What do we know about the smoke from Monday's railway tie fire?
A doctor says there's little research on the health effects of brief exposure to smoke from burning railway ties, and CPKC won't say what preservative was used on the wood.
https://www.cbc.ca/news/canada/london/railway-tire-fire-9.7220852?cmp=rss
A doctor says there's little research on the health effects of brief exposure to smoke from burning railway ties, and CPKC won't say what preservative was used on the wood.
https://www.cbc.ca/news/canada/london/railway-tire-fire-9.7220852?cmp=rss










