Product Type: Radon Gas Test Kit. Packaging Type: Clamshell. Detects the invisible and odorless gas. Meets all EPA and state requirements. Real estate transaction approved. Standard lab results within 1 week. $35 standard lab analysis fee required. Special note: If you are a New Jersey resident you must add an additional $10.00 fee (made payable Pro-Lab) for the New Jersey Department of Environmental Protection Agency's Administrative Costs. Kit includes: 2-short-term radon gas detectors (can be