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9VAC25-40-40. Permit amendments.

Whenever the board determines that a permittee has the potential for discharging monthly average total phosphorus concentrations greater than or equal to 2.0 mg/l or monthly average total nitrogen concentrations greater than or equal to 10 mg/l to "nutrient enriched waters," the board may reopen the VPDES permit to impose monitoring requirements for nutrients in the discharge.

Statutory Authority

62.1-44.15 of the Code of Virginia; 303 of the federal Clean Water Act.

Historical Notes

Derived from VR680-14-02 4, eff. May 25, 1988; amended, Virginia Register Volume 22, Issue 3, eff. November 16, 2005.

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