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OFFICIAL DOT HAZMAT & TERA EXPOSURE EVIDENCE PACKAGE
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Veteran: Lawrence Widlkowski
Claimed Exposures: Burn pits, Particulate matter, High-decibel gunfire
Statutory Act: PACT Act (38 U.S.C. § 1116) / DOT ERG (49 CFR)

CHEMICAL #1: Trichloroethylene (TCE Solvent & Degreaser)
  - CAS Number: 79-01-6
  - UN Identification Number: UN 1710
  - DOT Hazard Class: Class 6.1: Toxic Substances
  - ERG Guidebook Number: ERG Guide 160
  - Hazard Severity Level: 🔥 CRITICAL IARC GROUP 1 CARCINOGEN
  - 38 CFR Diagnostic Codes: DC 7528 (Renal Carcinoma), DC 7709 (Non-Hodgkin Lymphoma), DC 8004 (Parkinson's Disease), DC 7500 (Chronic Kidney Disease), DC 7200 (Liver Damage)
  - PACT Act Presumptive: True
  - IMO Nexus Rationale: Metabolized by glutathione S-transferase into toxic dichlorovinyl cysteine (DCVC), inducing nephrotoxicity, renal cell oncogenesis, and nigrostriatal dopaminergic neurodegeneration under 38 CFR 4.115b.
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CHEMICAL #2: Perchloroethylene (PCE / Tetrachloroethylene)
  - CAS Number: 127-18-4
  - UN Identification Number: UN 1897
  - DOT Hazard Class: Class 6.1: Toxic Substances
  - ERG Guidebook Number: ERG Guide 160
  - Hazard Severity Level: 🔥 CRITICAL IARC GROUP 2A CARCINOGEN
  - 38 CFR Diagnostic Codes: DC 7528 (Bladder Carcinoma), DC 7709 (Multiple Myeloma), DC 7500 (Renal Failure), DC 7709 (Lymphoma)
  - PACT Act Presumptive: True
  - IMO Nexus Rationale: Generates reactive episulfonium ions that cause renal tubular cellular proliferation, genotoxicity, and urinary tract urothelial cell carcinomas.
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CHEMICAL #3: Benzene (MOGAS Fuel & Solvents)
  - CAS Number: 71-43-2
  - UN Identification Number: UN 1114 / UN 1203
  - DOT Hazard Class: Class 3: Flammable Liquids
  - ERG Guidebook Number: ERG Guide 130
  - Hazard Severity Level: 🔥 CRITICAL IARC GROUP 1 CARCINOGEN
  - 38 CFR Diagnostic Codes: DC 7703 (Acute Myeloid Leukemia), DC 7709 (CLL / Lymphoma), DC 7700 (Aplastic Anemia)
  - PACT Act Presumptive: True
  - IMO Nexus Rationale: IARC Group 1 human carcinogen; bio-activated in liver and bone marrow to benzoquinones, causing topoisomerase II inhibition and chromosomal deletions in CD34+ progenitor cells.
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