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Environmental Consulting, Detection, and Education

US Environmental Testing LLC
Northern Illinois Radon LLC
Our Services
The Radon Academy3-01.jpg

Common clients / service calls include:

​Radon Detection:

  • DCFS Licensing:  Department of Children and Families Services, Day Care Licensing

  • Education:  Pre-K to 12, including Universities are encouraged to test their buildings and campuses for radon gas.

  • Homeowners Associations:  Seeking out environmental consulting for multi-unit air quality, lead paint testing, mold assessment, radon detection / remediation consultation, or organic compound detection / testing.

  • H.U.D.:  U.S. Department of Housing and Urban Development.  Radon testing is performed in HUD housing units

  • Landlords: Illinois and Florida landlords must disclose present radon levels in their properties as part of their lease agreement.

  • Property Managers:  Managers striving to protect tenants from radon and follow the Illinois 420 ILCS 46 / Radon Awareness Act. (1/1/24).

  • Real Estate (buyers & sellers):  In real estate transactions, a buying party may elect to perform a radon test to identify elevated radon levels in the property.  An elevated radon level would equal a result of 4.0 pCi/L or above.  By identifying elevated levels prior to close, the attorneys may negotiate terms of the contract to include remediation or credit to correct elevated radon levels.

US Environmental Testing, Service areas, EPA Regions 4 and 5



Serving Service Areas 4&5

  • Lead Inspection & Lead Risk Assessment

  • Licensed Mold Assessment

  • Licensed Radon Detection

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Soofia A.

"Pleasure working with Tim -

Timely follow up."

Soofia A.

May 18, 2024

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Yavor G.

"I would highly recommend the company and specifically Tim, who is extremely knowledgeable and experienced!  He did an amazing job on time and on budget!  He is a rare breed of service professionals, who knows exactly what to do and how to do it!  He is also very intelligent and able to explain everything in a way which is easily understood!  I would always use his service in the future and so should you IMO!."

Yavor G. 

April 29, 2024

Image by Jonas Kakaroto

Christian M. 

"Tim was fast and efficient and very knowledgeable.  Highly recommend!"

Thanks Tim

Christian M.

May 6, 2024

Recent feedback from actual customers

Client Testimonials

Alicia W.

"Great customer service, excellent communication and we also appreciated the explanation of the process! 

Thank you Tim and Northern Illinois Radon!

We highly recommend their services!"

Alicia W.

March 20, 2024


Krystal W.

"Just want to say that Tim and his services for the radon test we received for our new home was amazing, extremely efficient, same day service we got very quick response time to any questions we had, very knowledgeable. We had a great experience with Tim and the company,    10 out of 10 for sure, highly recommend him!"

Thanks Tim

Krystal W.

February 27, 2024

Image by Ludovic Migneault

Richie S.

"Tim was great to work with.

Very professional and very informative.

I would highly recommend for radon testing."

Richie S. 

February 29, 2024

What is Radon Gas?

What is Radon Remediation?

About Us

About Us

US Environmental Testing LLC is an environmental consulting, testing, and risk assessment company.  Our licensed lead risk assessors, licensed mold assessors, and licensed-professional radon detection professionals are committed to delivering environmental assessment services.

We provide lead and mold assessment in EPA regions 4/5, radon testing, organic compound and advanced air quality detection. US Environmental Testing LLwill facilitate the discovery and provide a proposal for remediation or site solution. 

Site assessments begin with the appropriate air quality study by a trained and certified technician, we employ certified environmental building inspectors, and IDPH lead risk assessors.

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Indoor Air Quality

Indoor Air Quality

Office Space


School Building


Fire Trucks Leaving Station




Modern House


Accreditations and Affiliations
National Radon Safety Board - Accredited Radon Insructor
Certified Environmental Home Inspector
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