UPDATE: Contaminated FEMA trailers were mislabeled

Tuesday, March 3, 2009 | 3:54 p.m. CST; updated 4:30 p.m. CST, Tuesday, March 3, 2009

ST. LOUIS — Thirteen former Federal Emergency Management Agency trailers in eastern Missouri have been banned for use as housing because their formaldehyde levels are too high, the chairman of the Missouri Public Service Commission said Tuesday.