“…The programs primarily focused on the detection of organochlorine and organophosphate insecticides as well as mercury Abbott et a1. 1969, (Egan and Weston 1977). A Dutch total diet study was performed from 1976-78 that analyzed 126 foods purchased every 2 mon for 78 different chemicals, including pesticides, polychlorinated biphenyls (PCBs), bromine, heavy metals, arsenic, and selenium.…”