The National Environmental Health Association
National Radon Proficiency Program

Residential Measurement Provider
Standard Services

Individuals holding the Residential Measurement Provider certification have demonstrated knowledge of U.S. EPA radon measurement protocols for the placement and retrieval of radon measurement devices. They have also demonstrated knowledge of the proper interpretation of results obtained in residential settings.

These individuals are authorized to place devices that are analyzed by a NEHA certified analytical laboratory. Depending upon the location of the laboratory where the devices are to be analyzed, and specific shipping arrangements that have been established, results are not generally available immediately upon conclusion of the radon test. Checklist for Consumers

Although this classification is specific for measurements in homes, it does not preclude the ability to conduct radon measurement surveys in large buildings, or to take samples for radon in water, provided that the appropriate protocols are followed.
State Table

Residential Measurement Provider
Standard and Analytical Services

Individuals holding a Residential Measurement Provider for Standard and Analytical Services have demonstrated knowledge of U.S. EPA radon measurement protocols for the placement and retrieval of radon measurement devices. They have also demonstrated knowledge of the proper interpretation of results obtained in residential settings. Furthermore, these individuals possess and analyze radon measurement devices. Depending upon the specific device, this may allow for rapid provision of test results. The testing professional may also be able to characterize trends in radon concentration and determine unusual conditions arising from such influences as weather changes or occupant tampering of a test. To obtain this additional classification, individuals follow strict quality assurance and quality control guidelines and device specific protocols, and calibrate each instrument annually. The classification is specific to devices with which an individual has demonstrated proficiency. Although this classification is specific for measurements in homes, it does not preclude the ability to conduct radon measurement surveys in large buildings or to take samples for radon in water, provided that the appropriate protocols are followed.

Measurement Providers by Area

Lists are generally updated on a weekly basis.
Consumers are advised to check surrounding states and cities when searching for radon professionals in areas near state borders.

Canadian Measurement Professionals

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