Brightway Flows 1.0
GitHub

Identity

Substance
fo-58c05a3ef993d483 Isotope
Source
EF 3.1
Unit
kBq
Context
Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile)
CAS
13981-52-7
EC

Context

Dimension
Environmental
Media
Air
Population density
Rural (<1000 people/square mile)
Strata
Medium stack, <150 meters

Alternative labels

3

Source lists

6
List Version Source flow Name there Why this flow
EF 3.1 08a91e70-3ddc-11dd-97be-0050c2490048 polonium-210 The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
agribalyse 3.2 ba0e4f2f-0f7f-58a4-9097-384cdd9b93f5 Polonium-210 The CAS numbers are the same (13981-52-7); both name the same compartment.
bafu 2026-v1 739d6c78-36f1-54fd-bc92-7503e54f9379 Polonium-210 The CAS numbers are the same (13981-52-7); both name the same compartment.
bafu 2026-v1 949603be-a055-5115-ae92-bfd42d42da89 Polonium-210 The CAS numbers are the same (13981-52-7); both name the same compartment.
ecoinvent 3.12 44dd80c7-9960-4881-8431-939509b81f53 Polonium-210 The CAS numbers are the same (13981-52-7); both name the same compartment.
ecoinvent 3.8 44dd80c7-9960-4881-8431-939509b81f53 Polonium-210 The CAS numbers are the same (13981-52-7); both name the same compartment.

Concept associations

6
Source list Source flow Name there Compartment there Match Conversion
EF 3.1 08a91e70-3ddc-11dd-97be-0050c2490048 polonium-210 Emissions/Emissions to air/Emissions to non-urban air or from high stacks exactMatch
ecoinvent 3.12 44dd80c7-9960-4881-8431-939509b81f53 Polonium-210 air / non-urban air or from high stacks closeMatch
ecoinvent 3.8 44dd80c7-9960-4881-8431-939509b81f53 Polonium-210 air / non-urban air or from high stacks closeMatch
bafu 2026-v1 949603be-a055-5115-ae92-bfd42d42da89 Polonium-210 emissions to air / low. pop. closeMatch
bafu 2026-v1 739d6c78-36f1-54fd-bc92-7503e54f9379 Polonium-210 emissions to air / low. pop. closeMatch
agribalyse 3.2 ba0e4f2f-0f7f-58a4-9097-384cdd9b93f5 Polonium-210 Emissions to air / low. pop. closeMatch

Characterisation factors

5

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 Ionising radiation, human health 0.0714
EF 3.1 ecoinvent Centre Ionising radiation, human health 0.0714
EF 3.1 GreenDelta Ionising radiation, human health 0.0714
EF 3.1 consensus-flow-list Ionising radiation, human health 0.0714 agreed
Stepwise 2006 consensus-flow-list Ionizing radiation 7.142857 carried

This flow in the difference report

History

The change log and the PROV-O trail (1 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": "(210)84Po",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_37340",
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    },
    {
      "@value": "(210)Po",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_37340",
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    },
    {
      "@value": "polonium, isotope of mass 210",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_37340",
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    }
  ],
  "properties": {
    "https://w3id.org/chemrof/molecular_formula": {
      "@id": "https://w3id.org/chemrof/molecular_formula",
      "@value": [
        "Po",
        "[210Po]"
      ],
      "attested_by": {
        "[210Po]": [
          "enrich_references.chebi_semantic"
        ],
        "Po": [
          "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_37340"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.generalized_empirical_formula"
        },
        {
          "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "CID:6328544"
          ],
          "prov:wasDerivedFrom": "pubchem.props.Molecular Formula"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[210Po]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/smiles_string": {
      "@id": "https://w3id.org/chemrof/smiles_string",
      "@value": [
        "[Po]"
      ],
      "attested_by": {
        "[210Po]": [
          "enrich_references.chebi_semantic",
          "enrich_references.pubchem_semantic",
          "rdkit_post_consensus"
        ],
        "[Po]": [
          "enrich_references.pubchem_semantic"
        ]
      },
      "rdfs:label": "SMILES",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_37340"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.smiles_string"
        },
        {
          "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "CID:6328544"
          ],
          "prov:wasDerivedFrom": "pubchem.props.SMILES"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[210Po]"
          ]
        },
        {
          "prov:wasGeneratedBy": "semantic_typing.classify",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[210Po]"
          ],
          "prov:wasDerivedFrom": "smiles_string.stereochemistry_removed"
        }
      ]
    },
    "https://w3id.org/chemrof/inchi2d_string": {
      "@id": "https://w3id.org/chemrof/inchi2d_string",
      "@value": [
        "InChI=1S/Po/i1+1"
      ],
      "attested_by": {
        "InChI=1S/Po/i1+1": [
          "enrich_references.chebi_semantic",
          "enrich_references.pubchem_semantic",
          "rdkit_post_consensus"
        ]
      },
      "rdfs:label": "InChI",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_37340"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.inchi_string"
        },
        {
          "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "CID:6328544"
          ],
          "prov:wasDerivedFrom": "pubchem.props.InChI"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[210Po]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/inchi2d_key_string": {
      "@id": "https://w3id.org/chemrof/inchi2d_key_string",
      "@value": [
        "HZEBHPIOVYHPMT-OUBTZVSYSA-N"
      ],
      "attested_by": {
        "HZEBHPIOVYHPMT-OUBTZVSYSA-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_37340"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.inchi_key_string"
        },
        {
          "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "CID:6328544"
          ],
          "prov:wasDerivedFrom": "pubchem.props.InChIKey"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[210Po]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/molecular_mass": {
      "@id": "https://w3id.org/chemrof/molecular_mass",
      "@value": [
        209.983
      ],
      "attested_by": {
        "209.983": [
          "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_37340"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.mass"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[210Po]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/monoisotopic_mass": {
      "@id": "https://w3id.org/chemrof/monoisotopic_mass",
      "@value": [
        209.98287,
        209.982874
      ],
      "attested_by": {
        "209.98287": [
          "enrich_references.chebi_semantic"
        ],
        "209.982874": [
          "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_37340"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.monoisotopic_mass"
        },
        {
          "prov:wasGeneratedBy": "rdkit_pre_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[210Po]"
          ]
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[210Po]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/elemental_charge": {
      "@id": "https://w3id.org/chemrof/elemental_charge",
      "@value": [
        0
      ],
      "attested_by": {
        "0": [
          "enrich_references.chebi_semantic"
        ]
      },
      "rdfs:label": "Elemental charge",
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/NUM",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_37340"
        ],
        "prov:wasDerivedFrom": "chebi.basic_property_values.charge"
      }
    },
    "https://w3id.org/chemrof/IUPAC_name": {
      "@id": "https://w3id.org/chemrof/IUPAC_name",
      "@value": [
        "polonium-210"
      ],
      "attested_by": {
        "polonium-210": [
          "enrich_references.pubchem_semantic"
        ]
      },
      "rdfs:label": "IUPAC name",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:6328544"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers.IUPAC Name"
      }
    },
    "isotope_lookup": {
      "is_kbq_candidate": true,
      "matched": true,
      "matched_on": "Polonium-210",
      "claimed_nuclide": "Po-210",
      "resolved_nuclide": "Po-210",
      "state_resolution": {
        "claimed_state": "",
        "selected_state": "",
        "strategy": "state_taken_as_written",
        "candidates": []
      },
      "checks": [
        {
          "check": "ground_state_does_not_decay_by_isomeric_transition",
          "passed": true,
          "detail": "α=100%"
        },
        {
          "check": "half_life_sources_agree",
          "passed": true,
          "detail": {
            "pubchem_days": 138.376,
            "chemlin_days": 138.376,
            "ratio": 1.0
          }
        }
      ],
      "reason": "",
      "source": "pubchem_pug_view_annotation_heading",
      "sources": [
        "pubchem_pug_view_annotation_heading",
        "https://www.chemlin.org"
      ],
      "isomer_resolution": {
        "wanted_nuclide": "Po-210",
        "expected_half_life_days": 138.376,
        "attempted_slugs": [
          "210"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/polonium-210"
        ],
        "strategy": "half_life_agrees_with_pubchem",
        "selected_slug": "polonium-210",
        "selected_half_life": "138.376(2) d",
        "selected_half_life_days": 138.376,
        "half_life_ratio_to_pubchem": 1.0,
        "alternates": []
      }
    },
    "relationships": {
      "parent_element_flow_object_id": "fo-5380186418f7577b",
      "relationship_type": "isotope_of"
    },
    "isotope": {
      "nuclide": "210Po",
      "mass_number": 210,
      "atomic_mass_and_uncertainty_u": "209.982873686 ± 0.00000123",
      "half_life_and_uncertainty": "138.376 d ± 0.002",
      "decay_modes": "α=100%",
      "discovery_year": "1898",
      "specific_activity_bq_per_g": "1.6627156090709e+14",
      "specific_activity_bq_per_g_value": 166271560907090.0,
      "half_life_chemlin": "138.376(2) d",
      "chemlin_url": "https://www.chemlin.org/isotope/polonium-210",
      "isomer_resolution": {
        "wanted_nuclide": "Po-210",
        "expected_half_life_days": 138.376,
        "attempted_slugs": [
          "210"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/polonium-210"
        ],
        "strategy": "half_life_agrees_with_pubchem",
        "selected_slug": "polonium-210",
        "selected_half_life": "138.376(2) d",
        "selected_half_life_days": 138.376,
        "half_life_ratio_to_pubchem": 1.0,
        "alternates": []
      },
      "symbol": "Po",
      "isomeric_state": "",
      "metastable": false
    },
    "https://w3id.org/chemrof/nucleon_number": {
      "rdfs:label": "nucleon number",
      "@value": [
        210
      ],
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/NUM",
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.mass_number"
      }
    },
    "https://w3id.org/chemrof/symbol": {
      "rdfs:label": "symbol",
      "@value": [
        "Po"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.symbol"
      }
    },
    "https://w3id.org/chemrof/half_life": {
      "rdfs:label": "half life",
      "@value": [
        0.37885284052019164
      ],
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/YR",
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.half_life_and_uncertainty"
      }
    },
    "https://w3id.org/chemrof/decay_mode": {
      "rdfs:label": "decay mode",
      "@value": [
        "α=100%"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.decay_modes"
      }
    },
    "https://w3id.org/chemrof/isomeric_smiles_string": {
      "rdfs:label": "isomeric smiles string",
      "@value": [
        "[210Po]"
      ],
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_37340"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.smiles_string"
        },
        {
          "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "CID:6328544"
          ],
          "prov:wasDerivedFrom": "pubchem.props.SMILES"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[210Po]"
          ]
        },
        {
          "prov:wasGeneratedBy": "semantic_typing.classify",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:wasDerivedFrom": "smiles_string"
        }
      ]
    },
    "https://w3id.org/chemrof/has_element": {
      "rdfs:label": "has element",
      "@value": [
        {
          "@id": "https://vocab.brightway.dev/flow-objects/fo-5380186418f7577b"
        }
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "relationships.parent_element_flow_object_id"
      }
    }
  },
  "references": [
    {
      "@id": "gmelin:76756",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_xrefs",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_37340"
        ],
        "prov:wasDerivedFrom": "chebi.xrefs_urls"
      }
    },
    {
      "@id": "https://commonchemistry.cas.org/detail?cas_rn=13981-52-7",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_xrefs",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_37340"
        ],
        "prov:wasDerivedFrom": "chebi.xrefs_urls"
      }
    },
    {
      "@id": "https://comptox.epa.gov/dashboard/DTXSID101009345",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:6328544;CAS:13981-52-7"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[13981-52-7]"
      }
    },
    {
      "@id": "https://gsrs.ncats.nih.gov/ginas/app/beta/substances/QJW5366Y3Q",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:6328544;CAS:13981-52-7"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[13981-52-7]"
      }
    },
    {
      "@id": "https://hts.usitc.gov/search?query=2844.42.00.00",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:6328544;CAS:13981-52-7"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[13981-52-7]"
      }
    },
    {
      "@id": "https://pubchem.ncbi.nlm.nih.gov/compound/6328544",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_compound",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:6328544;CAS:13981-52-7"
        ],
        "prov:wasDerivedFrom": "pubchem.by_cas[13981-52-7]"
      }
    },
    {
      "@id": "https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:37340",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_id_link",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_37340"
        ],
        "prov:wasDerivedFrom": "chebi.id"
      }
    },
    {
      "@id": "https://www.wikidata.org/wiki/Q3395430",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:6328544;CAS:13981-52-7"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[13981-52-7]"
      }
    }
  ],
  "prefLabel": [
    {
      "@value": "Polonium-210",
      "@language": "en",
      "source": {
        "prov:wasGeneratedBy": "bootstrap_labels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "legacy name field"
      }
    }
  ],
  "@type": [
    "https://w3id.org/chemrof/Isotope",
    "https://w3id.org/chemrof/Radionuclide"
  ],
  "http://www.w3.org/2004/02/skos/core#definition": [
    {
      "@value": "The radioactive isotope of polonium with relative atomic mass 209.98286 and half-life of 138.376 days; the only naturally occurring isotope of polonium.",
      "@language": "en",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_definition",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_37340"
        ],
        "prov:wasDerivedFrom": "chebi.definition"
      }
    }
  ],
  "uuid": "08a91e70-3ddc-11dd-97be-0050c2490048",
  "identifier": "08a91e70-3ddc-11dd-97be-0050c2490048",
  "source": "EF 3.1",
  "cas_numbers": [
    "13981-52-7"
  ],
  "ec_numbers": [],
  "context": {
    "dimension": "Environmental",
    "media": "Air",
    "strata": "Medium stack, <150 meters",
    "population_density": "Rural (<1000 people/square mile)"
  },
  "synonyms": [],
  "lcia_methods": [
    {
      "method_uuid": "b5c632be-def3-11e6-bf01-fe55135034f3",
      "name": "Ionising radiation, human health",
      "methodology": "Environmental Footprint",
      "impact_category": "Ionizing radiation",
      "impact_indicator": "Human exposure efficiency relative to U235",
      "characterization_factor": 0.0714
    }
  ],
  "unit": "kBq",
  "input_datasets": [
    "EF 3.1"
  ],
  "context_iri": "https://vocab.brightway.one/flow-contexts/envi-air-mest15me-ru10pesq",
  "unit_iri": "https://vocab.brightway.one/units/unit/KiloBQ",
  "flow_object_id": "fo-58c05a3ef993d483",
  "concept_associations": [
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/ef/3.1/flow/08a91e70-3ddc-11dd-97be-0050c2490048",
        "skos:prefLabel": "polonium-210",
        "context": "Emissions/Emissions to air/Emissions to non-urban air or from high stacks",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloBQ"
        },
        "skos:exactMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-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/44dd80c7-9960-4881-8431-939509b81f53",
        "skos:prefLabel": "Polonium-210",
        "context": "air / non-urban air or from high stacks",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloBQ"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_ecoinvent",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "ecoinvent:3.12:44dd80c7-9960-4881-8431-939509b81f53",
          "Polonium-210",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:13981-52-7",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=12",
          "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:13981-52-7);flow_object_candidates(1);elementary_candidates(12);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/ecoinvent/3.8/flow/44dd80c7-9960-4881-8431-939509b81f53",
        "skos:prefLabel": "Polonium-210",
        "context": "air / non-urban air or from high stacks",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloBQ"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_ecoinvent",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "ecoinvent:3.8:44dd80c7-9960-4881-8431-939509b81f53",
          "Polonium-210",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:13981-52-7",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=13",
          "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:13981-52-7);flow_object_candidates(1);elementary_candidates(13);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/949603be-a055-5115-ae92-bfd42d42da89",
        "skos:prefLabel": "Polonium-210",
        "context": "emissions to air / low. pop.",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/BQ"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_bafu",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "bafu:2026-v1:949603be-a055-5115-ae92-bfd42d42da89",
          "Polonium-210",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:13981-52-7",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=13",
          "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:13981-52-7);flow_object_candidates(1);elementary_candidates(13);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/739d6c78-36f1-54fd-bc92-7503e54f9379",
        "skos:prefLabel": "Polonium-210",
        "context": "emissions to air / low. pop.",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloBQ"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_bafu",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "bafu:2026-v1:739d6c78-36f1-54fd-bc92-7503e54f9379",
          "Polonium-210",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:13981-52-7",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=13",
          "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:13981-52-7);flow_object_candidates(1);elementary_candidates(13);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/agribalyse/3.2/flow/ba0e4f2f-0f7f-58a4-9097-384cdd9b93f5",
        "skos:prefLabel": "Polonium-210",
        "context": "Emissions to air / low. pop.",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloBQ"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
        }
      },
      "xkos:targetConcept": {
        "@id": "https://vocab.brightway.dev/elementary-flows/08a91e70-3ddc-11dd-97be-0050c2490048"
      },
      "provenance": {
        "prov:wasGeneratedBy": "merge_agribalyse",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "agribalyse:3.2:ba0e4f2f-0f7f-58a4-9097-384cdd9b93f5",
          "Polonium-210",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:13981-52-7",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=15",
          "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:13981-52-7);flow_object_candidates(1);elementary_candidates(15);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": "normalize_name_case",
    "name": "bootstrap_labels",
    "synonyms": "bootstrap_labels",
    "context": "default_context_mapping",
    "context_iri": "default_context_mapping",
    "unit_iri": "unit_normalization",
    "properties": "link_flows_to_their_substance",
    "skos_definition": "enrich_references",
    "references": "enrich_references",
    "altLabel": "chebi_altlabels",
    "cas_match_labels": "consensus_match",
    "concept_associations": "carry_associations_onto_flows",
    "types": "link_flows_to_their_substance"
  },
  "cas_match_labels": {
    "13981-52-7": "exactMatch"
  },
  "_transformed": true,
  "_provided": {
    "name": "polonium-210",
    "synonyms": [
      "(210)84Po",
      "(210)Po",
      "210-Po",
      "210-Polonium",
      "210Po",
      "AC1O3HB4",
      "Po-210",
      "Polonium 210",
      "Polonium, isotope of mass 210",
      "Radium F"
    ],
    "context": [
      "Emissions",
      "Emissions to air",
      "Emissions to non-urban air or from high stacks"
    ],
    "cas_numbers": [
      "13981-52-7"
    ],
    "ec_numbers": [],
    "unit": "kBq"
  }
}

Something wrong here?

A flow can be wrong in three ways, and they are decided differently. Pick the one that matches what you are looking at.

You do not need to run a build or clone anything. Name the row and say what your evidence is; the measurement is done for you. How contributing works

Keyboard

?
Show or hide this map
/
Focus search
Esc
Close