Approved agricultural uses of metam-sodium do not leave residues on crops, thus eliminating diet as a source of exposure.
This coupled with Map's survival in the environment means that water destined for domestic use may be a source of exposure.
Great Lakes sport fish consumption is a source of exposure to POPs such as p,p′-diphenyldichloroethene (DDE) and polychlorinated biphenyls (PCBs).
When the slag is formulated into an abrasive agent for blasting paint and rust from hard surfaces, the beryllium can become airborne and become a source of exposure.
Tobacco smoke is also a source of exposure (IARC 2010).
Human consumption of contaminated Great Lakes fish is a source of exposure to these pollutants.
Changes in the residential address may also be a source of exposure misclassification.
In previous research, we demonstrated that septic wastes are a source of exposure to EDCs.
Thus, fish from the lake may also be a source of exposure to medium BDEs.
Fired ceramics contain very little dioxin and do not appear to be a source of exposure.
