Edible offal of pigs, fresh, chilled or frozen · Calculation Rules

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
calc_receipt_mass_balance	pig_receipt_and_ante_mortem	Accepted live-pig mass equals measured received live-pig mass minus dead-at-reception and condemned-pig masses, with manure and bedding excluded from animal mass.	received live-pig mass; dead-pig mass; condemned-pig mass	accepted live-pig mass	eu-jrc-sa-bref; eu-pef-2021-2279
calc_slaughter_mass_balance	slaughter_and_organ_recovery	Reconcile accepted live-pig mass with every separately weighed organ, carcass, co-product and waste; investigate and disclose any unaccounted mass before allocation.	accepted live-pig mass; exact organ masses; carcass mass; co-product masses; waste masses	reconciled slaughter mass balance by exact output identity	eu-jrc-sa-bref; eu-pef-2021-2279
calc_organ_preparation_mass_balance	edible_organ_preparation	For the one declared organ, prepared mass equals received recovered-organ mass minus separately recorded trimming rejects and other measured mass loss, with retained moisture or drain change disclosed.	received exact-organ mass; exact-organ trimming waste; measured drain or moisture change	prepared exact-organ mass	eu-jrc-sa-bref; eu-pef-2021-2279
calc_state_conditioning_mass_balance	fresh_state_conditioning; chilled_state_conditioning; frozen_state_conditioning	Within exactly one selected state branch, conforming organ output equals prepared-organ input minus state-specific rejects and measured conditioning mass change; never pool states.	prepared exact-organ mass; state-specific reject mass; measured conditioning mass change	conforming exact-organ mass in the declared state	eu-jrc-sa-bref; eu-pef-2021-2279
calc_combustion_air_emissions	direct on-site combustion emissions	Calculate each named pollutant separately as matched stack concentration times exhaust volume, or as one exact fuel quantity times a disclosed approved factor when measurement is unavailable; allocate only the direct stage share.	pollutant-specific stack records or exact fuel quantity and disclosed factor; stage allocation key	stage-specific mass of one direct air pollutant	eu-jrc-sa-bref; eu-pef-2021-2279
calc_refrigerant_mass_balance	chilled_state_conditioning; frozen_state_conditioning; packaging_storage_and_release	For each exact refrigerant substance, release equals opening charge plus make-up minus recovered mass minus closing charge, adjusted only for documented transfers; R-404A constituent emissions use supplier composition.	opening charge; make-up; recovered mass; closing charge; documented transfers; supplier composition	mass released for one refrigerant substance	eu-jrc-sa-bref; eu-pef-2021-2279
calc_wastewater_pollutant_load	sanitation_and_wastewater_management	For each named pollutant and discharge compartment, load equals matched concentration times discharged effluent volume after unit conversion; subtracting treatment removal is allowed only when matched inlet and outlet records exist.	pollutant concentration; matched effluent volume; unit conversion; discharge compartment	mass of one pollutant discharged to water	eu-jrc-sa-bref; eu-pef-2021-2279
calc_reference_product_normalization	reference product release	Verify one declared organ and exactly one fresh, chilled or frozen branch, subtract packaging mass from gross release mass, then divide all allocated foreground exchanges by conforming net product mass to report exactly 1 kg.	exact organ identity; declared state; gross release mass; packaging mass; allocated foreground exchanges	inventory normalized to 1 kg net conforming reference product	unsd-cpc-21153; eu-pef-2021-2279

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
dq_product_identity	reference product	Retain exact pig organ identity, legal edible status, product form and one market state for every lot.	lot specification; legal release record; organ-state traceability
dq_route_traceability	route start	Retain whether the route starts from accepted live pig or a purchased recovered organ and link the corresponding upstream dataset.	supplier dataset or integrated-slaughter lot link
dq_temporal_coverage	all foreground records	Cover a representative reporting period and disclose shutdowns, seasonal patterns and missing intervals.	dated meter, batch, invoice and production records
dq_meter_quality	mass, water and energy	Use calibrated equipment, retain original units and document shared-meter allocation keys.	calibration certificates; meter map; reconciliation
dq_mass_balance	material transformation	Complete receipt, slaughter when applicable, organ, state and release mass balances by exact identity.	signed balance worksheets; discrepancy investigations
dq_cold_chain	chilled and frozen routes	Retain calibrated temperature-time records, refrigeration equipment identity and service history.	temperature logger files; service certificates
dq_packaging	packaging	Retain product-specific bill of materials, supplier specifications, component masses and packaging waste destinations.	approved BOM; supplier declaration; waste dispatch record
dq_wastewater	wastewater and pollutants	Retain stream source, volume, treatment status, sampling method, laboratory result and discharge compartment.	flow records; laboratory report; chain of custody
dq_allocation	shared and co-product burdens	Retain unallocated totals, direct assignments, allocation key, exact co-product quantities and any economic values used.	allocation worksheet; sales or transfer records; sensitivity disclosure
dq_completeness	LCI coverage	Reconcile material, water, energy, fuel, refrigerant, packaging, product, co-product, waste and emission records; disclose every applicable missing item.	PEF completeness checklist; facility reconciliation
dq_supplier_data	purchased organ and packaging	Record supplier, geography, period, technology, allocation and quality metadata for linked upstream datasets or specifications.	supplier dataset and quality review
dq_change_control	dataset maintenance	Retain versioned changes to organ scope, state, route, technology, refrigerant, packaging, treatment or allocation.	change log; approval record

9. Validation Rules

rule_id	Applies to	Rule	source_ids
validation_reference_identity	reference flow	Require UUID 17a80845-90d9-42a4-8a70-fee47fe2b380, Mass property UUID 93a60a56-a3c8-11da-a746-0800200b9a66, Units of mass UUID 93a60a57-a4c8-11da-a746-0800200c9a66 and unit kg for the reference object.	unsd-cpc-21153
validation_reference_amount	reference amount	Require exactly 1 kg net conforming product and verify that packaging mass is excluded.	eu-pef-2021-2279
validation_single_organ	organ identity	Require exactly one declared pig organ identity and reject any dataset that pools multiple organ identities under the reference amount.	unsd-cpc-21153; eu-pef-2021-2279
validation_single_state	market state	Require exactly one fresh, chilled or frozen branch; reject simultaneous or ambiguous state-branch records.	unsd-cpc-21153; eu-pef-2021-2279
validation_route_exclusivity	production route	Require exactly one route start and reject simultaneous inclusion of purchased recovered-organ input and integrated-slaughter upstream burdens for the same organ mass.	eu-pef-2021-2279
validation_process_map	process coverage	Require detailed inventories for edible_organ_preparation, packaging_storage_and_release and sanitation_and_wastewater_management, plus the applicable route and state processes.	eu-jrc-sa-bref; eu-pef-2021-2279
validation_atomic_selected_flow	inventory identity	Require every Selected flow other than the verified category reference flow to describe one specific exchange; reject collection labels, selector instructions and combined carriers.	eu-pef-2021-2279
validation_uuid_policy	Tiangong identity	Accept only the three verified reference UUIDs in this candidate PCR; require any later non-reference UUID to have an exact hybrid match and direct public state=100 record before insertion.
validation_mass_balance	mass balance	Require reconciled receipt, slaughter when applicable, organ preparation, selected state and release mass balances with investigated discrepancies.	eu-jrc-sa-bref; eu-pef-2021-2279
validation_energy_separation	energy inventory	Require grid electricity, purchased steam, purchased hot water, natural gas, diesel fuel and liquefied petroleum gas to remain separate wherever consumed.	eu-jrc-sa-bref; eu-pef-2021-2279
validation_refrigerant	refrigeration inventory	For chilled, frozen and applicable state-controlled storage, require exact installed refrigerant identity, make-up and substance-specific release balance; reject an unspecified refrigerant total.	eu-jrc-sa-bref; eu-pef-2021-2279
validation_packaging	packaging inventory	Require each used packaging component and each generated packaging-component waste to be separately recorded and reconciled to the product-specific bill of materials.	eu-jrc-sa-bref; eu-pef-2021-2279
validation_wastewater	wastewater inventory	Require each wastewater stream, treatment output and discharged pollutant to be separately recorded, with concentration-volume matching for pollutant loads.	eu-jrc-sa-bref; eu-pef-2021-2279
validation_no_defaults	amount evidence	Reject category default amounts, uncited numeric ranges, modelled estimates and reasoned estimates; require foreground_record or calculated_value backed by a declared protocol.	eu-pef-2021-2279
validation_quality_disclosure	data quality	Require reporting-period coverage, geography, technology, allocation, missing-data, meter, laboratory, refrigerant and supplier-data disclosures before dataset release.	eu-pef-2021-2279

10. Published Dataset Profile

Field	Value
dataset_role	Foreground production dataset for one declared edible pig organ in one declared fresh, chilled or frozen state.
downstream_use	Eligible after review for use as a secondary_dataset or background_dataset in product systems that require the same organ, state, route, geography, technology and period.
allowed_use	Facility-gate modelling of the declared organ-state combination when reference identity, boundary, allocation, collection protocols and quality disclosures are satisfied.
excluded_use	Pooled organs; pooled fresh, chilled and frozen states; pig meat or carcass as the reference product; prepared or preserved organ foods; retail, use or end-of-life modelling; substitution without comparability review.
required_metadata	PCR id; CPC coordinate; exact organ; legal edible status; state; product form; net mass; temperature-time specification; packaging BOM; route start; facility; geography; period; technology; refrigerant; wastewater treatment; allocation; upstream dataset links.
required_quality_disclosure	Completeness; mass-balance reconciliation; meter and scale calibration; temperature coverage; supplier-data quality; laboratory methods; missing data; allocation sensitivity; non-reference UUID gaps; uncertainty and review status.
update_trigger	Change in organ scope, legal edible status, state specification, route start, slaughter allocation, process technology, refrigerant, packaging, sanitation chemistry, wastewater treatment, data period or verified Tiangong identity.

11. Data Sources

Source id	Type	Reference	Used for
unsd-cpc-21153	dataset	United Nations Statistics Division, CPC Version 3.0 retained structure CSV, subclass 21153. https://unstats.un.org/unsd/classifications/Econ/Download/In%20Text/CPC_Ver_3.0_Structure_30Jun2025.csv	Official category title and restriction to pig edible offal in fresh, chilled or frozen states.
eu-jrc-sa-bref	official_guidance	European Commission Joint Research Centre, JRC135916, Best Available Techniques Reference Document for the Slaughterhouses, Animal By-products and/or Edible Co-products Industries. https://doi.org/10.2760/18199	Process decomposition for animal receipt, slaughter, organ recovery, chilling or freezing, storage, cleaning, energy, co-products, wastes, wastewater and direct emissions; no default quantities are imported.
eu-pef-2021-2279	official_guidance	Commission Recommendation (EU) 2021/2279, consolidated Product Environmental Footprint method. https://eur-lex.europa.eu/eli/reco/2021/2279/2021-12-30/eng	Product-specific foreground records, complete LCI coverage, allocation hierarchy, transparency, data quality, calculation and validation requirements.