MAMF_with 1-21 Revisions

Conducting Measurements of Radon and ANSI/AARST MAMF-2017 with 1/21 Revisions Radon Decay Products in Multifamily Buildings 49 INFORMATIVE EXHIBIT 8 SAMPLE—DOOR HANGER NOTICE & PLACARDS RADON TEST IN PROGRESS Required closed-building conditions (12 hours prior to the test and during the test) Keep closed Windows & Exterior doors (except for momentary use) Set to normal Heating & Cooling systems keep between about 65˚ - 80˚ F) Set to lowest outdoor ventilation Systems that temporarily ventilate with outdoor air for seasonal comfort or energy savings Avoid excessive operation Clothes dryers, range hoods and bathroom fans Do not operate Whole-house and window fans Fireplaces that burn solid, liquid or gas fuels, unless they are the primary sources of heat for the building Do not disturb test devices. Radon Test Device Do not discard or disturb For questions, call _________________ Radon Test Device Do not discard or disturb For questions, call _________________ Radon Test Device Do not discard or disturb For questions, call _________________ Radon Test Device Do not discard or disturb For questions, call _________________ Radon Test Device Do not discard or disturb For questions, call _________________ Note—Text versions of the door hanger in both English and Spanish can be downloaded by choosing “Measurement, User Tools” at www.standards.aarst.org/public-review

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