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Tim Peiffle
Environment Professional 
US Environmental Testing 

More Than a Decade of Environmental Testing Experience | Multidisciplinary Environmental Assessment | Residential, Commercial & Government Projects

Timothy Peiffle is an environmental testing professional and the lead representative of US Environmental Testing LLC, an independent environmental testing and assessment organization headquartered in Glen Ellyn, Illinois.

Since 2015, Timothy has developed extensive experience coordinating and performing environmental inspections, sampling, testing, and risk assessments involving hazardous building materials, indoor environmental conditions, and potential chemical and biological contaminants.

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His professional focus encompasses asbestos-containing materials, lead-based paint, mold and microbial assessments, radon measurement, indoor air quality, volatile organic compounds (VOCs), advanced chemical and material identification, and specialized water quality investigations.

Timothy's multidisciplinary experience allows US Environmental Testing to assist clients who need more than an isolated inspection. His approach considers the building, its intended use, applicable environmental regulations, sampling methodology, laboratory analytical capabilities, and the practical implications of the findings.

Professional Areas of Expertise

Asbestos Inspection & Environmental Assessment

  • Asbestos-containing building material inspections.

  • Bulk material sampling and laboratory coordination.

  • Vermiculite, insulation, flooring, roofing, and building material identification.

  • Commercial, residential, renovation, and demolition assessments.

  • Asbestos air sampling and analytical coordination.

 

Lead-Based Paint & Lead Exposure Assessment

  • Lead-based paint inspections.

  • Lead risk assessments.

  • Paint-chip and dust-wipe sampling.

  • Soil and environmental lead sampling.

  • HUD-related residential and housing assessments.

  • Child-occupied facilities and educational environments.

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Mold & Microbial Assessments

  • Residential and commercial mold assessments.

  • Moisture-related environmental investigations.

  • Airborne fungal spore and surface sampling.

  • Laboratory identification and interpretation.

  • Post-remediation environmental evaluations.

  • Radon Measurement & Detection Residential and commercial radon measurement.

  • Multifamily housing and institutional testing.

  • School and daycare radon measurement.

  • Real estate transaction testing.

  • Post-mitigation verification testing.

  • ANSI/AARST-aligned measurement practices.

 

Advanced Chemical Identification & Indoor Air Quality

  • Volatile organic compound (VOC) investigations.  

  • Indoor air quality assessments.

  • Chemical and material identification.

  • Specialized environmental sampling.

  • Investigation of potential airborne chemical contaminants.

  • Water Quality & Contaminant Testing Drinking water quality assessments.

  • Lead in drinking water.

  • Legionella investigations.

  • PFAS and related fluorinated compound testing.

  • Heavy metals and chemical contaminant analysis.

  • Coordination with appropriately qualified analytical laboratories.

State-Specific Professional Credentials

The following professional credentials have been identified for Timothy Peiffle and are published for transparency. Credential status, expiration dates, and issuing-agency verification links should be maintained on the company's official credential directory.

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Florida – Mold Risk Assessor

Hawaii – Asbestos Inspector: License No. HIASB-5747.

Illinois – Asbestos Professional: License No. 100.19970.

Illinois – Lead-based-paint Risk Assessor: Illinois Department of Public Health License No. 100.2747.

Illinois – Radon Measurement Professional: No. RNM2015202.

South Carolina – Asbestos Consultant: SCDES No. BI-002428.

Wisconsin – Lead Professional: DHS ID No. 2777530.

Wisconsin – Radon Measurement Professional

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Water Analysis, Collections overseen by T. Peiffle. Analysis performed by third - party laboratory. 

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Professional Affiliations

 

  • American Association of Radon Scientists and Technologists: Membership ID A6690.

  • Indoor Environments Association: Professional affiliation.

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