Info

Cancer

Source: U.S. Environmental Protection Agency, 1994, EPA 810-F-94-001A (February) (Washington, D.C.: U.S. EPA Office of Water).

^Indicates original contaminants with interim standards which have been revised.

tAction level = 0.015 mg/L

TT = Treatment technique requirement

MFL = Million fibers per liter pCi = picocurie—a measure of radioactivity mrem = millirems—a measure of radiation absorbed by the body

Runoff of herbicide from crop and noncrop applications

Runoff of herbicide onland & aquatic weeds

Chemical production by-product; impurity in herbicides

Herbicide on crops, land/aquatic weeds; rapidly degraded

Pesticide on insects, rodents, birds; restricted since 1980

Herbicide on grasses, weeds, brush

Pesticide production waste by-product

Pesticide production intermediate

Insecticide on apples, potatoes, tomatoes

Coal tar coatings; burning organic matter; volcanoes, fossil fuels PVC and other plastics Herbicide on broadleaf and woody plants Herbicide on grass sod, some crops, aquatic algae Herbicide production; dye carrier Solvent in rubber, other organic products; chemical production wastes

Decay of radionuclides in natural and manmade deposits

Decay of radionuclides in natural deposits

Natural deposits

Natural deposits

Natural deposits

Decay of radionuclides in natural deposits Natural deposits Natural deposits

Natural deposits; smelters, glass, electronics wastes; orchards Drinking water chlorination by-products

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