Radon Measurement and Mitigation CoursesApril 23, 2018/in Articles, Classes & Meetings /by FrankMAll, radon mitigation and mitigation prerequisite courses and certification tests will be provided by local NYS AARST chapter, by our own George Schambach. See the details here: Radon Measurement and Mitigation Courses https://stahi.org/wp-content/uploads/STAHI-logo-w-lettering-reduced-1030x284.png 0 0 FrankM https://stahi.org/wp-content/uploads/STAHI-logo-w-lettering-reduced-1030x284.png FrankM2018-04-23 10:42:092018-04-23 10:42:09Radon Measurement and Mitigation Courses