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Environmental, Health, & Safety


Learn more about J.S. Held's recent acquisitions of VWM Analytics and Twenty First Century Engineering.

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J.S. Held's Toxicologists provide support on health-based matters involving public health, exposure, risk assessment, and characterization.

We address health-based concerns by evaluating exposure scenarios and complex routes of exposure, in addition to calculation, if needed, and use of risk-based human health exposure limits.

  • Agricultural
  • Asbestos & Lead
  • Electric & Magnetic Fields
  • Fibers
  • Food & Beverage
  • Food Additives (Diacetyl, Low-Calorie Sweeteners, Etc.)
  • Metals
  • Microbial Agents (Molds, Fungus, Bacteria, Etc.)
  • Noise Assessment & Dosimetry
  • Particulate Air Pollution
  • Persistent Organic Chemicals (PCBs, PFOA, Etc.)
  • Pesticides
  • Polyfluoroalkyl Substances (PFAS)
  • Product Liability & Toxic Tort
  • Solvents
  • Talc
  • Vapors
  • Causation Analysis
  • Chemical Exposure
  • Drug Test Interpretation
  • Environmental Microbiology
  • Food & Beverage Contamination
  • Food Safety
  • Foodborne Illnesses
  • Health Risk Assessments
  • Historical Scientific Data
  • Personal Injury / Health Impact
  • Regulatory Compliance
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