The report analyses the data collected from urine, air, surface and glove samples taken from 18 companies using and 2 companies distributing the chemical 2,2′-Dichloro-4,4′ methylene dianiline (MbOCA). The statistical analysis aimed to summarise the data and to assess for consistency of results across comparable companies and comparable jobs and to investigate the relationships between MbOCA in urine, air, surface and glove samples and the relationship between MbOCA and isocyanate metabolites in urine samples. Report number HSL/2007/07

