Illinois Radon Testing & Mitigation Authority (2026)
US Environmental Testing
Radon Is a Serious Risk in Lemont, Illinois
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Illinois is a high radon zone, and homes in Lemont are at risk, due to soil conditions and construction methods.
Why Illinois Has Some of the Highest Radon Levels in the U.S.
Illinois is classified as a Zone 1 Radon State, meaning a high probability of indoor radon levels exceeding 4.0 pCi/L.
What Is Radon? (Scientific Overview)
Radon is a radioactive noble gas formed from the decay of uranium in soil. It infiltrates structures through:
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Foundation cracks
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Sump pits
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Utility penetrations
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Crawlspaces and slab joints
Once inside, radon accumulates—especially in basements and lower levels. Radon may be detected in elevated levels in up to the third level of a dwelling.
Licensed Radon Testing & Mitigation Services in Lemont, IL
Trusted Radon Testing in Lemont, Illinois
If you're searching for licensed, insured environmental testing in Lemont, Illinois, with experience conducting tests that you need! Look no further:
US Environmental Testing is recognized as a leading authority in radon testing, radon
detection, and radon mitigation across Illinois, serving residential, commercial, government, healthcare, and educational facilities.
Why Choose Us in Lemont, Illinois
“We are Illinois’ leading environmental testing authority (2026) operating under EPA, ANSI, HUD, and OSHA-aligned protocols.” Trusted across Illinois.
We operate under strict adherence to protocols outlined by the following Federal Agencies:
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American National Standard Institute (ANSI)
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HUD Environmental Protocols
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Illinois Emergency Management Agency, Department of Homeland Security (IEMA)
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Indoor Environments Association (IEA)
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National Emission Standards for Hazardous Air Pollutants (NESHAP)
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OSHA & NIOSH Safety Frameworks
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United States, Environmental Protection Agency (USEPA)
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National Institute for Occupational Safety and Health (NIOSH)
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United States Occupational Safety and Health Administration (OSHA)
Our Services in Lemont, Illinois
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Asbestos Containing Materials (ACM) - Building Inspections
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Residential Asbestos Containing Materials (ACM) - Building Inspections
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Real Estate Asbestos Containing Materials (ACM) - Building Inspections
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Commercial Asbestos Containing Materials (ACM) - Building Inspections
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Lead-Based-Paint Risk Assessment & Lead-Based-Paint Sampling
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Residential Fungal Spore 'Mold' Risk Assessments
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Real Estate Fungal Spore 'Mold' Inspections
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Commercial Fungal Spore 'Mold' Risk Assessments
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Commercial Fungal Spore 'Mold' Inspections
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Residential Radon Testing
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Real Estate Radon Testing
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Commercial Radon Testing
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Industrial Radon Testing
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Daycare Radon Testing, Residential & Commercial
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Radon Mitigation System Design
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Post-Mitigation Radon Testing
Serving Lemont, Illinois and Nearby Areas & Regions: Service Areas
We proudly serve Lemont, Illinois and surrounding suburbs and EPA Regions
What Makes Us Different
Compliance-First Approach
We don't just test - we ensure full regulatory alignment.
Scientific Precision
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Advanced monitoring equipment and calibrated data analysis.
Multi-Sector Expertise
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Residential
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Capital Improvement (CI)
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Commercial
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Education
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Government
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Healthcare
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Industrial
Illinois Radon Laws & Compliance (2026)
Real Estate Transactions:
Radon disclosure is required
Testing is strongly recommended during inspection
Schools:
Illinois law recommends testing every 5 years
Results often reported to state authorities
Daycares:
Required at time of initial DCFS license issuance and every 3 years for compliance (DCFS)
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Schedule Radon Testing in Lemont, Illinois
"Fast. Accurate. Experienced. Knowledgeable."
