When reference is made to Title 40 of the Code of Federal Regulations (40 CFR), it shall mean (unless otherwise specified): the Hazardous Waste Regulations, Monday, May 19, 1980, as amended through July 1, 2024.

Added at 16 Ok Reg 244, eff 11-2-98 (emergency)

Added at 16 Ok Reg 1819, eff 6-11-99

Amended at 17 Ok Reg 1475, eff 4-10-00 (emergency)

Amended at 17 Ok Reg 1896, eff 6-12-00

Amended at 18 Ok Reg 1945, eff 6-11-01

Amended at 19 Ok Reg 1661, eff 6-13-02

Amended at 20 Ok Reg 1604, eff 6-12-03

Amended at 21 Ok Reg 1520, eff 6-11-04

Amended at 22 Ok Reg 1452, eff 6-15-05

Amended at 23 Ok Reg 931, eff 6-15-06

Amended at 24 Ok Reg 580, eff 1-4-07 (emergency)

Amended at 24 Ok Reg 1281, eff 6-15-07

Amended at 25 Ok Reg 1129, eff 7-1-08

Amended at 26 Ok Reg 1192, eff 7-1-09

Amended at 27 Ok Reg 1170, eff 7-1-10

Amended at 28 Ok Reg 644, eff 7-1-11

Amended at 29 Ok Reg 620, eff 7-1-12

Amended at 30 Ok Reg 494, eff 7-1-13

Amended at 32 Ok Reg 953, eff 9-15-15

Amended at 33 Ok Reg 1463, eff 9-15-16

Amended at 35 Ok Reg 1284, eff 9-15-18

Amended at 36 Ok Reg 1595, eff 9-15-19

Amended at 37 Ok Reg 1288, eff 9-15-20

Amended at 38 Ok Reg 1810, eff 9-15-21

Amended at 39 Ok Reg 1055, eff 9-15-22

Amended at 40 Ok Reg 2015, eff 9-15-23

Amended at 41 Ok Reg, Number 23, effective 9-15-24

Amended at 42 Ok Reg, Number 22, effective 9-15-25