Other meat and edible offal, fresh, chilled or frozen · Process: Conditional on-site wastewater treatment (onsite_wastewater_treatment)

Process: Conditional on-site wastewater treatment (onsite_wastewater_treatment)

Inputs

Product flows

Wastewater-treatment electricity (wwtp_electricity)

Electricity operates pumps, aeration, separation, and sludge handling.

• Selected flow: Electricity, grid supply
• Flow property / unit: Energy / kWh
• Amount rule: Use the treatment-plant submeter and calculate the lot share from treated volume or pollutant load.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_wwtp_inputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on on-site treatment.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Wastewater-treatment process water (wwtp_process_water)

This input excludes wastewater and reclaimed-water recirculation.

• Selected flow: Process water
• Flow property / unit: Volume / m3
• Amount rule: Record clean water used for reagent preparation or equipment operation.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_inputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on clean-water use.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Calcium hydroxide reagent (wwtp_calcium_hydroxide)

Calcium hydroxide is one pH-control or precipitation reagent.

• Selected flow: Calcium hydroxide
• Flow property / unit: Mass / kg
• Amount rule: Record issued calcium hydroxide mass from treatment stock and dosing records.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_inputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on dosing.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Aluminium sulfate reagent (wwtp_aluminium_sulfate)

Aluminium sulfate is one precipitation reagent.

• Selected flow: Aluminium sulfate
• Flow property / unit: Mass / kg
• Amount rule: Record issued aluminium sulfate mass from treatment stock and dosing records.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_inputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on dosing.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Ferric chloride reagent (wwtp_ferric_chloride)

Ferric chloride is one precipitation reagent.

• Selected flow: Ferric chloride
• Flow property / unit: Mass / kg
• Amount rule: Record issued ferric chloride mass from treatment stock and dosing records.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_inputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on dosing.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Waste flows

Routine wastewater input (wwtp_routine_wastewater_input)

Routine wastewater remains separate from high-organic-load wastewater.

• Selected flow: Routine CPC 21170 processing wastewater
• Flow property / unit: Volume / m3
• Amount rule: Sum metered routine wastewater entering on-site treatment.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_wwtp_inputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on receipt.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

High-load wastewater input (wwtp_high_load_wastewater_input)

High-organic-load wastewater is one distinct treatment input.

• Selected flow: High-organic-load CPC 21170 processing wastewater
• Flow property / unit: Volume / m3
• Amount rule: Sum metered high-organic-load wastewater entering on-site treatment.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_wwtp_inputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on receipt.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Elementary flows

Outputs

Product flows

Reclaimed water (wwtp_reclaimed_water)

Treated water is a product only when quality and destination evidence prove productive reuse.

• Selected flow: Reclaimed process water
• Flow property / unit: Volume / m3
• Amount rule: Record the reclaimed-water meter at transfer to documented productive use.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_outputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on documented reuse.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Waste flows

Treated wastewater to sewer (wwtp_treated_wastewater_to_sewer)

This is a sewer or off-site treatment transfer, not a direct surface-water release.

• Selected flow: Treated CPC 21170 processing wastewater to sewer
• Flow property / unit: Volume / m3
• Amount rule: Record the final sewer-transfer meter after on-site treatment.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_outputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on sewer transfer.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Screening solids (wwtp_screening_solids)

Screening solids are separate from grease skim and sludge.

• Selected flow: CPC 21170 wastewater screening solids
• Flow property / unit: Mass / kg
• Amount rule: Record wet mass removed by screens and sent to waste treatment.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_outputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on screening.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Grease skim (wwtp_grease_skim)

Grease skim is separate from biological and chemical sludge.

• Selected flow: CPC 21170 wastewater grease skim
• Flow property / unit: Mass / kg
• Amount rule: Record wet mass removed by grease separation or flotation.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_outputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on grease separation.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Biological sludge (wwtp_biological_sludge)

Biological sludge is one distinct treatment residue.

• Selected flow: CPC 21170 biological wastewater sludge
• Flow property / unit: Mass / kg
• Amount rule: Record wet mass and measured dry-matter fraction of biological sludge.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_outputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on biological treatment.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Chemical sludge (wwtp_chemical_sludge)

Chemical precipitation sludge is separate from biological sludge.

• Selected flow: CPC 21170 chemical precipitation sludge
• Flow property / unit: Mass / kg
• Amount rule: Record wet mass and measured dry-matter fraction of chemical precipitation sludge.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_wwtp_outputs
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document scale or meter resolution, calibration, missing records, identity error, and lot attribution.
• Applicability: Conditional on chemical precipitation.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Elementary flows

Chemical oxygen demand (wwtp_cod_to_water)

COD is one direct water-release parameter.

• Selected flow: Chemical oxygen demand to surface water
• Flow property / unit: Mass / kg
• Amount rule: Multiply final-effluent volume by temporally matched COD concentration.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_water_discharge
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on direct surface-water discharge.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Five-day biochemical oxygen demand (wwtp_bod5_to_water)

BOD5 is recorded separately from COD.

• Selected flow: Five-day biochemical oxygen demand to surface water
• Flow property / unit: Mass / kg
• Amount rule: Multiply final-effluent volume by temporally matched BOD5 concentration.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_water_discharge
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on direct surface-water discharge.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Total nitrogen (wwtp_total_nitrogen_to_water)

Total nitrogen is one direct water-release parameter.

• Selected flow: Total nitrogen to surface water
• Flow property / unit: Mass / kg
• Amount rule: Multiply final-effluent volume by temporally matched total-nitrogen concentration.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_water_discharge
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on direct surface-water discharge.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Total phosphorus (wwtp_total_phosphorus_to_water)

Total phosphorus is one direct water-release parameter.

• Selected flow: Total phosphorus to surface water
• Flow property / unit: Mass / kg
• Amount rule: Multiply final-effluent volume by temporally matched total-phosphorus concentration.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_water_discharge
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on direct surface-water discharge.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Total suspended solids (wwtp_tss_to_water)

Total suspended solids are separate from oxygen-demand and nutrient parameters.

• Selected flow: Total suspended solids to surface water
• Flow property / unit: Mass / kg
• Amount rule: Multiply final-effluent volume by temporally matched suspended-solids concentration.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_water_discharge
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on direct surface-water discharge.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Treatment ammonia (wwtp_ammonia_to_air)

Ammonia is one direct air release from treatment.

• Selected flow: Ammonia to air
• Flow property / unit: Mass / kg
• Amount rule: Calculate mass from measured treatment exhaust flow and temporally matched ammonia concentration.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_wwtp_air
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on a measured direct release.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

Treatment hydrogen sulfide (wwtp_hydrogen_sulfide_to_air)

Hydrogen sulfide is recorded separately from ammonia.

• Selected flow: Hydrogen sulfide to air
• Flow property / unit: Mass / kg
• Amount rule: Calculate mass from measured treatment exhaust flow and temporally matched hydrogen sulfide concentration.
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg net conforming CPC 21170 product for one declared species-tissue-state variant at the facility gate
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_wwtp_air
• UUID status: Unresolved; the Tiangong flow UUID is intentionally omitted.
• Uncertainty: Document input-record uncertainty, calculation assumptions, factor provenance, identity error, and allocation uncertainty.
• Applicability: Conditional on a measured direct release.
• Sources: ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint

7. Allocation and Co-product Handling

rule_id	Applies to	Rule	source_ids
allocation_avoid	multi-output slaughter and separation	First avoid allocation through subdivision and direct measurement of every named tissue, co-product, utility, and waste.	eu-2021-2279-environmental-footprint
allocation_expand	co-products with additional functions	If subdivision cannot resolve function, investigate transparent system expansion before partitioning burdens.	eu-2021-2279-environmental-footprint
allocation_physical	remaining multi-output process	Use a documented physical relationship reflecting causal input use and output formation when allocation remains necessary.	eu-2021-2279-environmental-footprint
allocation_economic	remaining unresolved relationship	Use economic allocation only when subdivision, system expansion, and a relevant physical relationship are not defensible; disclose sensitivity.	eu-2021-2279-environmental-footprint
allocation_status	each co-product and waste	Establish product or waste status from quality, legal status, and destination evidence before allocation; never assign one quantity to both.	ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint
allocation_reference_variant	reference species-tissue-state variant	Assign the reference product only to the one declared variant; other edible outputs remain separately measured co-products.	eu-2021-2279-environmental-footprint
allocation_waste	waste treatment	Do not credit a waste destination unless the selected LCA method and documented receiving function require it.	eu-2021-2279-environmental-footprint
allocation_capture	upstream production or lawful capture	Keep farming, capture, or hunting burdens in upstream datasets; disclose the upstream method selected.	eu-2021-2279-environmental-footprint
allocation_consistency	all process links	Do not double count species-tissue transfers, alternative heat routes, refrigerant make-up and loss, or wastewater outputs and treatment inputs.	eu-2021-2279-environmental-footprint

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_receiving_inputs	species_receiving	species-specific live animals, electricity, and water	scale ticket; species record; origin record; utility meter	timestamp; lot_id; species_common_name; scientific_name; origin_status; scale_id; gross_mass; tare_mass; meter_id; opening_reading; closing_reading	Link calibrated animal mass and utilities to the lot after inbound transport ends.	kg; kWh; m3	each lot	full study period	receiving and holding area	sum each row_id once; allocate shared utilities by documented activity	scale and meter calibration; species identity; lawful-origin record; meter reconciliation
cp_receiving_outputs	species_receiving	accepted species transfer, excreta, and species-specific wash wastewater	transfer scale; acceptance log; waste scale; drain meter	timestamp; lot_id; row_id; species_common_name; scientific_name; accepted_mass; waste_mass; drain_volume; destination	Measure each species-specific output independently and retain destination evidence.	kg; m3	each lot	full study period	receiving and holding area	sum each row_id once; no cross-species aggregation	calibration; signed acceptance; waste destination; water balance
cp_slaughter_inputs	slaughter_primary_separation	accepted animals, slaughter electricity, and water	transfer scale; electricity meter; water meter	timestamp; lot_id; species_common_name; scientific_name; source_process; mass; meter_id; opening_reading; closing_reading	Link one species-specific accepted transfer and utilities to the slaughter lot.	kg; kWh; m3	each lot	full study period	slaughter line	sum direct records; allocate shared utilities by documented equipment activity	transfer reconciliation; scale and meter calibration; operating log
cp_slaughter_outputs	slaughter_primary_separation	species-tissue intermediates, named co-products, residuals, and wastewater	scale; inspection record; destination record; wastewater meter	timestamp; lot_id; row_id; species_common_name; scientific_name; tissue_identity; legal_status; mass; volume; destination	Weigh each physical output separately and determine product or waste status before aggregation.	kg; m3	each lot	full study period	slaughter and primary-separation area	sum each row_id once; prohibit overlap between product and waste status	scale calibration; inspection; destination evidence; species mass balance
cp_slaughter_air	slaughter_primary_separation	ammonia and hydrogen sulfide direct releases	airflow and concentration monitoring	timestamp; operating_state; exhaust_flow; substance; concentration; method; detection_limit	Match each substance concentration to exhaust flow and slaughter operation.	kg	monitoring campaign and material change	representative operation within study period	slaughter release points	integrate each substance mass flow over applicable operating time	laboratory report; method; instrument calibration
cp_preparation_inputs	meat_offal_preparation	untrimmed species-tissue inputs, electricity, and water	transfer scale; utility meter; preparation log	timestamp; lot_id; species_common_name; scientific_name; tissue_identity; mass; meter_id; opening_reading; closing_reading	Link every species-tissue transfer and utility record to preparation.	kg; kWh; m3	each lot	full study period	meat and offal preparation area	sum each row_id once; allocate shared utilities by documented operation	scale and meter calibration; transfer and preparation records
cp_preparation_outputs	meat_offal_preparation	fresh species-tissue outputs, trimming waste, and wash wastewater	product scale; reject scale; inspection record; drain meter	timestamp; lot_id; row_id; species_common_name; scientific_name; tissue_identity; accepted_mass; rejected_mass; volume; destination	Measure accepted product, trimming waste, and wastewater independently.	kg; m3	each lot	full study period	meat and offal preparation area	sum each row_id once; reconcile each tissue input to outputs	scale calibration; inspection; destination; mass and water balance
cp_conditioning_products	state_conditioning	fresh inputs and chilled or frozen outputs	transfer scale; temperature record; state release	timestamp; lot_id; row_id; species_common_name; scientific_name; tissue_identity; market_state; mass; temperature; residence_time	Link every species-tissue input and output to exactly one declared market state.	kg	each lot	full study period	chiller and freezer	sum each state-specific row once; prevent state mixing	scale calibration; temperature log; state release
cp_conditioning_utilities	state_conditioning	chilling electricity, freezing electricity, water, defrost wastewater, and condensate	submeter; water meter; drain meter; operating log	timestamp; lot_id; equipment_id; meter_id; opening_reading; closing_reading; residence_time; occupancy; destination	Measure each cold-system utility and aqueous output separately.	kWh; m3	each lot	full study period	cold-system equipment	sum each row_id once; allocate by measured residence and occupancy	meter calibration; equipment log; water balance
cp_refrigerant_inventory	state_conditioning	R717, R744, and R290 make-up and releases	purchase; cylinder stock; service log; leak record; circuit inventory	date; circuit_id; refrigerant_code; opening_stock; receipts; closing_stock; recovered_mass; transferred_mass; leak_event	Reconcile each refrigerant species and circuit independently.	kg	each service event and annual closure	full study period	cold-system circuits inside boundary	opening stock plus receipts minus closing stock, recovery, and documented transfers	invoice; cylinder weights; service record; leak-detector log
cp_variant_selection	variant_packaging_release	fully specified species-tissue-state inputs	product scale; variant declaration; release record	timestamp; lot_id; species_common_name; scientific_name; tissue_identity; tissue_kind; market_state; net_mass	Measure exactly one fully specified variant for the reference output.	kg	each lot	full study period	packaging and release area	sum exactly one applicable variant row to released net product mass	scale calibration; signed variant declaration; state record
cp_packaging_bom	variant_packaging_release	each named packaging component	product-specific BoM; issue-return record; component count	lot_id; component_identity; issued_mass; returned_mass; count; unit_mass; reuse_cycles	Calculate every named packaging component separately from BoM and stock records.	kg	each lot	full study period	packaging line	sum each component separately; reusable pallets by documented use cycles	approved BoM; stock ledger; unit-mass test; pallet ledger
cp_release_records	variant_packaging_release	packaging electricity, state-specific storage electricity, and reference output	electricity submeter; storage occupancy; release scale; quality record	timestamp; lot_id; species_common_name; scientific_name; tissue_identity; market_state; output_net_mass; meter_reading; storage_duration; release_status	Determine net conforming product mass and stage electricity for the released variant.	kg; kWh	each lot	full study period	packaging, storage, and release area	sum released net product once; exclude packaging mass	scale and meter calibration; signed release; temperature record
cp_packaging_waste	variant_packaging_release	state-specific rejects and each packaging waste	waste scale; reject log; component count	timestamp; lot_id; row_id; species_common_name; scientific_name; tissue_identity; market_state; gross_mass; tare_mass; count; destination	Measure each fully specified reject and each material-specific packaging waste separately.	kg	each lot	full study period	packaging and release area	sum each row_id once; exclude rejects from reference mass	waste ticket; reject record; scale calibration
cp_hygiene_inputs	hygiene_heat_generation	electricity, water, sodium hydroxide, nitric acid, and peracetic acid	submeter; chemical stock and dosing log; sanitation record	timestamp; lot_id; cycle_id; substance; issued_mass; concentration; meter_reading	Assign each measured sanitation resource to the lot and retain chemical identity.	kg; m3; kWh	each sanitation cycle	full study period	foreground sanitation systems	sum each substance separately; allocate shared cycles by time or cleaned area	meter calibration; stock reconciliation; dosing log; sanitation record
cp_heat_carriers	hygiene_heat_generation	purchased steam, purchased hot water, natural gas, diesel, and liquefied petroleum gas	supplier meter; boiler meter; tank and purchase ledger	timestamp; lot_id; carrier_identity; quantity; temperature; pressure; heating_value; meter_id	Record each imported heat carrier or on-site fuel separately and reconcile alternative heat routes.	MJ	each sanitation cycle and monthly closure	full study period	heat systems serving sanitation	convert each carrier with documented properties; prohibit double counting	invoice; calibrated meter; fuel-quality record; boiler log
cp_hygiene_wastewater	hygiene_heat_generation	routine and high-organic-load sanitation wastewater	segregated drain meter; sanitation-cycle log	timestamp; lot_id; stream_identity; opening_reading; closing_reading; destination	Measure routine and high-load sanitation wastewater independently.	m3	each sanitation cycle	full study period	sanitation drains	sum each stream once by destination	drain-meter calibration; flow diagram; transfer record
cp_combustion_releases	hygiene_heat_generation	each named direct combustion release	fuel meter; direct monitoring; verified equipment factor	timestamp; equipment_id; fuel_identity; fuel_quantity; substance; concentration_or_factor; factor_source	Determine each substance release from direct measurement or a verified factor applied to measured fuel.	kg	monitoring campaign and reporting period	full study period	on-site combustion equipment	calculate each substance separately; exclude upstream purchased heat	monitoring report; fuel record; factor provenance; calculation review
cp_wwtp_inputs	onsite_wastewater_treatment	wastewater inputs, electricity, water, and each treatment reagent	influent meter; submeter; chemical stock and dosing log	timestamp; lot_id; row_id; stream_or_substance; meter_reading; issued_mass; concentration; treated_volume	Measure every wastewater stream and reagent independently at the treatment boundary.	kg; m3; kWh	daily and each lot allocation	full study period	on-site wastewater-treatment plant	sum each row_id separately; allocate shared treatment by measured volume or load	meter calibration; chemical reconciliation; treatment log
cp_wwtp_outputs	onsite_wastewater_treatment	reclaimed water, sewer wastewater, screening solids, grease skim, and each sludge	outlet meter; waste scale; destination and quality record	timestamp; row_id; volume; wet_mass; dry_matter; quality_result; destination	Measure each treatment output separately and establish product or waste status.	kg; m3	daily and each dispatch	full study period	on-site wastewater-treatment plant	sum each row_id once; keep reuse, sewer, and residue destinations distinct	meter and scale calibration; laboratory result; dispatch record
cp_water_discharge	onsite_wastewater_treatment	COD, BOD5, total nitrogen, total phosphorus, and total suspended solids releases	final-effluent meter; accredited laboratory analysis	timestamp; sample_id; effluent_volume; parameter; concentration; method; detection_limit	Match each parameter concentration to the same direct-discharge period.	kg	permit monitoring frequency and material change	full study period	final direct-discharge point	effluent volume multiplied by temporally matched concentration for each parameter	laboratory accreditation; chain of custody; meter calibration; calculation review
cp_wwtp_air	onsite_wastewater_treatment	ammonia and hydrogen sulfide direct releases	airflow and concentration monitoring	timestamp; operating_state; exhaust_flow; substance; concentration; method; detection_limit	Match each substance concentration to treatment airflow and operating time.	kg	monitoring campaign and material change	representative operation within study period	wastewater-treatment air-release points	integrate each substance mass flow over applicable operating time	laboratory report; method; instrument calibration

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
calc_reference_normalization	all inventory rows	Divide each lot-attributed exchange by released net conforming reference-product mass.	lot-attributed exchange; released net mass	exchange per 1 kg reference product	eu-2021-2279-environmental-footprint
calc_variant_gate	all species-tissue-state rows	Filter the inventory to one declared scientific species name, one skeletal-meat or organ identity, and one market state before normalization.	species identity; tissue identity; market state; row applicability	one active reference variant	un-cpc-3-0-structure-2025; eu-2021-2279-environmental-footprint
calc_stage_electricity	each stage electricity row	Use a direct submeter or multiply a shared metered total by an auditable equipment activity, residence, or occupancy share.	meter total; activity or occupancy; lot mass	stage electricity per reference flow	eu-2021-2279-environmental-footprint
calc_species_mass_balance	each species lot	Reconcile live mass with all separately measured edible tissues, co-products, residuals, wastewater-associated solids, and stock change.	species-specific input and output masses	species-specific process mass balance	ec-jrc-2024-sa-bref-jrc135916
calc_tissue_mass_balance	each meat or organ route	Reconcile untrimmed tissue with accepted product and tissue-specific trimming waste without forced balancing.	untrimmed mass; accepted mass; reject mass; stock change	tissue-specific mass balance	ec-jrc-2024-sa-bref-jrc135916
calc_refrigerant_loss	each refrigerant species	For each circuit, reconcile opening stock plus receipts against closing stock, recovery, and documented transfers.	opening stock; receipts; closing stock; recovered mass; transfers	species-specific refrigerant loss	ec-jrc-2024-sa-bref-jrc135916
calc_packaging_mass	each packaging component	Use issued mass less returned mass, or count multiplied by verified unit mass; apply documented reuse cycles only to pallets.	issued mass; returned mass; count; unit mass; reuse ledger	component mass per reference flow	eu-2021-2279-environmental-footprint
calc_heat_energy	each heat carrier and on-site fuel	Convert measured carrier quantity using period-matched temperature, pressure, density, or heating value.	measured carrier quantity; carrier properties	MJ per reference flow	eu-2021-2279-environmental-footprint
calc_combustion_release	each direct combustion substance	Use direct measured mass flow or a verified equipment-specific factor applied to measured fuel.	measured fuel; concentration and flow or verified factor	substance mass to air per reference flow	eu-2021-2279-environmental-footprint
calc_wastewater_volume	each wastewater stream	Use a dedicated meter or subtract only documented retained, recovered, or evaporated water from matched metered supply.	stream meter or matched water-balance records	m3 wastewater per reference flow	ec-jrc-2024-sa-bref-jrc135916
calc_water_release	each direct water-release parameter	Multiply measured final-effluent volume by a temporally matched measured concentration and convert units.	effluent volume; parameter concentration; unit conversion	parameter mass to surface water per reference flow	ec-jrc-2024-sa-bref-jrc135916

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
dq_variant_identity	reference product	Use one scientific species identity, one skeletal-meat or named organ identity, and one market state.	signed variant declaration; species record; release record
dq_scope_exclusion	species scope	Prove that the selected animal is an in-scope reptile or non-poultry bird and is not poultry under CPC 2112, 2114, or 21160.	classification review; species identity; origin record
dq_product_specific	reference product and packaging	Use variant-specific net mass, BoM, storage, and release records.	approved specification; BoM; signed release
dq_site_specific	foreground operations	Use company-specific activity data and direct releases for facility-operated processes.	meter; scale; ledger; laboratory; service records
dq_temporal	all foreground rows	Cover a representative production period and disclose shutdowns, maintenance, seasonal operation, and gaps.	coverage statement; gap register; operating calendar
dq_technology	conditioning, heat, and wastewater treatment	Identify actual equipment, refrigerant species, heat route, and treatment configuration.	equipment register; piping diagram; service log; process-flow diagram
dq_species_mass_balance	slaughter and separation	Reconcile one declared species without combining records from another species.	signed species-specific mass balance
dq_tissue_mass_balance	preparation and release	Reconcile each named meat or organ route and investigate residuals.	signed tissue-specific mass balance
dq_meter_reconciliation	utilities and wastewater	Reconcile submeters to facility meters and document every allocation driver.	meter hierarchy; calibration; allocation worksheet
dq_destination	co-products and wastes	Retain destination and legal-status evidence so one physical stream is not both product and waste.	contract; dispatch ticket; acceptance record
dq_uuid	all inventory identities	Use a Tiangong UUID only after exact semantic hybrid search and public state=100 direct-read verification; otherwise keep it absent.	dual-verification evidence or manifest unresolved entry
dq_uncertainty	all inventory rows	Document resolution, calibration, missing-data treatment, factor provenance, and allocation uncertainty without inventing a range.	uncertainty register; calculation review
dq_completeness	full inventory	Demonstrate coverage of species-specific products, utilities, chemicals, packaging, wastes, and direct air and water exchanges.	process-flow diagram; row checklist; reconciliation

9. Validation Rules

rule_id	Applies to	Rule	source_ids
validate_reference_uuid	reference flow	Require Product flow e67d4710-2094-4972-85a2-9e593546ae82, Mass 93a60a56-a3c8-11da-a746-0800200b9a66, Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66, and kg.	un-cpc-3-0-structure-2025
validate_reference_amount	reference output	Require exactly 1 kg net conforming product and exclude packaging mass.	un-cpc-3-0-structure-2025
validate_species_lock	reference qualifier	Require exactly one common and scientific species identity.	un-cpc-3-0-structure-2025; eu-2021-2279-environmental-footprint
validate_tissue_lock	reference qualifier	Require exactly one skeletal-meat or explicitly named edible-organ identity.	un-cpc-3-0-structure-2025; eu-2021-2279-environmental-footprint
validate_state_lock	reference qualifier	Require exactly one of fresh, chilled, or frozen.	un-cpc-3-0-structure-2025
validate_variant_rows	inventory applicability	Require exactly one species-tissue-state input to the release process and prohibit activating any conflicting variant row.	eu-2021-2279-environmental-footprint
validate_scope	species classification	Require an in-scope reptile or non-poultry bird and reject poultry under CPC 2112, 2114, and 21160.	un-cpc-3-0-structure-2025
validate_unlisted_variant	unlisted in-scope species or organ	Add new species- and tissue-specific rows before use; reject reptile, game bird, declared species, other organ, or similar selector labels.	un-cpc-3-0-structure-2025; eu-2021-2279-environmental-footprint
validate_boundary	process coverage	Require every mandatory process and a documented decision for state conditioning and on-site wastewater treatment.	ec-jrc-2024-sa-bref-jrc135916
validate_atomic	inventory rows	Require one physical or chemical exchange per row_id and nonempty description, amount rule, protocol, uncertainty, applicability, and sources.	ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint
validate_selector_free	selected flows	Reject collection labels and selection instructions; keep species products, utilities, fuels, refrigerants, chemicals, packaging, wastes, and releases separate.	eu-2021-2279-environmental-footprint
validate_official_name_exception	reference selected flow	Permit collection words only in the official CPC 21170 reference-flow name; every non-reference Selected flow must be selector-free.	un-cpc-3-0-structure-2025
validate_uuid	inventory UUIDs	Accept a non-reference UUID only after exact semantic hybrid search and public state=100 direct-read verification; otherwise require no UUID.	eu-2021-2279-environmental-footprint
validate_manifest_closure	unresolved UUIDs	Require each UUID-free row_id exactly once in manifest review metadata with candidate identity and rejection reason.	eu-2021-2279-environmental-footprint
validate_value_mode	inventory amounts	Allow only foreground_record or calculated_value backed by collected records; reject unsupported authored quantities and default ranges.	eu-2021-2279-environmental-footprint
validate_species_mass_balance	physical outputs	Reconcile one species-specific live input with all named tissues, co-products, residuals, and stock change without forced balancing.	ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint
validate_tissue_mass_balance	meat and organ routes	Reconcile every selected tissue input, accepted output, trimming waste, and reject without mixing tissues.	ec-jrc-2024-sa-bref-jrc135916
validate_heat_routes	thermal inputs	Prevent duplicate accounting of purchased steam, purchased hot water, and on-site fuel for the same heat.	eu-2021-2279-environmental-footprint
validate_refrigerants	cold system	Identify each actual refrigerant species and circuit; require its own make-up and direct-release row when loss occurs.	ec-jrc-2024-sa-bref-jrc135916
validate_hygiene_chemicals	sanitation	Identify every cleaning and disinfection substance separately from stock and dosing records.	ec-jrc-2024-sa-bref-jrc135916
validate_packaging	packaging	Match each packaging component and material-specific waste to the product BoM and exclude packaging mass from reference mass.	eu-2021-2279-environmental-footprint
validate_destinations	co-products and wastes	Require destination and status evidence and prohibit assigning one physical quantity to both product and waste.	ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint
validate_wastewater	wastewater	Keep routine and high-organic-load wastewater separate and distinguish sewer transfer, direct discharge, and on-site treatment.	ec-jrc-2024-sa-bref-jrc135916
validate_air_releases	direct air releases	Require substance-specific measurement or calculation and factor provenance; reject aggregate combustion or refrigerant-release rows.	ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint
validate_water_releases	direct water releases	Require temporally matched effluent volume and parameter concentration for each direct-discharge row.	ec-jrc-2024-sa-bref-jrc135916
validate_sources	evidence	Use only the listed UN CPC, EC JRC SA BREF, and Commission Recommendation sources; do not treat UUID lookup as amount evidence.	un-cpc-3-0-structure-2025; ec-jrc-2024-sa-bref-jrc135916; eu-2021-2279-environmental-footprint
validate_bilingual	bilingual record	Require identical ordered process_id, direction, flow_type, row_id, UUID, controlled tokens, protocol ids, and source-id sequences in en-US and zh-CN.	eu-2021-2279-environmental-footprint

10. Published Dataset Profile

Field	Value
dataset_role	Facility-specific foreground data package for one CPC 21170 species-tissue-state variant
downstream_use	Construction and validation of TianGong flow, process, lifecyclemodel, and dataset projections
allowed_use	Product-specific modelling when one in-scope species, one skeletal-meat or edible-organ identity, one market state, facility boundary, technology, and collection period are disclosed
excluded_use	Category-default inventory; multi-species product; combined meat and offal; mixed states; poultry CPC 2112, CPC 2114, or CPC 21160; unidentified reptile or game-bird selector
required_metadata	Facility geography; period; production volume; lot; common and scientific species name; origin; meat or organ identity; exact tissue; one market state; net-mass method; process configuration; conditioning technology; storage duration; heat route; refrigerant species; packaging BoM; destinations; wastewater route
required_quality_disclosure	Identity evidence; meter and scale calibration; temporal coverage; missing data; calculation inputs; allocation decisions; species and tissue mass balances; uncertainty; UUID status
update_trigger	Change in classification scope, species, tissue, state, production origin, process configuration, conditioning or storage technology, heat route, refrigerant, packaging BoM, destination, wastewater route, or evidence source

11. Data Sources

source_id	type	reference	used_for
un-cpc-3-0-structure-2025	Dataset (dataset)	United Nations Statistics Division, CPC Ver. 3.0 official page, https://unstats.un.org/unsd/classifications/Econ/CPC; retained raw structure classifications/systems/cpc/3.0/raw/CPC_Ver_3.0_Structure_30Jun2025.csv	Exact CPC 21170 identity; reptile and non-poultry bird meat and edible-offal scope; fresh, chilled, or frozen states; exclusion of poultry CPC 2112, CPC 2114, and CPC 21160
ec-jrc-2024-sa-bref-jrc135916	Official guidance (official_guidance)	European Commission Joint Research Centre, Best Available Techniques Reference Document for the Slaughterhouses, Animal By-products and/or Edible Co-products Industries, JRC135916, 2024, DOI 10.2760/18199, https://publications.jrc.ec.europa.eu/repository/handle/JRC135916	Receiving, slaughter, primary separation, tissue preparation, chilling and freezing, sanitation, utilities, refrigerants, residuals, wastewater, sludge, and direct air and water releases
eu-2021-2279-environmental-footprint	Official guidance (official_guidance)	Commission Recommendation (EU) 2021/2279, consolidated 30 December 2021, https://eur-lex.europa.eu/eli/reco/2021/2279/2021-12-30/eng	Product-specific identity and BoM; company-specific manufacturing data; complete LCI; allocation hierarchy; completeness, transparency, data quality, and verification