Thales Cheng, MPH, CIH

J.S. Held’s Inaugural Global Risk Report Examines Potential Business Risks & Opportunities in 2024

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Thales Cheng is a Certified Industrial Hygienist (CIH) with experience consulting on industrial hygiene, exposure assessment, toxicology, human health risk assessment, and emergency response matters.

Mr. Cheng has managed litigation projects and provided support for cases related to asbestos, underground storage tanks, and consumer exposure from products such as e-cigarette devices. He has experience assessing occupational, non-occupational, and environmental exposures to asbestos, talc, formaldehyde, acetaldehyde, acrolein, and volatile organic compounds (VOCs).

While pursuing his graduate degree in Environmental Health at San Diego State University, Mr. Cheng examined the effects of global climate change on West Nile Virus mosquito vectors in San Diego County.

Key Expertise

  • Industrial Hygiene
  • Exposure Assessment
  • Environmental Health
  • Air Monitoring & Sampling
  • Asbestos

Professional Affiliations & Certifications

  • Certified Industrial Hygienist (CP# 12756), American Board of Industrial Hygiene (2022)
  • Member, American Industrial Hygiene Association (AIHA)
  • OSHA 40-hour HAZWOPER
  • Transportation Worker Identification Credential (TWIC)
  • NIMS ICS-100/200/300/400/700/800

J.S. Held is recognized as an ENR Top 200 Environmental Consulting Firm and industry leader in the Verdantix Green Quadrant for Sustainability & ESG Consulting.