{
  "generatedFrom": "Humpleby_Strauss_Master_Exposure_Matrix_V1_4.xlsx",
  "guardrail": "Relationships organize investigative leads. They do not establish individual exposure, causation, liability, or eligibility.",
  "nodes": [
    {
      "id": "OCC-0001",
      "type": "occupation",
      "title": "Pipefitter",
      "slug": "pipefitter",
      "summary": "Installs, maintains, and repairs piping systems.",
      "confidence": "Well Supported"
    },
    {
      "id": "OCC-0002",
      "type": "occupation",
      "title": "Boilermaker",
      "slug": "boilermaker",
      "summary": "Builds, repairs, and maintains boilers and pressure vessels.",
      "confidence": "Well Supported"
    },
    {
      "id": "OCC-0003",
      "type": "occupation",
      "title": "Electrician",
      "slug": "electrician",
      "summary": "Installs and maintains electrical systems in buildings and industrial facilities.",
      "confidence": "Generally Accepted"
    },
    {
      "id": "IND-0001",
      "type": "industry",
      "title": "Power Generation",
      "slug": "power-generation",
      "summary": "Electric generating facilities historically used heat-resistant insulation and sealing materials.",
      "confidence": "Well Supported"
    },
    {
      "id": "IND-0002",
      "type": "industry",
      "title": "Shipbuilding and Ship Repair",
      "slug": "shipbuilding-and-ship-repair",
      "summary": "Ship construction and overhaul historically involved extensive thermal insulation and machinery maintenance.",
      "confidence": "Well Supported"
    },
    {
      "id": "PRD-0001",
      "type": "product",
      "title": "Pipe Insulation",
      "slug": "pipe-insulation",
      "summary": "Insulation historically placed around steam and process piping.",
      "confidence": "Well Supported"
    },
    {
      "id": "EXP-0001",
      "type": "pathway",
      "title": "Occupational Asbestos Exposure",
      "slug": "occupational-asbestos-exposure",
      "summary": "Exposure arising from work tasks or nearby disturbance of asbestos-containing materials.",
      "confidence": "Well Supported"
    },
    {
      "id": "EXP-0002",
      "type": "pathway",
      "title": "Household (Take-Home) Exposure",
      "slug": "household-take-home-exposure",
      "summary": "Exposure to fibers carried home from work on clothing, shoes, tools, or vehicles.",
      "confidence": "Well Supported"
    },
    {
      "id": "EXP-0003",
      "type": "pathway",
      "title": "Military Asbestos Exposure",
      "slug": "military-asbestos-exposure",
      "summary": "Exposure potentially associated with military duties, equipment, ships, vehicles, and facilities.",
      "confidence": "Well Supported"
    },
    {
      "id": "TRUST-0001",
      "type": "trust",
      "title": "Manville Personal Injury Settlement Trust",
      "slug": "manville-personal-injury-settlement-trust",
      "summary": "A bankruptcy trust associated with Johns-Manville Corporation.",
      "confidence": "Established"
    }
  ],
  "edges": [
    {
      "source": "OCC-0001",
      "target": "IND-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "OCC-0001",
      "target": "PRD-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "OCC-0001",
      "target": "EXP-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "OCC-0002",
      "target": "IND-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "OCC-0002",
      "target": "IND-0002",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "OCC-0002",
      "target": "EXP-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "OCC-0003",
      "target": "IND-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "OCC-0003",
      "target": "PRD-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "OCC-0003",
      "target": "EXP-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "IND-0001",
      "target": "PRD-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "IND-0002",
      "target": "OCC-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "IND-0002",
      "target": "OCC-0003",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "IND-0002",
      "target": "PRD-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "PRD-0001",
      "target": "OCC-0002",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "EXP-0001",
      "target": "IND-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "EXP-0001",
      "target": "IND-0002",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "EXP-0001",
      "target": "PRD-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "EXP-0002",
      "target": "IND-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "EXP-0002",
      "target": "IND-0002",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "EXP-0002",
      "target": "EXP-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "EXP-0003",
      "target": "IND-0002",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "EXP-0003",
      "target": "PRD-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "TRUST-0001",
      "target": "OCC-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "TRUST-0001",
      "target": "OCC-0002",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "TRUST-0001",
      "target": "IND-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "TRUST-0001",
      "target": "IND-0002",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    },
    {
      "source": "TRUST-0001",
      "target": "PRD-0001",
      "basis": "structured relationship",
      "status": "investigative lead, not proof"
    }
  ]
}