Oklahoma Administrative Code (Last Updated: March 11, 2021) |
TITLE 252. Department of Environmental Quality |
Chapter 606. Oklahoma Pollutant Discharge Elimination System (OPDES) Standards |
Subchapter 1. Introduction |
SECTION 252:606-1-4. Date of federal regulations incorporated
Latest version.
[Source: Added at 21 Ok Reg 1584, eff 6-11-04; Amended at 22 Ok Reg 1467, eff 6-15-05; Amended at 23 Ok Reg 1768, eff 6-15-06; Amended at 24 Ok Reg 1522, eff 6-15-07; Amended at 25 Ok Reg 2272, eff 7-11-08; Amended at 26 Ok Reg 1901, eff 7-1-09; Amended at 27 Ok Reg 2157, eff 7-11-10; Amended at 28 Ok Reg 1231, eff 7-1-11; Amended at 29 Ok Reg 633, eff 7-1-12; Added at 30 Ok Reg 1083, eff 7-1-13; Amended at 31 Ok Reg 1297, eff 9-12-14; Amended at 32 Ok Reg 977, eff 9-15-15; Amended at 33 Ok Reg 1471, eff 9-15-16; Amended at 34 Ok Reg 1224, eff 9-15-17; Amended at 36 Ok Reg 1607, eff 9-15-19]