There has been no improvement in over a decade in the chemical industry’s control of a potent carcinogen, research for the Health and Safety Executive (HSE) has found. The study into exposures to the cancer-causing chemical MbOCA found more than 1 in 20 measurements (6 per cent) exceeded the guidance value for MbOCA in urine, with levels in excess of this figure found at seven of the 19 sites visited in study.

Occupational exposure to MbOCA (4,4′-methylene-bis-ortho-chloroaniline) and isocyanates in polyurethane manufacture, RR828, December 2010 [pdf]. Risks 489.