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Water: Module 5

Basic Course: Key Concepts (Module 5.h)

Site-Specific Criteria: When Allowed

Module 5. Water Quality Flexibilities

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Site-specific criteria can be used to address any one or more of the following situations. (Select the linked items listed below to view when site-specific criteria are allowed.)


Situation #1

The sensitivities of species at a site differ from those used to develop national water quality criteria.

Situation #2

The physical/chemical characteristics of a site alter the bioavailability/toxicity of a pollutant.

Situation #3

A State/Tribe wants to establish a criterion equal to “natural background” levels.

learn-more2
Learn More. Protocols/procedures for developing site-specific criteria. Proceed to the Learn More Topic. » (Note: This link launches a pop-up window.)

Disclaimer:
For informational purposes only–Not official statements of EPA policy.

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