Question

The unit risk factor (URF) for formaldehyde is 1.3 x10-5 m3 /µg. What is the cancer risk of an adult male in a 25ºC factory breathing 30 ppb formaldehyde (H2CO)? Is this considered an acceptable risk? (molecular weights: H=1.008, C=12.01, O=16.00 g/mol)

Answer 1