The World Health Organization classified formaldehyde as a human carcinogen in 2004. While the United States limits workplace exposure, it has never regulated indoor air quality. With no binding standard for homes, manufacturers say levels recommended by health agencies are too low and cite higher thresholds identified by housing regulators.
GRAPHIC: Reporting by Spencer Hsu, The Washington Post - May 25, 2008
Safety Lapses Raised Risks In Trailers for Katrina Victims Article | Within days of Hurricane Katrina's landfall in August 2005, frantic officials at the Federal Emergency Management Agency ordered nearly $2.7 billion worth of trailers and mobile homes to house the storm's victims, many of them using a single page of specifications.