A student of mine actually talked to the primary contractor in British Columbia and looked at all of his pre-radon and post-radon tests; incredibly effective in terms of—
On June 18th, 2015. See this statement in context.
On June 18th, 2015. See this statement in context.
Senior Scientist, Environmental Health Services, BC Centre for Disease Control
A student of mine actually talked to the primary contractor in British Columbia and looked at all of his pre-radon and post-radon tests; incredibly effective in terms of—
See context to find out what was said next.