District of Columbia
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District of Columbia
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The trained experts listed below have demonstrated their knowledge and capability by passing a national competency exam. Each is required to complete regular continuing education classes, submit proof of satisfactory proficiency demonstrations, follow a rigorous quality assurance plan and adhere to a strict code of ethics. The National Radon Proficiency Program (NRPP) serves as the credentialing division of AARST.
The EPA and your state health department strongly recommend that ALL home buyers and owners have their home tested for indoor radon.
The EPA and your state health department strongly recommend that ALL home buyers and owners have their home tested for indoor radon.
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