cutting and stitching	required	Include for every route; adapt material cards to the actual construction without aggregating unlike materials.	Converts upper materials and accessories into stitched uppers.	kg accepted stitched upper output
sole_forming	On-site sole-component forming	conditional	Include only when midsoles, outsoles or other bottom components are formed on site.	Forms declared sole components from named compounds.	kg accepted sole-component output
lasting_assembly	Lasting, bonding and finishing	required	Include actual lasting, adhesive preparation/application, activation, attachment, pressing and finishing operations.	Converts uppers and bottom components into accepted unboxed footwear.	kg accepted unboxed footwear output
final_packaging	Final inspection and packaging	required	Include all actual retail and transport packaging applied at the site.	Produces the reference footwear and separately accounts for packaging.	kg net accepted reference product

Process: Upper cutting and stitching (upper_preparation)

Inputs

Product flows

Finished bovine leather upper material (upper_bovine_leather)

Record finished bovine leather crossing the process boundary for upper parts; determine mass from issue and return records corrected for stock change.

• Selected flow: Finished bovine leather
• Flow property / unit: Mass / kg
• Amount rule: issued mass minus returned usable material, reconciled with cutting offcuts and stitched-upper incorporation
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_upper_materials
• Sources: af-pefcr-2025; ccote-2024-footwear-lca

Polyester upper textile (upper_polyester_textile)

Record the actual polyester textile used for upper, lining or reinforcement separately from leather and foam.

• Selected flow: Polyester textile
• Flow property / unit: Mass / kg
• Amount rule: issued mass minus returned usable material, reconciled with cutting offcuts and stitched-upper incorporation
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_upper_materials
• Sources: af-pefcr-2025

Polyurethane foam padding (upper_pu_foam)

Record flexible polyurethane foam used as upper padding as its own material input.

• Selected flow: Flexible polyurethane foam
• Flow property / unit: Mass / kg
• Amount rule: issued mass minus returned usable material, reconciled with foam offcuts
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_upper_materials
• Sources: af-pefcr-2025

Polyester sewing thread (upper_thread)

Record polyester sewing thread separately from upper textiles and laces.

• Selected flow: Polyester sewing thread
• Flow property / unit: Mass / kg
• Amount rule: issue mass corrected for returned spools and closing stock
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_upper_accessories
• Sources: af-pefcr-2025; krug-2021-footwear-manufacturing

Polyester shoelace (upper_shoelace)

Record finished polyester shoelaces by measured mass; retain pair and piece counts for reconciliation.

• Selected flow: Polyester shoelace
• Flow property / unit: Mass / kg
• Amount rule: accepted piece count multiplied by product-specific sampled mean mass, plus recorded rejects
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_upper_accessories
• Sources: af-pefcr-2025; krug-2021-footwear-manufacturing

Steel eyelet (upper_steel_eyelet)

Record steel eyelets separately from other metal accessories and convert count to measured product-specific mass.

• Selected flow: Steel eyelet
• Flow property / unit: Mass / kg
• Amount rule: installed and rejected eyelet count multiplied by sampled mean mass
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_upper_accessories
• Sources: af-pefcr-2025; krug-2021-footwear-manufacturing

Electricity for cutting and stitching (upper_electricity)

Record electricity for cutting, sewing and associated local extraction as a separate energy input.

• Selected flow: Electricity, medium voltage, at manufacturing site
• Flow property / unit: Energy / kWh
• Amount rule: submetered consumption or causally allocated shared-meter consumption during the reporting period
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_upper_electricity
• Sources: eu-pef-2021; ccote-2024-footwear-lca

Waste flows

Elementary flows

Outputs

Product flows

Accepted stitched upper (stitched_upper_output)

Record accepted stitched uppers transferred to lasting and assembly.

• Selected flow: Stitched sports-footwear upper
• Flow property / unit: Mass / kg
• Amount rule: measured transfer mass of accepted uppers
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_upper_output_waste
• Sources: krug-2021-footwear-manufacturing

Waste flows

Bovine leather cutting offcuts (waste_leather_offcuts)

Record discarded leather cutting offcuts separately from textile and foam wastes.

• Selected flow: Waste finished bovine leather offcuts
• Flow property / unit: Mass / kg
• Amount rule: weighed waste by declared treatment destination
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_upper_output_waste
• Sources: af-pefcr-2025

Polyester textile cutting offcuts (waste_polyester_offcuts)

Record discarded polyester textile cutting offcuts as a separate waste.

• Selected flow: Waste polyester textile offcuts
• Flow property / unit: Mass / kg
• Amount rule: weighed waste by declared treatment destination
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_upper_output_waste
• Sources: af-pefcr-2025

Polyurethane foam offcuts (waste_pu_foam_offcuts)

Record polyurethane foam cutting waste separately from other upper wastes.

• Selected flow: Waste flexible polyurethane foam offcuts
• Flow property / unit: Mass / kg
• Amount rule: weighed waste by declared treatment destination
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted stitched upper output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_upper_output_waste
• Sources: af-pefcr-2025

Elementary flows

Process: On-site sole-component forming (sole_forming)

Inputs

Product flows

Ethylene-vinyl acetate compound (sole_eva_compound)

When EVA components are formed on site, record the named EVA compound separately from rubber and TPU.

• Selected flow: Ethylene-vinyl acetate footwear compound
• Flow property / unit: Mass / kg
• Amount rule: issued mass corrected for stock change and returned reusable compound
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_materials
• Sources: af-pefcr-2025

Natural rubber compound (sole_natural_rubber)

Record natural-rubber compound for on-site outsole forming separately from synthetic rubber.

• Selected flow: Natural rubber footwear compound
• Flow property / unit: Mass / kg
• Amount rule: issued mass corrected for stock change and returned reusable compound
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_materials
• Sources: af-pefcr-2025

Styrene-butadiene rubber compound (sole_sbr_compound)

Record SBR compound as its own material input when used in an on-site formed sole.

• Selected flow: Styrene-butadiene rubber footwear compound
• Flow property / unit: Mass / kg
• Amount rule: issued mass corrected for stock change and returned reusable compound
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_materials
• Sources: af-pefcr-2025

Thermoplastic polyurethane granules (sole_tpu_granules)

Record TPU granules separately from EVA and rubber compounds.

• Selected flow: Thermoplastic polyurethane granules
• Flow property / unit: Mass / kg
• Amount rule: issued mass corrected for stock change and returned reusable granules
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_materials
• Sources: af-pefcr-2025

Electricity for sole forming (sole_electricity)

Record electricity used by forming, moulding, trimming and local auxiliary equipment.

• Selected flow: Electricity, medium voltage, at manufacturing site
• Flow property / unit: Energy / kWh
• Amount rule: submetered or causally allocated reporting-period consumption
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_energy
• Sources: eu-pef-2021; af-pefcr-2025

Purchased steam for sole forming (sole_steam)

Record purchased steam only when it is actually supplied to sole-forming equipment; keep it separate from hot water and fuel.

• Selected flow: Steam, purchased, at manufacturing site
• Flow property / unit: Energy / MJ
• Amount rule: supplier energy record or mass-and-enthalpy calculation
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_sole_energy
• Sources: eu-pef-2021

Natural gas for sole forming (sole_natural_gas)

Record natural gas consumed on site separately from LPG and purchased heat carriers.

• Selected flow: Natural gas, combusted in industrial equipment
• Flow property / unit: Energy / MJ LHV
• Amount rule: measured fuel quantity multiplied by supplier-period lower heating value
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_sole_energy
• Sources: eu-pef-2021

R-134a refrigerant make-up (sole_r134a_makeup)

As an explicit route check, record R-134a make-up separately when R-134a cooling equipment serves the on-site sole-forming process; otherwise mark this card not applicable. Any different refrigerant requires its own chemical-specific card.

• Selected flow: 1,1,1,2-Tetrafluoroethane
• Flow property / unit: Mass / kg
• Amount rule: measured refrigerant added during the reporting period and causally assigned to the included cooling equipment
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_refrigerant

Waste flows

Elementary flows

Outputs

Product flows

Accepted EVA midsole (eva_midsole_output)

Record accepted on-site formed EVA midsoles separately from outsole products.

• Selected flow: Ethylene-vinyl acetate footwear midsole
• Flow property / unit: Mass / kg
• Amount rule: measured accepted transfer mass
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_output_waste
• Sources: af-pefcr-2025

Accepted rubber outsole (rubber_outsole_output)

Record accepted on-site formed rubber outsoles as their own product output.

• Selected flow: Rubber footwear outsole
• Flow property / unit: Mass / kg
• Amount rule: measured accepted transfer mass
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_output_waste
• Sources: af-pefcr-2025

Waste flows

EVA forming scrap (waste_eva_scrap)

Record non-recirculated EVA sprues, flash and rejects by actual treatment destination.

• Selected flow: Waste ethylene-vinyl acetate footwear compound
• Flow property / unit: Mass / kg
• Amount rule: weighed non-recirculated scrap
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_output_waste
• Sources: af-pefcr-2025

Natural rubber forming scrap (waste_natural_rubber_scrap)

Record non-recirculated natural-rubber forming scrap separately from SBR and TPU scrap.

• Selected flow: Waste natural rubber footwear compound
• Flow property / unit: Mass / kg
• Amount rule: weighed non-recirculated scrap
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_output_waste
• Sources: af-pefcr-2025

SBR forming scrap (waste_sbr_scrap)

Record non-recirculated SBR forming scrap as an atomic waste stream.

• Selected flow: Waste styrene-butadiene rubber footwear compound
• Flow property / unit: Mass / kg
• Amount rule: weighed non-recirculated scrap
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_output_waste
• Sources: af-pefcr-2025

TPU forming scrap (waste_tpu_scrap)

Record non-recirculated TPU forming scrap separately from rubber and EVA scrap.

• Selected flow: Waste thermoplastic polyurethane granules
• Flow property / unit: Mass / kg
• Amount rule: weighed non-recirculated scrap
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_sole_output_waste
• Sources: af-pefcr-2025

Elementary flows

Fossil carbon dioxide from natural-gas combustion (sole_co2_natural_gas)

Calculate direct fossil carbon dioxide from the measured natural-gas input using a disclosed jurisdictional factor.

• Selected flow: Carbon dioxide, fossil, to air
• Flow property / unit: Mass / kg
• Amount rule: natural-gas energy multiplied by the disclosed fossil carbon dioxide factor
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_sole_energy
• Sources: eu-pef-2021

R-134a emitted to air (sole_r134a_to_air)

For the same conditional R-134a route, calculate chemical-specific leakage to air from the equipment mass balance; do not combine it with other refrigerants.

• Selected flow: 1,1,1,2-Tetrafluoroethane, to air
• Flow property / unit: Mass / kg
• Amount rule: opening charge plus additions minus closing charge, recovered mass and contained transfer, assigned to the included equipment
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted sole-component output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_sole_refrigerant

Process: Lasting, bonding and finishing (lasting_assembly)

Inputs

Product flows

Stitched sports-footwear upper (assembly_upper)

Record transferred or purchased stitched uppers by actual mass.

• Selected flow: Stitched sports-footwear upper
• Flow property / unit: Mass / kg
• Amount rule: measured mass entering lasting and assembly
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_components
• Sources: krug-2021-footwear-manufacturing

Ethylene-vinyl acetate footwear midsole (assembly_eva_midsole)

Record EVA midsoles separately from rubber outsoles and other bottom components.

• Selected flow: Ethylene-vinyl acetate footwear midsole
• Flow property / unit: Mass / kg
• Amount rule: installed and rejected component mass
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_components
• Sources: af-pefcr-2025

Rubber footwear outsole (assembly_rubber_outsole)

Record rubber outsoles separately from midsoles and sockliners.

• Selected flow: Rubber footwear outsole
• Flow property / unit: Mass / kg
• Amount rule: installed and rejected component mass
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_components
• Sources: af-pefcr-2025

Polyurethane foam sockliner (assembly_pu_sockliner)

Record the polyurethane foam sockliner as a distinct component.

• Selected flow: Polyurethane foam footwear sockliner
• Flow property / unit: Mass / kg
• Amount rule: installed and rejected component mass
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_components
• Sources: af-pefcr-2025; ccote-2024-footwear-lca

Waterborne polyurethane dispersion adhesive (assembly_waterborne_pu_adhesive)

Record waterborne polyurethane dispersion adhesive separately from solvent-borne adhesive and cleaning solvents.

• Selected flow: Waterborne polyurethane dispersion footwear adhesive
• Flow property / unit: Mass / kg
• Amount rule: purchases plus opening stock minus closing stock and returned material
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_chemicals
• Sources: simoes-2024-footwear-adhesive

Solvent-borne polyurethane adhesive (assembly_solvent_pu_adhesive)

Record solvent-borne polyurethane adhesive as its own formulated product input.

• Selected flow: Solvent-borne polyurethane footwear adhesive
• Flow property / unit: Mass / kg
• Amount rule: purchases plus opening stock minus closing stock and returned material
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_chemicals
• Sources: simoes-2024-footwear-adhesive; unido-footwear-environment

Acetone cleaning solvent (assembly_acetone)

Record acetone separately from adhesive formulations and other solvents.

• Selected flow: Acetone
• Flow property / unit: Mass / kg
• Amount rule: purchases plus opening stock minus closing stock, recovered solvent and off-site waste solvent
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_solvents
• Sources: simoes-2024-footwear-adhesive; unido-footwear-environment

Ethyl acetate cleaning or priming solvent (assembly_ethyl_acetate)

Record ethyl acetate separately when used for cleaning, priming or cementing.

• Selected flow: Ethyl acetate
• Flow property / unit: Mass / kg
• Amount rule: purchases plus opening stock minus closing stock, recovered solvent and off-site waste solvent
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_solvents
• Sources: unido-footwear-environment

Electricity for lasting and assembly (assembly_electricity)

Record electricity for lasting, adhesive activation, pressing, extraction and finishing equipment.

• Selected flow: Electricity, medium voltage, at manufacturing site
• Flow property / unit: Energy / kWh
• Amount rule: submetered or causally allocated reporting-period consumption
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_energy
• Sources: eu-pef-2021; krug-2021-footwear-manufacturing; simoes-2024-footwear-adhesive

Purchased hot water for assembly (assembly_hot_water)

Record purchased hot water separately from steam and fuels when it serves cleaning or process heating.

• Selected flow: Hot water, purchased, at manufacturing site
• Flow property / unit: Energy / MJ
• Amount rule: measured mass flow multiplied by measured temperature change and specific heat capacity
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_energy
• Sources: eu-pef-2021

Liquefied petroleum gas for assembly heating (assembly_lpg)

Record LPG separately from natural gas, electricity and purchased heat.

• Selected flow: Liquefied petroleum gas, combusted in industrial equipment
• Flow property / unit: Energy / MJ LHV
• Amount rule: measured LPG quantity multiplied by supplier-period lower heating value
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_energy
• Sources: eu-pef-2021

Waste flows

Elementary flows

Outputs

Product flows

Accepted unboxed footwear (unboxed_footwear_output)

Record accepted footwear transferred to packaging; exclude rejects and packaging mass.

• Selected flow: Other sports footwear, except skating boots, unboxed
• Flow property / unit: Mass / kg
• Amount rule: measured net mass of accepted unboxed footwear
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_output_waste
• Sources: af-pefcr-2025; krug-2021-footwear-manufacturing

Waste flows

Waste polyurethane adhesive (waste_pu_adhesive)

Record uncured and cured polyurethane adhesive waste separately from solvent wastes.

• Selected flow: Waste polyurethane footwear adhesive
• Flow property / unit: Mass / kg
• Amount rule: weighed discarded adhesive by actual treatment destination
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_output_waste
• Sources: simoes-2024-footwear-adhesive

Waste acetone (waste_acetone)

Record acetone sent off site in liquid waste separately from acetone emitted to air.

• Selected flow: Waste acetone
• Flow property / unit: Mass / kg
• Amount rule: weighed or container-volume-derived waste corrected for concentration
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_solvents
• Sources: simoes-2024-footwear-adhesive

Waste ethyl acetate (waste_ethyl_acetate)

Record ethyl acetate sent off site in liquid waste as an atomic waste stream.

• Selected flow: Waste ethyl acetate
• Flow property / unit: Mass / kg
• Amount rule: weighed or container-volume-derived waste corrected for concentration
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_solvents
• Sources: unido-footwear-environment

Rejected finished footwear (waste_rejected_footwear)

Record rejected footwear not returned to internal rework by measured mass and treatment destination.

• Selected flow: Waste rejected sports footwear
• Flow property / unit: Mass / kg
• Amount rule: measured mass of rejects leaving internal rework loop
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly_output_waste
• Sources: af-pefcr-2025; ccote-2024-footwear-lca

Elementary flows

Acetone emitted to air (acetone_to_air)

Calculate or measure acetone released to air after subtracting recovery, waste and retained quantities.

• Selected flow: Acetone, to air
• Flow property / unit: Mass / kg
• Amount rule: chemical-specific mass balance or calibrated emission measurement
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_solvents
• Sources: simoes-2024-footwear-adhesive; unido-footwear-environment

Ethyl acetate emitted to air (ethyl_acetate_to_air)

Calculate or measure ethyl acetate released to air separately from acetone.

• Selected flow: Ethyl acetate, to air
• Flow property / unit: Mass / kg
• Amount rule: chemical-specific mass balance or calibrated emission measurement
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_solvents
• Sources: unido-footwear-environment

Fossil carbon dioxide from LPG combustion (assembly_co2_lpg)

Calculate direct fossil carbon dioxide from measured LPG consumption using a disclosed jurisdictional factor.

• Selected flow: Carbon dioxide, fossil, to air
• Flow property / unit: Mass / kg
• Amount rule: LPG energy multiplied by the disclosed fossil carbon dioxide factor
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg accepted unboxed footwear output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_assembly_energy
• Sources: eu-pef-2021

Process: Final inspection and packaging (final_packaging)

Inputs

Product flows

Accepted unboxed footwear (packaging_unboxed_footwear)

Record accepted unboxed footwear entering final inspection and packaging.

• Selected flow: Other sports footwear, except skating boots, unboxed
• Flow property / unit: Mass / kg
• Amount rule: measured net input mass
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_reference_output
• Sources: af-pefcr-2025

Tissue paper packaging (packaging_tissue_paper)

Record tissue paper separately from boxes, cartons, labels and plastic film.

• Selected flow: Tissue paper for footwear packaging
• Flow property / unit: Mass / kg
• Amount rule: issue mass corrected for stock change and unused returns
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packaging_materials
• Sources: af-pefcr-2025; ccote-2024-footwear-lca

Paperboard retail footwear box (packaging_retail_box)

Record the retail paperboard box as its own packaging input.

• Selected flow: Paperboard retail footwear box
• Flow property / unit: Mass / kg
• Amount rule: box count multiplied by product-specific sampled mean mass, including damaged boxes
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_packaging_materials
• Sources: af-pefcr-2025; ccote-2024-footwear-lca

Corrugated transport carton (packaging_corrugated_carton)

Record corrugated cartons separately from retail boxes.

• Selected flow: Corrugated board transport carton
• Flow property / unit: Mass / kg
• Amount rule: carton count multiplied by sampled mean mass, including damaged cartons
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_packaging_materials
• Sources: af-pefcr-2025; ccote-2024-footwear-lca

Low-density polyethylene packaging bag (packaging_ldpe_bag)

Record each LDPE bag or film wrap separately from paper packaging.

• Selected flow: Low-density polyethylene footwear packaging bag
• Flow property / unit: Mass / kg
• Amount rule: bag count multiplied by sampled mean mass, including damaged bags
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_packaging_materials
• Sources: af-pefcr-2025

Paper product label (packaging_paper_label)

Record paper labels separately from tissue paper and boxes.

• Selected flow: Paper footwear product label
• Flow property / unit: Mass / kg
• Amount rule: label count multiplied by sampled mean mass, including damaged labels
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_packaging_materials
• Sources: af-pefcr-2025

Electricity for final inspection and packaging (packaging_electricity)

Record electricity used by final inspection, labelling, packing and local conveyors.

• Selected flow: Electricity, medium voltage, at manufacturing site
• Flow property / unit: Energy / kWh
• Amount rule: submetered or causally allocated reporting-period consumption
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packaging_energy
• Sources: eu-pef-2021

Waste flows

Elementary flows

Outputs

Product flows

Reference other sports footwear (reference_footwear_output)

Record the accepted net footwear mass as the quantitative reference; packaging mass remains separate.

• Selected flow: Other sports footwear, except skating boots a372c679-9693-4957-aad9-98b6d6b5e435
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: exactly 1 kg after normalization from measured accepted net product mass
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_reference_output

Waste flows

Waste tissue paper packaging (waste_tissue_paper)

Record discarded tissue paper separately from other packaging wastes.

• Selected flow: Waste tissue paper packaging
• Flow property / unit: Mass / kg
• Amount rule: weighed waste by treatment destination
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packaging_waste
• Sources: af-pefcr-2025

Waste paperboard retail footwear box (waste_retail_box)

Record damaged or discarded retail boxes separately from corrugated cartons.

• Selected flow: Waste paperboard retail footwear box
• Flow property / unit: Mass / kg
• Amount rule: weighed waste by treatment destination
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packaging_waste
• Sources: af-pefcr-2025

Waste corrugated transport carton (waste_corrugated_carton)

Record discarded corrugated cartons as an atomic packaging waste.

• Selected flow: Waste corrugated board transport carton
• Flow property / unit: Mass / kg
• Amount rule: weighed waste by treatment destination
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packaging_waste
• Sources: af-pefcr-2025

Waste low-density polyethylene packaging film (waste_ldpe_film)

Record discarded LDPE bags and film separately from paper wastes.

• Selected flow: Waste low-density polyethylene packaging film
• Flow property / unit: Mass / kg
• Amount rule: weighed waste by treatment destination
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packaging_waste
• Sources: af-pefcr-2025

Waste paper product label (waste_paper_label)

Record discarded paper labels separately from other paper packaging.

• Selected flow: Waste paper footwear product label
• Flow property / unit: Mass / kg
• Amount rule: weighed waste by treatment destination
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net accepted reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packaging_waste
• Sources: af-pefcr-2025

Elementary flows

7. Allocation and Co-product Handling

Subdivision and direct measurement are required before allocation. Internal rework remains inside its originating process and is not a co-product. Waste or scrap leaving the system is not credited unless it has a documented destination and an economically valuable secondary-product function; any such case must disclose the quantity, destination, substituted function and allocation method.

rule_id	Applies to	Rule	source_ids
allocation_avoid	all shared operations	First subdivide processes or use direct metering and product-specific issue records to avoid allocation.	eu-pef-2021; af-pefcr-2025
allocation_causal	shared electricity, heat, fuel, chemicals and waste	If subdivision is impossible, allocate each atomic exchange with a documented physical causal driver such as machine time, metered energy, material throughput or accepted mass; do not apply one undifferentiated factor to all exchanges.	eu-pef-2021
allocation_scrap	saleable scrap or secondary outputs	Treat scrap as waste by default. If it performs a documented co-product function and has economic value, disclose it and apply the applicable study hierarchy consistently without double credit.	eu-pef-2021
allocation_rework	internal rework	Return rework inputs, energy and losses to the process that generated them and include them in the accepted-output denominator.	af-pefcr-2025

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_upper_materials	upper_preparation	upper sheet and textile materials	issue/return/stock records	material identity; supplier; lot; opening stock; issues; returns; closing stock; offcuts	reconcile warehouse and cutting-room records	kg	per batch, aggregated monthly	representative 12-month period or complete campaign	each included site	sum by named material and product route	stock reconciliation and signed issue records
cp_upper_accessories	upper_preparation	thread, laces and eyelets	issue records and mass sample	identity; count; issue mass; return; sample size; sample mass	reconcile issues and convert counts from documented samples	kg and count	per batch	same as reference production	each included site	sum by named accessory	sample sheet and calibrated balance record
cp_upper_electricity	upper_preparation	electricity	meter record	meter id; start/end reading; machine hours; products processed	submeter or causally allocate shared meter	kWh	shift or batch	same as reference production	each included site	sum only after route-specific allocation	meter calibration or utility reconciliation
cp_upper_output_waste	upper_preparation	stitched uppers and named wastes	transfer and waste tickets	output mass; reject mass; waste identity; destination	weigh transfers and each waste stream	kg	batch	same as reference production	each included site	sum by output or waste identity and destination	mass-balance reconciliation
cp_sole_materials	sole_forming	named sole compounds	issue/return/stock records	compound identity; lot; opening stock; issue; return; closing stock	reconcile warehouse and forming records	kg	batch	same as reference production	each on-site forming line	sum by named compound	formulation and stock reconciliation
cp_sole_energy	sole_forming	electricity, steam and natural gas	meter and supplier records	carrier identity; meter; quantity; LHV; steam state	direct meter or causal allocation; calculate energy with disclosed factor	kWh or MJ	shift or batch	same as reference production	each on-site forming line	sum separately by carrier	meter, invoice and factor provenance
cp_sole_refrigerant	sole_forming	R-134a make-up and leakage	service and charge records	chemical identity; equipment id; opening charge; additions; recovery; closing charge	equipment-specific refrigerant mass balance	kg	each service event and annual close	same as reference production	each included cooling unit	sum only for R-134a after equipment allocation	service invoice and signed charge log
cp_sole_output_waste	sole_forming	sole components and compound-specific scrap	transfer and waste tickets	component identity; accepted mass; regrind return; discarded mass; destination	weigh accepted components and non-recirculated scrap	kg	batch	same as reference production	each on-site forming line	sum separately by component or compound	forming mass balance
cp_assembly_components	lasting_assembly	upper, midsole, outsole and sockliner	issue and transfer records	component identity; count; mass; rejects	weigh or count with product-specific mass conversion	kg and count	batch	same as reference production	each assembly line	sum by named component	bill-of-material and transfer reconciliation
cp_assembly_chemicals	lasting_assembly	named adhesives	purchase and stock records	formulation; supplier; opening stock; purchases; returns; closing stock; waste	chemical-specific inventory balance	kg	batch and monthly reconciliation	same as reference production	each assembly line	sum by exact formulation	safety data sheet and stock reconciliation
cp_assembly_solvents	lasting_assembly	acetone and ethyl acetate inputs, wastes and air emissions	purchase, stock, waste and emission records	chemical; purchase; stock; recovery; waste mass; concentration; measured emission	separate chemical mass balances or calibrated measurement	kg	monthly	same as reference production	each included site	sum separately for each chemical	closed mass balance and measurement report
cp_assembly_energy	lasting_assembly	electricity, hot water and LPG	meter and supplier records	carrier; meter; quantity; temperatures; LHV; operating driver	direct meter or causal allocation	kWh or MJ	shift or batch	same as reference production	each assembly line	sum separately by carrier	meter, invoice and calculation sheet
cp_assembly_output_waste	lasting_assembly	unboxed footwear, adhesive waste and rejects	inspection, transfer and waste records	accepted mass; rework; reject mass; waste identity; destination	weigh output and wastes; close assembly mass balance	kg	batch	same as reference production	each assembly line	sum by product and named waste	production and disposal records
cp_packaging_materials	final_packaging	named packaging components	issue records and mass samples	packaging identity; count; issue; return; sample size; sample mass	reconcile issues and convert counts to mass	kg and count	batch	same as reference production	each packing line	sum by named packaging component	packaging specification and sample sheet
cp_packaging_energy	final_packaging	electricity	meter record	meter; reading; line hours; products packed	submeter or causal line-hour allocation	kWh	shift	same as reference production	each packing line	sum after product-route allocation	meter reconciliation
cp_packaging_waste	final_packaging	each packaging waste	waste ticket	material identity; mass; destination	weigh each separated waste stream	kg	batch or shift	same as reference production	each packing line	sum by material and destination	disposal or recycling receipt
cp_reference_output	final_packaging	accepted reference footwear	production and mass sample	model; size; pair count; sample mass; reject count; net accepted mass	weigh accepted production or calculate from stratified size-specific mass sample	kg and pair	batch	same as reference production	all included lines and sites	production-weighted size mix; normalize to 1 kg	calibrated balance, sample design and acceptance records

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
calc_material_consumption	every named material and chemical	opening stock + receipts - closing stock - documented return = consumed mass; reconcile consumed mass to product, waste, recovery and emission as applicable	stock, receipt, return, product, waste and emission records	kg consumed per process output	eu-pef-2021; af-pefcr-2025
calc_count_to_mass	counted parts and packaging	total count × product-specific sampled mean mass; stratify by size or specification when mass differs materially	count and mass sample	kg input per process output	af-pefcr-2025
calc_shared_energy	shared electricity and fuels	shared measured quantity × documented causal-driver share; retain denominator and all product shares	meter quantity and causal driver	kWh or MJ by process and product	eu-pef-2021
calc_steam_energy	purchased steam	measured steam mass × delivered enthalpy difference; use supplier energy record when independently metered	mass, pressure/temperature or supplier record	MJ steam	eu-pef-2021
calc_hot_water_energy	purchased hot water	mass × specific heat capacity × measured temperature difference	water mass and inlet/outlet temperature	MJ hot-water energy	eu-pef-2021
calc_fuel_energy	natural gas and LPG	measured quantity × supplier-period lower heating value	fuel quantity and LHV	MJ LHV	eu-pef-2021
calc_solvent_emission	each named solvent	opening stock + purchases - closing stock - recovered mass - off-site waste mass - retained mass = emission, unless calibrated direct measurement replaces the balance	chemical-specific stock, recovery, waste and retention	kg named solvent to air	simoes-2024-footwear-adhesive; unido-footwear-environment
calc_reference_normalization	full foreground system	divide each reconciled exchange by accepted net footwear mass and scale to 1 kg	reconciled exchange and accepted net mass	exchange per 1 kg reference product	af-pefcr-2025

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
dq_identity	product and reference flow	Demonstrate CPC 29490 scope, state-100 reference UUID, model or family, construction, size range and product-weighted size mix.	classification record, product specification and production records
dq_bom_completeness	product inputs	Reconcile the complete actual bill of materials; do not replace unknown constituents with material-family placeholders.	product BOM, purchase specification, issue records and mass balance
dq_route	all processes	Declare purchased versus on-site component production, included lines, outsourced operations and rework loops.	process map, supplier records and site walk-through
dq_temporal	all foreground data	Use a representative continuous 12-month period or a complete campaign and explain abnormal downtime or product-mix changes.	dated meters, stock ledgers and production totals
dq_measurement	mass and energy records	Use calibrated instruments or reconcile supplier invoices and meters; disclose allocation where direct measurement is unavailable.	calibration, invoices, meter reconciliation and calculation sheets
dq_chemical	adhesives, solvents and emissions	Preserve exact formulation or chemical identity and close separate mass balances for acetone and ethyl acetate.	safety data sheets, stock ledger, waste manifest and emission report
dq_waste_destination	each waste flow	Report mass and actual treatment destination separately; do not net recycling receipts against material input.	waste tickets and treatment receipts
dq_background	linked upstream datasets	Document geographic, temporal and technological representativeness for each material, component and energy supply.	dataset metadata and gap assessment
dq_uncertainty	calculated or allocated values	Retain raw observations, factor provenance, sample variability and allocation denominator.	calculation workbook and uncertainty disclosure

9. Validation Rules

rule_id	Applies to	Rule	source_ids
validate_identity	PCR and reference flow	CPC code must be 29490; reference flow UUID must be a372c679-9693-4957-aad9-98b6d6b5e435; flow property must be Mass and reference unit kg.	un-cpc-v3-2025; epd-footwear-2024
validate_scope	product dataset	Reject skating boots and products classified to CPC 2941 or 2942, and reject datasets whose product construction or market state is not declared.	un-cpc-v3-2025
validate_route	process inventory	Require upper preparation, lasting/assembly and packaging; require sole forming only when performed on site and otherwise require linked purchased sole components.	af-pefcr-2025; krug-2021-footwear-manufacturing
validate_atomic_inventory	all exchanges	Reject aggregate utilities, energy-carrier, materials, packaging, emissions or waste rows; each exchange must name one resolvable physical or chemical flow.	eu-pef-2021; af-pefcr-2025
validate_mass_balance	materials and outputs	Require route-level reconciliation of each named material to product, returned stock, internal recirculation, waste and emissions, and reconcile accepted output to the 1 kg reference.	eu-pef-2021; af-pefcr-2025
validate_energy	electricity, steam, hot water and fuels	Require separate measured or calculated quantities and factors for each carrier; reject combined energy rows.	eu-pef-2021
validate_solvents	acetone and ethyl acetate	Require separate input, waste, recovery and air-emission accounting for each used solvent.	simoes-2024-footwear-adhesive; unido-footwear-environment
validate_refrigerants	on-site cooling	If refrigerant make-up or leakage occurs, require a separate chemical-specific input and elementary emission card with a closed mass balance; a generic refrigerant row fails.	eu-pef-2021
validate_packaging	final packaging	Require each actual packaging component and each packaging waste separately, while excluding packaging mass from the reference product.	af-pefcr-2025; ccote-2024-footwear-lca
validate_evidence	foreground records	Require linked collection protocols, raw-record retention, source IDs for externally supported methods, and explicit disclosure of unresolved UUIDs and data gaps.	eu-pef-2021; af-pefcr-2025

10. Published Dataset Profile

Field	Value
dataset_role	Product-specific secondary dataset or background dataset for factory-gate manufacture of CPC 29490 footwear
downstream_use	Foreground package construction and linked process or lifecycle-model projection
allowed_use	Modelling the declared product construction, size mix, site, technology and reporting period; aggregation only after atomic exchanges remain traceable
excluded_use	Claims about other footwear classes; consumer use-life comparisons; distribution or end-of-life claims; substitution of a generic recipe for an undisclosed product route
required_metadata	PCR id and version; CPC 29490; reference UUID; model or family; construction; size mix; net product mass; site and geography; reporting period; included and outsourced processes; packaging configuration; allocation and cut-off disclosures
required_quality_disclosure	BOM and mass-balance completeness; meter and stock-record coverage; calculation factors; allocation drivers; solvent balance; waste destinations; background-data representativeness; unresolved UUIDs and uncertainty
update_trigger	Material change in product construction, supplier route, on-site forming, adhesive or solvent system, energy supply, packaging, site, allocation driver, reporting-period representativeness, CPC scope or Tiangong reference-flow identity

11. Data Sources

Source id	Type	Reference	Used for
un-cpc-v3-2025	official_guidance	United Nations Statistics Division. Central Product Classification (CPC) Version 3.0, Explanatory Notes, subclass 29490. https://unstats.un.org/unsd/classifications/Econ/Download/In%20Text/CPC_Ver_3.0_Exp_Notes_30Jun2025.pdf (retrieved 2026-08-20).	Exact classification title, hierarchy and exclusions
eu-pef-2021	official_guidance	European Commission. Commission Recommendation (EU) 2021/2279 on the use of Environmental Footprint methods. https://eur-lex.europa.eu/eli/reco/2021/2279/2021-12-30/eng (retrieved 2026-08-20).	Product-specific inventory, company-specific data, allocation, data quality and reporting rules
af-pefcr-2025	official_guidance	Apparel and Footwear Product Environmental Footprint Category Rules, version 3.1, 29 April 2025. https://www.carbonfact.com/hubfs/A%26FW_PEFCR_v3.1.pdf (retrieved 2026-08-20); European Commission recognition: https://environment.ec.europa.eu/news/new-eu-rules-measuring-environmental-impact-clothes-and-shoes-2025-06-25_en.	Footwear BOM, component manufacture, assembly, packaging, primary data and quality requirements
epd-footwear-2024	standard	International EPD System. PCR 2024:04 Footwear, version 1.0.0, valid to 2028-06-19. https://www.environdec.com/pcr-library/pcr_edf5de69-f200-455d-3a37-08dba55a27da (retrieved 2026-08-20).	Independent PCR confirmation that CPC 2949 other sports footwear is within footwear scope
ccote-2024-footwear-lca	literature	C. C. Cote et al. “Environmental Impact of Footwear Using Life Cycle Assessment—Case Study of Professional Footwear.” Sustainability 16(14), 6094 (2024). https://doi.org/10.3390/su16146094; full text: https://www.mdpi.com/2071-1050/16/14/6094/html.	Footwear materials, cutting, stitching, injection, packaging, energy, water, emissions and production-waste decomposition; no case values used as defaults or ranges
krug-2021-footwear-manufacturing	literature	S. Krug et al. “Towards footwear manufacturing 4.0: shoe sole robotic grasping in assembling operations.” The International Journal of Advanced Manufacturing Technology (2021). https://doi.org/10.1007/s00170-021-06697-0; full text: https://link.springer.com/article/10.1007/s00170-021-06697-0.	Cutting, stitching, shaping, adhesive application, sole assembly and pressing process sequence
simoes-2024-footwear-adhesive	literature	C. L. Simões et al. “Environmental assessment of an innovative adhesive for the footwear industry: road map for product development.” The International Journal of Life Cycle Assessment (2024). https://doi.org/10.1007/s11367-024-02314-w; full text: https://link.springer.com/article/10.1007/s11367-024-02314-w.	Waterborne and solvent-borne polyurethane adhesive systems, acetone and product-specific adhesive inventory; no case values used as defaults or ranges
unido-footwear-environment	extension_guidance	United Nations Industrial Development Organization. Environmental Aspects of Footwear and Leather Products Manufacture. https://downloads.unido.org/ot/47/88/4788513/20001-_23435.PDF (retrieved 2026-08-20).	Operation-specific solvent use and direct footwear-manufacturing emissions, including acetone and ethyl acetate