Comparison Values Estimated contaminant concentrations in specific media that are not likely to cause adverse health effects, given a standard daily ingestion rate and standard body weight. The comparison values are calculated from the scientific literature available on exposure and health effects. The amount of one substance dissolved or contained in a given amount of another. For example, sea water contains a higher concentration of salt than fresh water. Dermal Referring to the skin.
Dermal absorption means absorption through the skin.
The amount of substance to which a person is exposed. Dose often takes body weight into account. The presence of hazardous substances in the environment. From the public health perspective, environmental contamination is addressed when it potentially affects the health and quality of life of people living and working near the contamination. Hazard A source of risk that does not necessarily imply potential for occurrence.