Brightway Flows 1.0
GitHub

Identity

Substance
fo-10b4ae10d418f62f Neutral molecule
Source
EF 3.1
Unit
kg
Context
Environmental → Air → Unknown
CAS
74-83-9
EC
200-813-2

Context

Dimension
Environmental
Media
Air
Strata
Unknown

Alternative labels

19

Source lists

6
List Version Source flow Name there Why this flow
EF 3.1 9ae43462-e251-11e6-bf01-fe55135034f3 Bromomethane The consensus list is built from this one, so this row is the flow itself rather than something matched to it.
agribalyse 3.2 76bd1293-2a2a-59df-a9e4-448bd3ad7962 Methane, bromo-, Halon 1001 The CAS numbers are the same (74-83-9); both name the same compartment.
bafu 2026-v1 528ab5eb-a060-5939-8fe9-e8c4f04e9fb3 Methane, bromo-, Halon 1001 The CAS numbers are the same (74-83-9); both name the same compartment.
ecoinvent 3.12 8c283de2-50d3-40c8-8bff-1e172c3398f8 Bromomethane The CAS numbers are the same (74-83-9); both name the same compartment.
ecoinvent 3.8 8c283de2-50d3-40c8-8bff-1e172c3398f8 Methane, bromo-, Halon 1001 The CAS numbers are the same (74-83-9); both name the same compartment.
stepwise 2006-1.09 ff33d7a5-5a73-514c-8a79-7846b4eec544 Methane, bromo-, Halon 1001 The CAS numbers are the same (74-83-9); both name the same compartment.

Concept associations

6
Source list Source flow Name there Compartment there Match Conversion
EF 3.1 9ae43462-e251-11e6-bf01-fe55135034f3 Bromomethane Emissions/Emissions to air/Emissions to air, unspecified exactMatch
ecoinvent 3.12 8c283de2-50d3-40c8-8bff-1e172c3398f8 Bromomethane air / unspecified closeMatch
ecoinvent 3.8 8c283de2-50d3-40c8-8bff-1e172c3398f8 Methane, Bromo-, Halon 1001 air / unspecified closeMatch
bafu 2026-v1 528ab5eb-a060-5939-8fe9-e8c4f04e9fb3 Methane, Bromo-, Halon 1001 emissions to air / unspecified closeMatch
stepwise 2006-1.09 ff33d7a5-5a73-514c-8a79-7846b4eec544 Methane, Bromo-, Halon 1001 Air / (unspecified) closeMatch
agribalyse 3.2 76bd1293-2a2a-59df-a9e4-448bd3ad7962 Methane, Bromo-, Halon 1001 Emissions to air closeMatch

Characterisation factors

42

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 Climate change 2.43
EF 3.1 ecoinvent Centre Climate change 2.43
EF 3.1 GreenDelta Climate change 2.43
EF 3.1 consensus-flow-list Climate change 2.43 agreed
EF 3.1 European Commission — JRC Climate change-Fossil 2.43
EF 3.1 ecoinvent Centre Climate change-Fossil 2.43
EF 3.1 GreenDelta Climate change-Fossil 2.43
EF 3.1 consensus-flow-list Climate change-Fossil 2.43 agreed
EF 3.1 European Commission — JRC Ecotoxicity, freshwater 19.624
EF 3.1 ecoinvent Centre Ecotoxicity, freshwater 19.624
EF 3.1 GreenDelta Ecotoxicity, freshwater 19.624
EF 3.1 consensus-flow-list Ecotoxicity, freshwater 19.624 agreed
EF 3.1 European Commission — JRC Ecotoxicity, freshwater_organics 19.624
EF 3.1 ecoinvent Centre Ecotoxicity, freshwater_organics 19.624
EF 3.1 GreenDelta Ecotoxicity, freshwater_organics 19.624
EF 3.1 consensus-flow-list Ecotoxicity, freshwater_organics 19.624 agreed
EF 3.1 European Commission — JRC Human toxicity, cancer 0
EF 3.1 consensus-flow-list Human toxicity, cancer 0 sole
EF 3.1 European Commission — JRC Human toxicity, cancer_organics 0
EF 3.1 consensus-flow-list Human toxicity, cancer_organics 0 sole
EF 3.1 European Commission — JRC Human toxicity, non-cancer 8.2121e-05
EF 3.1 ecoinvent Centre Human toxicity, non-cancer 8.2121e-05
EF 3.1 GreenDelta Human toxicity, non-cancer 8.2121e-05
EF 3.1 consensus-flow-list Human toxicity, non-cancer 8.2121e-05 agreed
EF 3.1 European Commission — JRC Human toxicity, non-cancer_organics 8.2121e-05
EF 3.1 ecoinvent Centre Human toxicity, non-cancer_organics 8.2121e-05
EF 3.1 GreenDelta Human toxicity, non-cancer_organics 8.2121e-05
EF 3.1 consensus-flow-list Human toxicity, non-cancer_organics 8.2121e-05 agreed
EF 3.1 European Commission — JRC Ozone depletion 0.57
EF 3.1 ecoinvent Centre Ozone depletion 0.57
EF 3.1 GreenDelta Ozone depletion 0.57
EF 3.1 consensus-flow-list Ozone depletion 0.57 agreed
Stepwise 2006 2.-0 LCA consultants Ecotoxicity, aquatic 65.825425
Stepwise 2006 consensus-flow-list Ecotoxicity, aquatic 65.825425 sole
Stepwise 2006 2.-0 LCA consultants Ecotoxicity, terrestrial 43.317817
Stepwise 2006 consensus-flow-list Ecotoxicity, terrestrial 43.317817 sole
Stepwise 2006 2.-0 LCA consultants Global warming, fossil 2.43
Stepwise 2006 consensus-flow-list Global warming, fossil 2.43 sole
Stepwise 2006 2.-0 LCA consultants Human toxicity, non-carc. 22.091593
Stepwise 2006 consensus-flow-list Human toxicity, non-carc. 22.091593 sole
Stepwise 2006 2.-0 LCA consultants Ozone layer depletion 0.38
Stepwise 2006 consensus-flow-list Ozone layer depletion 0.38 sole

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
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        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
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          "Methane, Bromo-, Halon 1001",
          "",
          "algorithm.lookup_order=cas>ec>label",
          "algorithm.basis=cas:74-83-9",
          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=14",
          "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:74-83-9);flow_object_candidates(1);elementary_candidates(14);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/528ab5eb-a060-5939-8fe9-e8c4f04e9fb3",
        "skos:prefLabel": "Methane, Bromo-, Halon 1001",
        "context": "emissions to air / unspecified",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/9ae43462-e251-11e6-bf01-fe55135034f3"
        }
      },
      "xkos:targetConcept": {
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      },
      "provenance": {
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        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
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          "algorithm.flow_object_candidates=1",
          "algorithm.elementary_candidates=14",
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        ],
        "prov:wasDerivedFrom": "algorithmic_fallback:lookup_order(cas>ec>label);basis(cas:74-83-9);flow_object_candidates(1);elementary_candidates(14);selector(exact-context-iri-match);exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
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    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
        "@id": "https://vocab.brightway.one/stepwise/2006-1.09/flow/ff33d7a5-5a73-514c-8a79-7846b4eec544",
        "skos:prefLabel": "Methane, Bromo-, Halon 1001",
        "context": "Air / (unspecified)",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
          "@id": "https://vocab.brightway.dev/elementary-flows/9ae43462-e251-11e6-bf01-fe55135034f3"
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      },
      "xkos:targetConcept": {
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      },
      "provenance": {
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          "algorithm.elementary_candidates=14",
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        ],
        "prov:wasDerivedFrom": "algorithmic_fallback:lookup_order(cas>ec>label);basis(cas:74-83-9);flow_object_candidates(1);elementary_candidates(14);selector(exact-context-iri-match);exact-iri-shortcircuit;up-tree-filter;score=(2*unit_exact)+context_overlap-context_penalty+context_iri_exact;contradiction-veto"
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    },
    {
      "@type": "xkos:ConceptAssociation",
      "xkos:sourceConcept": {
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        "skos:prefLabel": "Methane, Bromo-, Halon 1001",
        "context": "Emissions to air",
        "qudt:hasUnit": {
          "@id": "https://vocab.brightway.one/units/unit/KiloGM"
        },
        "skos:closeMatch": {
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      },
      "xkos:targetConcept": {
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      "provenance": {
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        ],
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      }
    }
  ],
  "_sources": {
    "prefLabel": "bootstrap_labels",
    "name": "bootstrap_labels",
    "context": "default_context_mapping",
    "context_iri": "default_context_mapping",
    "unit_iri": "unit_normalization",
    "cas_numbers": "registry_number_from_name",
    "cas_number_sources": "registry_number_from_name",
    "ec_numbers": "ec_cross_check",
    "properties": "normalise_property_values",
    "skos_definition": "enrich_references",
    "references": "enrich_references",
    "altLabel": "consensus_match",
    "cas_match_labels": "consensus_match",
    "concept_associations": "carry_associations_onto_flows",
    "types": "link_flows_to_their_substance",
    "roles": "link_flows_to_their_substance"
  },
  "cas_match_labels": {
    "74-83-9": "exactMatch"
  },
  "cas_number_sources": {
    "74-83-9": {
      "prov:wasGeneratedBy": "registry_number_from_name",
      "prov:wasAttributedTo": "consensus-flow-list",
      "prov:hadPrimarySource": [
        "EF 3.1"
      ],
      "prov:wasDerivedFrom": "another row of this source list gives this name"
    }
  },
  "_transformed": true,
  "_provided": {
    "name": "Bromomethane",
    "synonyms": [],
    "context": [
      "Emissions",
      "Emissions to air",
      "Emissions to air, unspecified"
    ],
    "cas_numbers": [],
    "ec_numbers": [],
    "unit": "kg"
  }
}

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

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