Tocc_Patr_012_MixturesBarGraph_l.png

By Environmental Health Program 2012 (approx.)

Red line showing 2 or more contaminants and blue line showing human-health benchmarks

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Detailed Description

About 4 percent of source-water samples contained mixtures of two or more contaminants with concentrations greater than individual human-health benchmarks. (From Toccalino and others, 2012, Science of The Total Environment).

Sources/Usage

Public Domain.