Find a Professional
Search by State
Search by Zip Code
Zip Code:
RTCA® has been servicing radon professionals since 1986. Our experience, same day reporting of results, convenience of service and range of product make RTCA® a one-stop shop.
Charcoal Canister Test Kit Double Pack - Results are available by phone, fax or e-mail that same day.
E-Smart Continuous Radon Monitor reports hourly radon and temperature readings.
What to do if you have tested and radon measurements exceed the EPA action level of 4 pCi/L
Learn more >>
Our #1 rating by a leading consumer advocacy group make RTCA® the choice of consumers nation-wide.
Charcoal Canister Test Kit is great for short term testing from 2 days to 7 days.
Radon in Water Test Kit EPA recommends test if water supply is from a private well.

Servicing governmental agencies since 1986, RTCA® has earned a reputation as a reliable provider of radon test kits and can design a program to meet your needs.
RTCA® is NELAC accredited:
Lab ID 10806
Learn More >>