About Us

The Certified Environmental name ensures a service level and expertise that’s unprecedented in the industry. Over the years, we’ve become known for more than just our radon expertise. We are an indoor air quality solutions firm that provides residential and commercial testing, consultation, certification, installation, and remediation services for radon and mold. We protect the public from the consequences of radon gas and give customers the peace of mind that their air quality is safe.

Oil removal truck

Some of the Reasons Why Our Customers Choose Us Are Listed Below

Knowledgeable and Experienced

Founded by and owned by an industry veteran with over 30 years of experience, who has great insight into testing protocols. Most employees have 10+ average years of service, and all staff are full-time employees.

Best in Class

Company standards are higher than regulatory standards, and diagnostic testing and mitigation is the most accurate and rigorous in the industry.


Provides same-day test results and is able to respond quickly and address problems when they are diagnosed because trucks are fully stocked.

More Than Just Radon

Focuses not only on radon, but also on providing holistic indoor air quality/safety solutions related to mold, and vapor intrusion.

Committed to the Public

Certified Environmental truly cares about public safety and health and treats customers with a friendly, supportive approach, providing education to help inform people of the dangers of radon gas and mold.

Certified Office Staff

Our friendly, knowledgeable staff is always available for questions.

Our Team Members

Peter lordy

Peter Lordy

Over 30 years doing Superfund, Industrial / Commercial, residential and site evaluations – beginning with RCRA, CERCLA.
Trained asbestos removal Supervisor.
Holds closure, subsurface and tank testing licenses from NJDEP.
40 hrs hazmat trainer- Rutgers trained for annual certification
Roth Certified
Voting member of ASTM International.
Radon Measurement Specialist

NJDEP License # 207264 & US 243905

Jason Elliott

Jason is an environmental scientist with 11+ years of experience working on environmental projects in New Jersey. He has extensive experience dealing with issues such as leaky residential oil tanks, commercial/industrial soil groundwater contamination, NJDEP regulated sites (gas stations, dry cleaners, etc..), radon testing and mitigation, Phase I & II due diligence environmental site assessments, and mold investigations.

Jason is an LSRP (Licensed Site Remediation Professional) in good standing with the NJDEP, NJDEP licensed as a subsurface evaluator and for tank closure, NJDEP licensed as a Radon Measurement Specialist, and certified as a residential/commercial mold investigator and remediator.

Truck new

Get the Job Done Right the First Time

Doing it right the first time is well worth it, and when dealing with government agencies, it’s a must. We won’t leave the job until you and the state are completely satisfied. Ask us for references in your area.

Why Choose Us?

We’re the #1 choice in the region, and we have been for years!

FREE Consultations and Estimates - we will beat any written quote!
More than 30 years of experience in the field
We own our own equipment - reliable and available.
Competitive and reasonable prices, knowledgeable and friendly staff
Excellent reviews and many return customers