Emily
Editor, Senior Moderator
3 workers were killed and 2 were brain-damaged by hydrogen sulfide (sulphide) gas from compost materials at a mushroom farm in 2008:
http://www.vancouversun.com/news/Jail+time+sought+those+convicted+Langley+mushroom+farm+deaths/5419284/story.html
http://www.vancouversun.com/news/Jail+time+sought+those+convicted+Langley+mushroom+farm+deaths/5419284/story.html