Effects having a sudden onset and lasting a short time.

A systematic assessment of pollutant levels by measuring the quantity and types of certain pollutants in the surrounding, outdoor air. Note that most PAHs in ambient air are the result of man-made pro [..]

A biological assay to assess the mutagenic potential of chemical compounds.

A substance or chemical constituent that is determined in an analytical procedure.

A black or very dark brown layer of oil. depending on the quantity spilled oil tends to quickly spread out over the water surface to a thickness of about 1 millimeter. However, from the air, it is imp [..]

The uptake and retention of a bioavailable chemical from any one of or all possible external sources (water, food, substrate, air).

Chemicals that are able to penetrate permeable tissues of an organism.

A measurement of the effects of a substance on living organisms

 

Biological response indicator devices for gauging environmental stressors, Project 4 of the Superfund Program. More information.