RMS RMS Industry Standards 2

Question 1

According to ANSI/AARST standards, what is the maximum allowable post-mitigation radon level that defines a successful mitigation?

Accepted Answer

2 pCi/L

Answer

ANSI/AARST standards set a performance goal of 2 pCi/L or less for a successfully mitigated building.

Question 2

Which AARST consensus standard specifically governs radon mitigation in schools and large buildings?

Accepted Answer

ANSI/AARST MALB

Answer

ANSI/AARST MALB (Mitigation for Attached Large Buildings) covers schools, commercial, and large structures.

Question 3

Under EPA and AARST guidance, how soon after mitigation system installation should a post-mitigation radon test be conducted?

Accepted Answer

At least 24 hours but within 30 days

Answer

Post-mitigation testing should occur at least 24 hours after installation but within 30 days to confirm system effectiveness.

Question 4

Which document provides the national standard for measuring radon in homes and is referenced by RMS professionals?

Accepted Answer

EPA 402-R-93-078

Answer

EPA 402-R-93-078 (the 'Blue Book') provides national radon measurement protocols commonly referenced in the field.

Question 5

The AARST Consortium on National Radon Standards (CNRS) was established primarily to:

Accepted Answer

Develop nationally recognized ANSI-approved radon standards

Answer

CNRS was created to develop radon standards through the ANSI consensus process, giving them national standing.

(RMS) Radon Mitigation Specialist Practice Test