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Environmental, Health, & Safety

Indoor Air Quality

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

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We leverage our team of highly-trained, certified personnel and state-of-the-art equipment to evaluate various conditions that impact indoor air quality.

Our work includes the delivery of detailed, written reports, site photographs, sampling and analysis methodology, reporting results, and recommendations regarding any requisite future actions.

  • Accidental Release Modeling
  • Air Monitoring for Abatement Activities
  • Air Sampling & Monitoring
  • Clearance Sampling for Building Re-Occupancy
  • Compliance Auditing & Documentation
  • Computerized Dispersion Modeling
  • Expert Testimony
  • Exposure & Hazard Assessments & Protocol Development
  • Insurance Damage & Loss Claims Assessment
  • Odor Control Evaluations
  • Real-Time Particulate Monitoring
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Find Your Expert Your local J.S. Held
office is located at:

1300 17th St N, Suite 250
Arlington, VA 22209

To view the full listing of our global offices visit our directory.

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