tag:blogger.com,1999:blog-2822367631719606611.post4397805131623996151..comments2023-10-29T08:29:16.080-04:00Comments on Contaminated Nation - Water Contamination, Land Pollution & Hazardous Waste locations: Vapor Intrusion Drifts Above the Contamination Landscapebdehlhttp://www.blogger.com/profile/11149977199567022826noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2822367631719606611.post-88208347367125408972011-02-22T21:23:03.512-05:002011-02-22T21:23:03.512-05:00Actually, TCE and other VOCs, usually partition ac...Actually, TCE and other VOCs, usually partition across the capillary fringe from groundwater in the vapor form, diffusing into the soil pore space by diffusion, and are then carried through the vadose zone, again by diffusion, in soil gas, which, based on the VOC concentration gradient across the vadose zone and the sub slab pressure differential, may then enter a building through cracks etc in the foundation slab, completing the VI pathway.Anonymousnoreply@blogger.com