This latest study which looked at seven cancer types was sponsored by the HSIA (Halogenated Solvents Industry Alliance and the Danish Medical Research Council.
It used data from four Nordic countries where occupational and health records are more detailed than those generally found in the USA and where perc was also the dominant solvent.
The study group of 46,000 individuals included all persons who worked in the laundry and drycleaning industry in Denmark, Finland, Norway and Sweden in 1970. In all, the Nordic study looked at seven cancer types.
Full story in LCNi January
