B.C. forests polluted with arsenic
source: http://www.canada.com/vancouversun/news/story.html?id=b9332bbb-1b27-46c1-89a5-026f1378af63
Monosodium methanearsenate, or MSMA, was widely used in B.C.'s northern and Interior regions from the mid-1980s until 2004 with assurances at the time that the pesticide, sold under the trade name Glowon, posed little threat to the environment or to human health.