-20% of workers in the exposed groups had proteinuria and abnormal liver function, and 12% had hypertension.
-The cancer unit risk (CR) expressed as a single formula
CR = Mean of conc. x Slope Factor (IRIS)
-In exposed semiconductor manufacturing workers, the cancer unit risk associated with exposure to air borne arsenic, and significant higher than the US EPA’s acceptable risk (10-6) as shown in table 5