MAH_2019

Protocol for Conducting Measurements of ANSI/AARST MAH 2019 Radon and Radon Decay Products in Homes 14 c) sub-slab return ducts were observed, and air handler fan activity was minimal during the test period. 8.5.5 Report deviations from protocol A description of any observed deviation from this protocol shall be included in the test report. Examples include: a) observed noncompliance with or deviations from required conditions such as closed-building conditions, prior to or during the test period; b) devices placed in locations that do not meet the minimum requirements of this standard and the reason for this was unavoidable; c) observed deviation from a normal occupied temperature ; d) changes in the detector’s placement and whether any seal has been altered or test interfered with; and e) observed anomalies in data produced by a continuous radon monitor that, in the test professional’s opinion, may indicate a deviation from testing protocols. 8.5.6 Noninterference controls Informative advisory —It is recommended that reports include: a) a description of any noninterference controls used such as tamper seals, control monitors or other methods, as applicable; and b) information on whether the responsible individual signed the noninterference agreement. 8.5.7 Report radon mitigation system status (if applicable) Where a mitigation system or efforts to mitigate radon are observed, the test report shall include: a) a statement that a mitigation system was observed and whether it appeared to be operating. b) a statement regarding the condition of any temporary radon mitigation strategies that are not permanent installations, and c) a statement on the limits of the inspection. Providing a statement in the report that the test company offers no findings as to the proper installation and operation of the mitigation system is permitted. Note—Section A of the attached MAH Companion Guidance provides general inspection considerations for radon mitigation systems . 8.5.8 Opinions and interpretations When opinions and interpretations are included, the basis upon which the opinions and interpretations have been made shall be included in test reports. Opinions and interpretations shall be clearly marked as such in a test report. Health and action level guidance provided in equivalent statements or otherwise furnished are to be consistent with federal guidance or as required by the state or other jurisdiction of authority where the test is being conducted.