MALB_2014 with 1-21 Revisions

Conducting Measurements of Radon and Radon ANSI/AARST MALB-2014 with 1/21 Revisions Decay Products in Schools and Large Buildings 32 8.3.3 Elaborations Where detailed elaborations are warranted in summary report attachments regarding concerns of testing reliability or extenuating circumstances, such elaborations shall be prominently identified. 8.4 Additional Test-Data Test data, in accordance with Sections 8.4.1 through 8.4.3 , shall be provided with each test report. 8.4.1 All individual results The test results from all individual valid measurements from each detector or test device, including results from individual quality control check detectors or devices, shall be provided along with: a) Detector identification/serial numbers; b) The start and stop dates and times of the measurement period; c) Test location notes, as appropriate; and d) Annotation for QC measurement results to indicate their purpose. 8.4.2 Continuous Monitors Additional requirements when using and reporting continuous radon monitor test results include: a) hourly data shall either be included in the test report or made available to be provided to the client upon request; b) the calibration date of each continuous monitor shall be included on the test report; and c) removal of or “backing out” portions of hourly data imbedded within the contiguous sampling period reported (such as to account for weather or other conditions) shall invalidate the measurement. Exceptions: 1. The first 4 hours of data are to be discarded or incorporated into the calculated test result reported using system correction factors (EPA 402-R-92-004, EPA 1992); 2. The first 12 or more hours are to be discarded in the calculated test result reported where required for meeting closed-building requirements in Sections 4 , 6.1.2 and 7.3.2 ; 3. The first 24 or more hours are to be discarded in the calculated test result reported where required in Section 7.3.2 after activation of a mitigation system fan or completion of other mitigation efforts, for evaluation of post- mitigation effectiveness; and 4. Where hourly data is intentionally used to evaluate occupied versus unoccupied concentrations, in accordance with Section 5.2 . 8.4.3 Test notifications Records of client notifications and dates distributed shall be included with each report, to include: a) Communications regarding client advisories, client authorizations and client commitments, as required in Section 2.6 ; and b) Communications regarding the content of occupant notices that the client’s facilitating staff were to distribute, as required in Section 2.9.1 .