Oklahoma Administrative Code (Last Updated: March 11, 2021) |
TITLE 252. Department of Environmental Quality |
Chapter 690. Water Quality Standards Implementation |
Subchapter 3. Point Source Discharges |
SECTION 252:690-3-85. Development of permit limitations for the implementation of mineral constituent criteria to protect the Agriculture beneficial use
Latest version.
- The higher of 250 mg/l or the limiting LTA is used to develop chloride and sulfate permit limitations. The higher of 700 mg/l or the limiting LTA is used to develop TDS permit limitations.(1) MAL. MALCL, MALSO4 and MALTDS are each determined on a 95% probability basis according to Equations H-8, H-9 and H-10, respectively.(2) DMLs. DMLCL, DMLSO4 and DMLTDS are also determined on a 95% probability basis according to Equations H-11, H-12 and H-13, respectively.