Professional Radon Gas TRIPLE Canister Test Kit FOR NJ RESIDENTS Includes Laboratory Analysis, NJ FEE, 3 Canisters (REQUIRED IN NJ), Report & Priority Mailer Box To Lab - Same Day Test Results Easy to use - expose canisters for 2-5 days, then send the test canisters to lab. Very high quality, reliable, EPA recommended triple canister test kit used by professionals - not sold in stores The analysis is conducted at a nationally recognized laboratory listed by NEHA and the NRSB. The EPA and the Surgeon General Recommend That You Test Your Home for Radon.