Stephen T. Hall, President, MS, Geochemistry, PhD program, Geochemistry Former Adjunct Professor and Research Associate on the George Mason University Radon Research Project. Research and several professional presentations to the EPA on the correlation between radon remediation techniques, construct...

RADON REMEDIATION SINCE 1986 SELECTED CASE HISTORIES AND EXPERIENCE RESIDENTIAL COMMERCIAL Toll Brothers: Design of pre-fit passive radon remediation systems in new homes and activation of system if post-construction indoor radon test is above EPA action limit. Avalon Properties / GZA Geoenvironment...

OUR SUCESSFUL REMEDIATION OF AN OLDER HOUSE WITH NO SUB-SLAB GRAVEL 1 2 HOWEVER, IF THE RADON SYSTEM HAD BEEN LOCATED IN THE UTILITY ROOM IN THE HOME(THE MOST UNOBTRUSIVE LOCATION) OR THE ROOMS WITH HIGHEST RADON LEVELS IN THE LARGE BUILDING, EVEN WITH MORE PIPES AND PENETRATIONS INSTALLED IN VARIOU...

OUR SYSTEMS -ARE LEGAL ANDAESTHETICALLY UNOBTRUSIVE 1. DISCHARGE UNDER A WINDOW LESS THAN 10' AWAY EXAMPLES OFILLEGAL RADON SYSTEMS STAFF 1. BLACK MOLD AND MILDEW FROM DISCHARGE AESTHETICS 2. DISCHARGE NOT ABOVE ROOFLINE 2. DOES NOT ALLOW WATER IN HORIZONTAL PIPE TO DRAIN 1. SYSTEM IN THE MIDDLE OF ...