CMHC search results re: Carpet Streaking

: http://www.cmhc.ca/en/search/search_001.cfm

Investigation of Black Soot Staining in Houses:

http://www.cmhc.ca/publications/en/rh-pr/tech/00-147-e.htm Carpet Streaking

http://www.cmhc.ca/en/burema/gesein/abhose/abhose_ce14.cfm