Polychlorinated Biphenyls
Everything that changed this flow. Back to the flow
08a91e70-3ddc-11dd-97e6-0050c2490048
By field
13 fields| Field | Changes | Written by | Latest note |
|---|---|---|---|
| prefLabel | 2 | bootstrap_labels, normalize_name_case | Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character) |
| altLabel | 1 | consensus_match | group_key=polychlorinatedbiphenyls||dimension=Environmental > media=Ground > geography=Agricultural; cas=1336-36-3; added Common Chemistry CAS names as altLabel: 1,1′-Biphenyl, chloro derivs.; object_uuid=fo-a35d849feab40d64 |
| cas_match_labels | 1 | consensus_match | group_key=polychlorinatedbiphenyls||dimension=Environmental > media=Ground > geography=Agricultural; group_sources=['ec_inventory']; cas_sources={'1336-36-3': ['ec_inventory']}; assigned CAS labels from group consensus; object_uuid=fo-a35d849feab40d64: {'1336-36-3': 'exactMatch'} |
| concept_associations | 1 | carry_associations_onto_flows | associations resolved on the elementary layer |
| context | 1 | default_context_mapping | Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to urban air close to ground |
| context_iri | 1 | default_context_mapping | Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to urban air close to ground |
| ec_numbers | 1 | ec_cross_check | Resolved from EC-inventory: 215-648-1 from CAS 1336-36-3 |
| name | 1 | bootstrap_labels | Purged legacy name field to enforce prefLabel usage |
| references | 1 | enrich_references | Added references with provenance; cas_numbers=['1336-36-3']; matched_chebi_ids=[]; candidate_pubchem_cids=[36231, 249266]; selected_pubchem_cids=[]; formula_similarity_expected=[]; pubchem_selection_rule=curated_cas_then_formula_similarity_then_prefer_chebi_aligned_when_unambiguous_else_keep_all_cas_matches; single_cas_commonchem_link=yes |
| skos_definition | 1 | enrich_references | Merged ChEBI/PubChem definitions into skos:definition |
| synonyms | 1 | bootstrap_labels | Removed legacy synonyms field in favor of structured labels |
| types | 1 | link_flows_to_their_substance | the substance's answer, copied onto its flow |
| unit_iri | 1 | unit_normalization | Unit IRI set from normalization of 'kg' |
Where several steps wrote one field, the last one won — and the log below shows the sequence.
Changes
14| # | Step | Field | From | To | Why |
|---|---|---|---|---|---|
| 7,911 | bootstrap_labels | prefLabel | — | [{"@value":"polychlorinated biphenyls","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAtt… | Bootstrapped prefLabel from legacy name field |
| 7,912 | bootstrap_labels | name | polychlorinated biphenyls | — | Purged legacy name field to enforce prefLabel usage |
| 7,913 | bootstrap_labels | synonyms | ["1,1'-Biphenyl, 3,3',4,4',5,5'-hexachloro-","1,1'-Biphenyl, 3,3',4,4',5,5'-hexachloro- (9CI)","1,2,3-trichloro-5-(3,4,… | [] | Removed legacy synonyms field in favor of structured labels |
| 35,966 | default_context_mapping | context | — | {"dimension":"Environmental","media":"Air","strata":"Ground level","population_density":"Urban (>1000 people/square mil… | Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to urban air close to ground |
| 35,967 | default_context_mapping | context_iri | — | https://vocab.brightway.one/flow-contexts/envi-air-grle-ur10pesq | Mapped from context mapping for source=EF 3.1, source context Emissions > Emissions to air > Emissions to urban air close to ground |
| 215,979 | unit_normalization | unit_iri | — | https://vocab.brightway.one/units/unit/KiloGM | Unit IRI set from normalization of 'kg' |
| 222,957 | normalize_name_case | prefLabel | [{"@value":"polychlorinated biphenyls","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAtt… | [{"@value":"Polychlorinated Biphenyls","@language":"en","source":{"prov:wasGeneratedBy":"bootstrap_labels","prov:wasAtt… | Title-cased words without internal capitals (preserved words with uppercase letters beyond the first character) |
| 226,861 | ec_cross_check | ec_numbers | [] | ["215-648-1"] | Resolved from EC-inventory: 215-648-1 from CAS 1336-36-3 |
| 234,749 | enrich_references | skos_definition | — | [] | Merged ChEBI/PubChem definitions into skos:definition |
| 234,750 | enrich_references | references | [] | [{"@id":"https://commonchemistry.cas.org/detail?cas_rn=1336-36-3","provenance":{"prov:wasGeneratedBy":"enrich_reference… | Added references with provenance; cas_numbers=['1336-36-3']; matched_chebi_ids=[]; candidate_pubchem_cids=[36231, 249266]; selected_pubchem_cids=[]; formula_similarity_expected=[]; pubchem_selection_rule=curated_cas_then_formula_similarity_then_prefer_chebi_aligned_when_unambiguous_else_keep_all_cas_matches; single_cas_commonchem_link=yes |
| 270,802 | consensus_match | altLabel | [] | [{"@value":"1,1′-Biphenyl, chloro derivs.","@language":"en","source":{"prov:wasGeneratedBy":"consensus_match","prov:was… | group_key=polychlorinatedbiphenyls||dimension=Environmental > media=Ground > geography=Agricultural; cas=1336-36-3; added Common Chemistry CAS names as altLabel: 1,1′-Biphenyl, chloro derivs.; object_uuid=fo-a35d849feab40d64 |
| 270,803 | consensus_match | cas_match_labels | — | {"1336-36-3":"exactMatch"} | group_key=polychlorinatedbiphenyls||dimension=Environmental > media=Ground > geography=Agricultural; group_sources=['ec_inventory']; cas_sources={'1336-36-3': ['ec_inventory']}; assigned CAS labels from group consensus; object_uuid=fo-a35d849feab40d64: {'1336-36-3': 'exactMatch'} |
| 299,013 | carry_associations_onto_flows | concept_associations | [] | [{"@type":"xkos:ConceptAssociation","xkos:sourceConcept":{"@id":"https://vocab.brightway.one/ef/3.1/flow/08a91e70-3ddc-… | associations resolved on the elementary layer |
| 397,403 | link_flows_to_their_substance | types | — | ["https://w3id.org/chemrof/ImpreciseChemicalMixture"] | the substance's answer, copied onto its flow |
PROV-O trail
14 activitiesOne activity per change: which version of the flow it consumed, and which it produced. The values are on the change with the same number — stored once, not twice.
| Activity | Field | Agent | Used | Generated |
|---|---|---|---|---|
| ef:activity/change/20260821T1554374006150000/7911 | prefLabel | ef:agent/bootstrap_labels | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v0 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v1 |
| ef:activity/change/20260821T1554374006150000/7912 | name | ef:agent/bootstrap_labels | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v1 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v2 |
| ef:activity/change/20260821T1554374006150000/7913 | synonyms | ef:agent/bootstrap_labels | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v2 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v3 |
| ef:activity/change/20260821T1554374006150000/35966 | context | ef:agent/default_context_mapping | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v3 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v4 |
| ef:activity/change/20260821T1554374006150000/35967 | context_iri | ef:agent/default_context_mapping | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v4 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v5 |
| ef:activity/change/20260821T1554374006150000/215979 | unit_iri | ef:agent/unit_normalization | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v5 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v6 |
| ef:activity/change/20260821T1554374006150000/222957 | prefLabel | ef:agent/normalize_name_case | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v6 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v7 |
| ef:activity/change/20260821T1554374006150000/226861 | ec_numbers | ef:agent/ec_cross_check | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v7 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v8 |
| ef:activity/change/20260821T1554374006150000/234749 | skos_definition | ef:agent/enrich_references | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v8 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v9 |
| ef:activity/change/20260821T1554374006150000/234750 | references | ef:agent/enrich_references | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v9 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v10 |
| ef:activity/change/20260821T1554374006150000/270802 | altLabel | ef:agent/consensus_match | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v10 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v11 |
| ef:activity/change/20260821T1554374006150000/270803 | cas_match_labels | ef:agent/consensus_match | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v11 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v12 |
| ef:activity/change/20260821T1554374006150000/299013 | concept_associations | ef:agent/carry_associations_onto_flows | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v12 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v13 |
| ef:activity/change/20260821T1554374006150000/397403 | types | ef:agent/link_flows_to_their_substance | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v13 | ef:flow/08a91e70-3ddc-11dd-97e6-0050c2490048/v14 |