Oklahoma Administrative Code
Title 252 - Department of Environmental Quality
Chapter 690 - Water Quality Standards Implementation
Subchapter 3 - Point Source Discharges
Section 252:690-3-13 - Background monitoring location
Universal Citation: OK Admin Code 252:690-3-13
Current through Vol. 41, No. 13, March 15, 2024
(a) Streams. The permittee must collect background samples at a point away from the stream bank, as close as is feasible to the channel, immediately upstream of the point of discharge, but not affected by it.
(b) Lakes. The permittee must collect background samples at a point away from the waters edge and outside the regulatory mixing zone.
Added at 19 Ok Reg 1721, eff 6-13-02
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