Surrogate measures of exposure are calculated by combining information on the amounts and chemical forms of the substance in environmental reservoirs, such as air, soil, water, and food;
(Surrogate measures of exposure; are calculated; by combining information on the amounts and chemical forms of the substance in environmental reservoirs, such as air, soil, water, and food)
Surrogate measures of exposure
are calculated
by combining information on the amounts and chemical forms of the substance in environmental reservoirs, such as air, soil, water, and food