Consensus flow list

Identity

Substance
fo-4ec5c05a87990179 ChemicalElement
Source
EF 3.1
Unit
kg
Context
Resource → Ground
CAS
7439-92-1
EC
231-100-4

Context

Dimension
Resource
Media
Ground

Alternative labels

13

Source lists

9
List Version Source flow Name there Why this flow
EF 3.1 fe0acd60-3ddc-11dd-ae5d-0050c2490048 lead The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
bafu 2026-v1 04fa9228-1e83-5741-a8a8-d1775b2b3947 Lead The CAS numbers are the same (7439-92-1); both name the same compartment.
bafu 2026-v1 602bbbd1-6a7b-5318-abe1-01630734b825 Lead, Pb 0.014%, Au 9.7E-4%, Ag 9.7E-4%, Zn 0.63%, Cu 0.38%, In Ore The CAS numbers are the same (7439-92-1); both name the same compartment.
bafu 2026-v1 fa5b3bc0-90ae-5b43-a0e4-485aa5fa915e Lead, Resource Correction The CAS numbers are the same (7439-92-1); both name the same compartment.
ecoinvent 3.12 fbcb9c7a-eea7-4694-ba6c-568e01d28883 Lead A curator's mapping table (ecoinvent-3.11-biosphere-EF-3.1-biosphere) names this flow.
ecoinvent 3.8 2d9f9c6b-8dca-4641-8ff9-53cb8beabd13 Lead, Pb 0.014%, In Mixed Ore, In Ground A curator's mapping table (ecoinvent-3.8-biosphere-EF-3.1-biosphere.json) names this flow.
ecoinvent 3.8 4df0eac4-44bb-46b6-b588-e3513a1ead2f Lead, Pb 3.6E-1%, In Mixed Ore, In Ground A curator's mapping table (ecoinvent-3.8-biosphere-EF-3.1-biosphere.json) names this flow.
ecoinvent 3.8 4f701354-38fd-40b0-8c90-4c1df36ec45a Lead, 5.0% In Sulfide, Pb 3.0%, Zn, Ag, Cd, In, In Ground A curator's mapping table (ecoinvent-3.8-biosphere-EF-3.1-biosphere.json) names this flow.
ecoinvent 3.8 fbcb9c7a-eea7-4694-ba6c-568e01d28883 Lead, In Ground A curator's mapping table (ecoinvent-3.8-biosphere-EF-3.1-biosphere.json) names this flow.

Concept associations

9
Source list Source flow Name there Compartment there Match Conversion
EF 3.1 fe0acd60-3ddc-11dd-ae5d-0050c2490048 lead Resources/Resources from ground/Non-renewable element resources from ground exactMatch
ecoinvent 3.12 fbcb9c7a-eea7-4694-ba6c-568e01d28883 Lead natural resource / in ground exactMatch
ecoinvent 3.8 4f701354-38fd-40b0-8c90-4c1df36ec45a Lead, 5.0% In Sulfide, Pb 3.0%, Zn, Ag, Cd, In, In Ground natural resource / in ground broadMatch
ecoinvent 3.8 2d9f9c6b-8dca-4641-8ff9-53cb8beabd13 Lead, Pb 0.014%, In Mixed Ore, In Ground natural resource / in ground broadMatch
ecoinvent 3.8 4df0eac4-44bb-46b6-b588-e3513a1ead2f Lead, Pb 3.6E-1%, In Mixed Ore, In Ground natural resource / in ground broadMatch
ecoinvent 3.8 fbcb9c7a-eea7-4694-ba6c-568e01d28883 Lead, In Ground natural resource / in ground broadMatch
bafu 2026-v1 04fa9228-1e83-5741-a8a8-d1775b2b3947 Lead resources / in ground closeMatch
bafu 2026-v1 602bbbd1-6a7b-5318-abe1-01630734b825 Lead, Pb 0.014%, Au 9.7E-4%, Ag 9.7E-4%, Zn 0.63%, Cu 0.38%, In Ore resources / in ground closeMatch
bafu 2026-v1 fa5b3bc0-90ae-5b43-a0e4-485aa5fa915e Lead, Resource Correction resources / in ground closeMatch

Characterisation factors

3

Every implementation that says anything about this flow. Published as is what this list did with the row: where more than one implementation states a number and they agree it publishes it as agreed; where only one speaks, as sole; where they disagree it publishes nothing and asks.

Method Implementation Category Place Factor Published as
EF 3.1 European Commission — JRC Resource use, minerals and metals 0.00634
EF 3.1 ecoinvent Centre Resource use, minerals and metals 0.00634
EF 3.1 consensus-flow-list Resource use, minerals and metals 0.00634 agreed

This flow in the difference report

History

The change log and the PROV-O trail (2 consensus changes)

Open the changes page

These are the heaviest sections of this page and the least often read, so the page does not pay for them until you ask.

Full record

Flow JSON
{
  "altLabel": [
    {
      "@value": "Pb",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_27889",
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    },
    {
      "@value": "Pb(0)",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_27889",
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    },
    {
      "@value": "Pbn",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_27889",
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    },
    {
      "@value": "lead metal",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_27889",
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    },
    {
      "@value": "lead(0)",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_27889",
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    },
    {
      "@value": "C.I. Pigment Metal 4",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "consensus_match",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CAS:7439-92-1",
          "https://commonchemistry.cas.org/detail?cas_rn=7439-92-1"
        ],
        "prov:wasDerivedFrom": "common chemistry CAS lookup"
      }
    },
    {
      "@value": "DK-Pb 01",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "consensus_match",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CAS:7439-92-1",
          "https://commonchemistry.cas.org/detail?cas_rn=7439-92-1"
        ],
        "prov:wasDerivedFrom": "common chemistry CAS lookup"
      }
    },
    {
      "@value": "Lead Flake",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "consensus_match",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CAS:7439-92-1",
          "https://commonchemistry.cas.org/detail?cas_rn=7439-92-1"
        ],
        "prov:wasDerivedFrom": "common chemistry CAS lookup"
      }
    },
    {
      "@value": "Lead S 2",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "consensus_match",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CAS:7439-92-1",
          "https://commonchemistry.cas.org/detail?cas_rn=7439-92-1"
        ],
        "prov:wasDerivedFrom": "common chemistry CAS lookup"
      }
    },
    {
      "@value": "Lead element",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "consensus_match",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CAS:7439-92-1",
          "https://commonchemistry.cas.org/detail?cas_rn=7439-92-1"
        ],
        "prov:wasDerivedFrom": "common chemistry CAS lookup"
      }
    },
    {
      "@value": "Lead poisoning",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "consensus_match",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CAS:7439-92-1",
          "https://commonchemistry.cas.org/detail?cas_rn=7439-92-1"
        ],
        "prov:wasDerivedFrom": "common chemistry CAS lookup"
      }
    },
    {
      "@value": "MeSH ID: D007854",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "consensus_match",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CAS:7439-92-1",
          "https://commonchemistry.cas.org/detail?cas_rn=7439-92-1"
        ],
        "prov:wasDerivedFrom": "common chemistry CAS lookup"
      }
    },
    {
      "@value": "Pb-S 100",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "consensus_match",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CAS:7439-92-1",
          "https://commonchemistry.cas.org/detail?cas_rn=7439-92-1"
        ],
        "prov:wasDerivedFrom": "common chemistry CAS lookup"
      }
    }
  ],
  "properties": {
    "https://w3id.org/chemrof/molecular_formula": {
      "@id": "https://w3id.org/chemrof/molecular_formula",
      "@value": [
        "Pb"
      ],
      "attested_by": {
        "Pb": [
          "enrich_references.chebi_semantic",
          "enrich_references.pubchem_semantic",
          "rdkit_post_consensus"
        ]
      },
      "rdfs:label": "Molecular formula",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_27889"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.generalized_empirical_formula"
        },
        {
          "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "CID:5352425"
          ],
          "prov:wasDerivedFrom": "pubchem.props.Molecular Formula"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Pb]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/smiles_string": {
      "@id": "https://w3id.org/chemrof/smiles_string",
      "rdfs:label": "SMILES",
      "@value": [
        "[Pb]"
      ],
      "provenance": [
        {
          "prov:wasGeneratedBy": "opsin_iupac",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "Lead"
          ]
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Pb]"
          ]
        }
      ],
      "attested_by": {
        "[Pb]": [
          "opsin_iupac",
          "rdkit_post_consensus"
        ]
      }
    },
    "https://w3id.org/chemrof/inchi2d_string": {
      "@id": "https://w3id.org/chemrof/inchi2d_string",
      "rdfs:label": "InChI",
      "@value": [
        "InChI=1S/Pb"
      ],
      "provenance": [
        {
          "prov:wasGeneratedBy": "opsin_iupac",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "Lead"
          ]
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Pb]"
          ]
        }
      ],
      "attested_by": {
        "InChI=1S/Pb": [
          "opsin_iupac",
          "rdkit_post_consensus"
        ]
      }
    },
    "https://w3id.org/chemrof/inchi2d_key_string": {
      "@id": "https://w3id.org/chemrof/inchi2d_key_string",
      "@value": [
        "WABPQHHGFIMREM-UHFFFAOYSA-N"
      ],
      "attested_by": {
        "WABPQHHGFIMREM-UHFFFAOYSA-N": [
          "enrich_references.chebi_semantic",
          "enrich_references.pubchem_semantic",
          "rdkit_post_consensus"
        ]
      },
      "rdfs:label": "InChIKey",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_27889"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.inchi_key_string"
        },
        {
          "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "CID:5352425"
          ],
          "prov:wasDerivedFrom": "pubchem.props.InChIKey"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Pb]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/molecular_mass": {
      "@id": "https://w3id.org/chemrof/molecular_mass",
      "@value": [
        207.2
      ],
      "attested_by": {
        "207.2": [
          "enrich_references.chebi_semantic",
          "rdkit_post_consensus"
        ]
      },
      "rdfs:label": "Molecular mass",
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/GM-PER-MOL",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_27889"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.mass"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Pb]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/monoisotopic_mass": {
      "@id": "https://w3id.org/chemrof/monoisotopic_mass",
      "@value": [
        207.97665,
        207.976652
      ],
      "attested_by": {
        "207.97665": [
          "enrich_references.chebi_semantic"
        ],
        "207.976652": [
          "rdkit_post_consensus",
          "rdkit_pre_consensus"
        ]
      },
      "rdfs:label": "Monoisotopic mass",
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/GM-PER-MOL",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_27889"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.monoisotopic_mass"
        },
        {
          "prov:wasGeneratedBy": "rdkit_pre_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Pb]"
          ]
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Pb]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/IUPAC_name": {
      "@id": "https://w3id.org/chemrof/IUPAC_name",
      "rdfs:label": "IUPAC name",
      "@value": [
        "Lead"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "opsin_iupac",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "Lead"
        ]
      },
      "attested_by": {
        "Lead": [
          "opsin_iupac"
        ]
      }
    },
    "https://w3id.org/chemrof/symbol": {
      "rdfs:label": "symbol",
      "@value": [
        "Pb"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "flow_layers.pubchem_element_enrichment",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "https://pubchem.ncbi.nlm.nih.gov/element/82",
          "https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/82/JSON"
        ],
        "prov:wasDerivedFrom": "pubchem.element.symbol"
      }
    },
    "https://w3id.org/chemrof/atomic_number": {
      "rdfs:label": "atomic number",
      "@value": [
        82
      ],
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/NUM",
      "provenance": {
        "prov:wasGeneratedBy": "flow_layers.pubchem_element_enrichment",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "https://pubchem.ncbi.nlm.nih.gov/element/82",
          "https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/82/JSON"
        ],
        "prov:wasDerivedFrom": "pubchem.element.atomic_number"
      }
    },
    "element": {
      "atomic_number": 82,
      "symbol": "Pb",
      "name": "Lead",
      "most_abundant_neutron_number": 122,
      "charge": 0,
      "provenance": {
        "prov:wasGeneratedBy": "flow_layers.pubchem_element_enrichment",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "https://pubchem.ncbi.nlm.nih.gov/element/82",
          "https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/82/JSON"
        ],
        "prov:wasDerivedFrom": "pubchem.periodic_table_record"
      }
    },
    "isotopes": {
      "consensus_matched": [
        {
          "flow_object_id": "fo-35dfc4c164eb199e",
          "pref_label_value": "Lead-210",
          "nuclide": "210Pb",
          "half_life_and_uncertainty": "22.20 y ± 0.22",
          "specific_activity_bq_per_g": "2839420359040.8",
          "chemlin_url": "https://www.chemlin.org/isotope/lead-210"
        }
      ],
      "short_lived_not_in_consensus_count": 94,
      "provenance": {
        "prov:wasGeneratedBy": "flow_layers.pubchem_element_enrichment",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "https://pubchem.ncbi.nlm.nih.gov/element/82",
          "https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/82/JSON"
        ],
        "prov:wasDerivedFrom": "pubchem.element.isotope_decay_and_consensus_kbq_flow_objects"
      }
    },
    "ef31_references": {
      "flow_object_ids": [
        "fo-4ec5c05a87990179"
      ],
      "elementary_flow_ids": [
        "17bd67f8-70bb-49c2-aff2-df9a42b491c9",
        "290550fd-6556-11dd-ad8b-0800200c9a66",
        "4d9a8790-3ddd-11dd-91dc-0050c2490048",
        "4d9a8790-3ddd-11dd-91dd-0050c2490048",
        "4d9a8790-3ddd-11dd-91de-0050c2490048",
        "4d9a8790-3ddd-11dd-91df-0050c2490048",
        "4d9a8790-3ddd-11dd-91e0-0050c2490048",
        "4d9a8790-3ddd-11dd-91e1-0050c2490048",
        "4d9a8790-3ddd-11dd-91e2-0050c2490048",
        "4d9a8790-3ddd-11dd-91e3-0050c2490048",
        "4d9a8790-3ddd-11dd-91e4-0050c2490048",
        "fe0acd60-3ddc-11dd-a97d-0050c2490048",
        "fe0acd60-3ddc-11dd-a97e-0050c2490048",
        "fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "flow_layers.pubchem_element_enrichment",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "ef31.pref_label_element_name_symbol_matches"
      }
    }
  },
  "references": [
    {
      "@id": "https://chem.echa.europa.eu/100.028.273",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://chem.echa.europa.eu/100.131.124",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://chemicalsafety.ilo.org/dyn/icsc/showcard.display?p_card_id=0052",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://commonchemistry.cas.org/detail?cas_rn=7439-92-1",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_xrefs",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_27889"
        ],
        "prov:wasDerivedFrom": "chebi.xrefs_urls"
      }
    },
    {
      "@id": "https://comptox.epa.gov/dashboard/DTXSID2024161",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://comptox.epa.gov/dashboard/DTXSID50274754",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://comptox.epa.gov/dashboard/DTXSID70872438",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://en.wikipedia.org/wiki/Lead",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_xrefs",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_27889"
        ],
        "prov:wasDerivedFrom": "chebi.xrefs_urls"
      }
    },
    {
      "@id": "https://gsrs.ncats.nih.gov/ginas/app/beta/substances/2P299V784P",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://gsrs.ncats.nih.gov/ginas/app/beta/substances/7Y62STE4M2",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://ncithesaurus.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C44396",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://ncithesaurus.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C68261",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://ncithesaurus.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C68263",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://pubchem.ncbi.nlm.nih.gov/compound/5352425",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_compound",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.by_cas[7439-92-1]"
      }
    },
    {
      "@id": "https://pubchem.ncbi.nlm.nih.gov/erg/#3077",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://www.cdc.gov/niosh-rtecs/OF72D288.html",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:27889",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_id_link",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_27889"
        ],
        "prov:wasDerivedFrom": "chebi.id"
      }
    },
    {
      "@id": "https://www.genome.jp/entry/C06696",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_xrefs",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_27889"
        ],
        "prov:wasDerivedFrom": "chebi.xrefs_urls"
      }
    },
    {
      "@id": "https://www.kegg.jp/entry/C06696",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://www.wikidata.org/wiki/Q27882203",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    },
    {
      "@id": "https://www.wikidata.org/wiki/Q708",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:5352425;CAS:7439-92-1"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-92-1]"
      }
    }
  ],
  "prefLabel": [
    {
      "@value": "Lead",
      "@language": "en",
      "@lang": "en",
      "source": {
        "prov:wasGeneratedBy": "flow_layers.pubchem_element_enrichment",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1",
          "PubChem"
        ],
        "prov:wasDerivedFrom": "flow_object.prefLabel.titlecase"
      }
    }
  ],
  "@type": [
    "https://w3id.org/chemrof/ChemicalElement"
  ],
  "http://www.w3.org/2004/02/skos/core#definition": [],
  "uuid": "fe0acd60-3ddc-11dd-ae5d-0050c2490048",
  "identifier": "fe0acd60-3ddc-11dd-ae5d-0050c2490048",
  "source": "EF 3.1",
  "cas_numbers": [
    "7439-92-1"
  ],
  "ec_numbers": [
    "231-100-4"
  ],
  "context": {
    "dimension": "Resource",
    "media": "Ground"
  },
  "synonyms": [],
  "lcia_methods": [
    {
      "method_uuid": "b2ad6494-c78d-11e6-9d9d-cec0c932ce01",
      "name": "Resource use, minerals and metals",
      "methodology": "Environmental Footprint",
      "impact_category": "Abiotic resource depletion",
      "impact_indicator": "Abiotic resource depletion (ADP ultimate reserve)",
      "characterization_factor": 0.00634
    }
  ],
  "unit": "kg",
  "input_datasets": [
    "EF 3.1"
  ],
  "context_iri": "https://vocab.brightway.one/flow-contexts/reso-grou",
  "unit_iri": "https://vocab.brightway.one/units/unit/KiloGM",
  "flow_object_id": "fo-4ec5c05a87990179",
  "concept_associations": [
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ef/3.1/flow/fe0acd60-3ddc-11dd-ae5d-0050c2490048",
        "skos:prefLabel": "lead",
        "context": "Resources/Resources from ground/Non-renewable element resources from ground",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:exactMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "build_concept_associations",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "https://eplca.jrc.ec.europa.eu/permalink/EF3_1/EF-v3.1.zip"
        ]
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ecoinvent/3.12/flow/fbcb9c7a-eea7-4694-ba6c-568e01d28883",
        "skos:prefLabel": "Lead",
        "context": "natural resource / in ground",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:exactMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_ecoinvent",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "ecoinvent:3.12:fbcb9c7a-eea7-4694-ba6c-568e01d28883",
          "Lead",
          "ecoinvent-3.11-biosphere-EF-3.1-biosphere"
        ],
        "prov:wasDerivedFrom": "randonneur_replace_table:prepared_mapping"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ecoinvent/3.8/flow/4f701354-38fd-40b0-8c90-4c1df36ec45a",
        "skos:prefLabel": "Lead, 5.0% In Sulfide, Pb 3.0%, Zn, Ag, Cd, In, In Ground",
        "context": "natural resource / in ground",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:broadMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_ecoinvent",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "ecoinvent:3.8:4f701354-38fd-40b0-8c90-4c1df36ec45a",
          "Lead, 5.0% In Sulfide, Pb 3.0%, Zn, Ag, Cd, In, In Ground",
          "ecoinvent-3.8-biosphere-EF-3.1-biosphere.json"
        ],
        "prov:wasDerivedFrom": "randonneur_replace_table:prepared_mapping"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ecoinvent/3.8/flow/2d9f9c6b-8dca-4641-8ff9-53cb8beabd13",
        "skos:prefLabel": "Lead, Pb 0.014%, In Mixed Ore, In Ground",
        "context": "natural resource / in ground",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:broadMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_ecoinvent",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "ecoinvent:3.8:2d9f9c6b-8dca-4641-8ff9-53cb8beabd13",
          "Lead, Pb 0.014%, In Mixed Ore, In Ground",
          "ecoinvent-3.8-biosphere-EF-3.1-biosphere.json"
        ],
        "prov:wasDerivedFrom": "randonneur_replace_table:prepared_mapping"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ecoinvent/3.8/flow/4df0eac4-44bb-46b6-b588-e3513a1ead2f",
        "skos:prefLabel": "Lead, Pb 3.6E-1%, In Mixed Ore, In Ground",
        "context": "natural resource / in ground",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:broadMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_ecoinvent",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "ecoinvent:3.8:4df0eac4-44bb-46b6-b588-e3513a1ead2f",
          "Lead, Pb 3.6E-1%, In Mixed Ore, In Ground",
          "ecoinvent-3.8-biosphere-EF-3.1-biosphere.json"
        ],
        "prov:wasDerivedFrom": "randonneur_replace_table:prepared_mapping"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ecoinvent/3.8/flow/fbcb9c7a-eea7-4694-ba6c-568e01d28883",
        "skos:prefLabel": "Lead, In Ground",
        "context": "natural resource / in ground",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:broadMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_ecoinvent",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "ecoinvent:3.8:fbcb9c7a-eea7-4694-ba6c-568e01d28883",
          "Lead, In Ground",
          "ecoinvent-3.8-biosphere-EF-3.1-biosphere.json"
        ],
        "prov:wasDerivedFrom": "randonneur_replace_table:prepared_mapping"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/bafu/2026-v1/flow/04fa9228-1e83-5741-a8a8-d1775b2b3947",
        "skos:prefLabel": "Lead",
        "context": "resources / in ground",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_bafu",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "bafu:2026-v1:04fa9228-1e83-5741-a8a8-d1775b2b3947",
          "Lead",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:7439-92-1",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=19",
          "algorithm.selector_reason=exact-context-iri-match",
          "algorithm.score_rule=exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
        ],
        "prov:wasDerivedFrom": "algorithmic_fallback:lookup_order(cas>ec>label);basis(cas:7439-92-1);flow_object_candidates(1);elementary_candidates(19);selector(exact-context-iri-match);exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/bafu/2026-v1/flow/602bbbd1-6a7b-5318-abe1-01630734b825",
        "skos:prefLabel": "Lead, Pb 0.014%, Au 9.7E-4%, Ag 9.7E-4%, Zn 0.63%, Cu 0.38%, In Ore",
        "context": "resources / in ground",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_bafu",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "bafu:2026-v1:602bbbd1-6a7b-5318-abe1-01630734b825",
          "Lead, Pb 0.014%, Au 9.7E-4%, Ag 9.7E-4%, Zn 0.63%, Cu 0.38%, In Ore",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:7439-92-1",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=19",
          "algorithm.selector_reason=exact-context-iri-match",
          "algorithm.score_rule=exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
        ],
        "prov:wasDerivedFrom": "algorithmic_fallback:lookup_order(cas>ec>label);basis(cas:7439-92-1);flow_object_candidates(1);elementary_candidates(19);selector(exact-context-iri-match);exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
      }
    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/bafu/2026-v1/flow/fa5b3bc0-90ae-5b43-a0e4-485aa5fa915e",
        "skos:prefLabel": "Lead, Resource Correction",
        "context": "resources / in ground",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/fe0acd60-3ddc-11dd-ae5d-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_bafu",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "bafu:2026-v1:fa5b3bc0-90ae-5b43-a0e4-485aa5fa915e",
          "Lead, Resource Correction",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:7439-92-1",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=19",
          "algorithm.selector_reason=exact-context-iri-match",
          "algorithm.score_rule=exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
        ],
        "prov:wasDerivedFrom": "algorithmic_fallback:lookup_order(cas>ec>label);basis(cas:7439-92-1);flow_object_candidates(1);elementary_candidates(19);selector(exact-context-iri-match);exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
      }
    }
  ],
  "_sources": {
    "prefLabel": "flow_layers.pubchem_element_enrichment",
    "name": "bootstrap_labels",
    "synonyms": "bootstrap_labels",
    "context": "default_context_mapping",
    "context_iri": "default_context_mapping",
    "unit_iri": "unit_normalization",
    "ec_numbers": "ec_cross_check",
    "properties": "link_flows_to_their_substance",
    "skos_definition": "enrich_references",
    "references": "enrich_references",
    "altLabel": "strip_catalogue_altlabels",
    "cas_match_labels": "consensus_match",
    "concept_associations": "carry_associations_onto_flows",
    "types": "link_flows_to_their_substance"
  },
  "cas_match_labels": {
    "7439-92-1": "exactMatch"
  },
  "_transformed": true,
  "_provided": {
    "name": "lead",
    "synonyms": [
      "82Pb",
      "AC1NS2BE",
      "Blei",
      "C.I. 77575",
      "C.I. Pigment Metal 4",
      "CI 77575",
      "CI pigment metal 4",
      "Glover",
      "KS-4",
      "LTBB002778",
      "Lead S 2",
      "Lead S2",
      "Lead and compounds (inorganic)",
      "Lead element",
      "Lead flake",
      "Lead ion (1 )",
      "Lead metal",
      "Lead, elemental",
      "Lead, elemental and inorganic compounds",
      "Lead, inorganic",
      "Lead, ion (Pb4+)",
      "Olow",
      "Omaha & grant",
      "Pb(0)",
      "Pb(4+)",
      "Pb-S 100",
      "Plumbum",
      "Rough lead bullion",
      "SSO 1",
      "lead(0)",
      "lead(4+)",
      "lead(4+) ion",
      "lead(IV) cation",
      "plomb",
      "plomo"
    ],
    "context": [
      "Resources",
      "Resources from ground",
      "Non-renewable element resources from ground"
    ],
    "cas_numbers": [
      "7439-92-1"
    ],
    "ec_numbers": [],
    "unit": "kg"
  }
}

Keyboard

?
Show or hide this map
Esc
Close

More as the sections are built.