EPA's Region 6 Office
Serving: Arkansas, Louisiana, New Mexico, Oklahoma, Texas, and 66 Tribal Nations
Oklahoma Codification Records
Initial Codification
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- 10/12/93 FR Notice (58 FR 52679) (PDF, 4 pgs, 1.3M)
- September 1993 EPA Binder (PDF, 107 pgs, 13.7M)
Codification Update #1
- 4/30/98 FR Notice (63 FR 23673) (PDF, 4 pgs, 710k)
- August 1997 EPA Binder (PDF, 101 pgs, 21.7M)
Codification Update #2
- 8/26/99 FR Notice (64 FR 46567) (PDF, 5 pgs, 984k)
- November 1998 EPA Binder (PDF, 96 pgs, 24.5M)
Codification Update #3
- 8/27/03 FR Notice (68 FR 51488) (PDF, 5 pgs, 74k)
- March 2001 EPA Binder (PDF, 95 pgs, 14M)
Codification Update #4
- 6/28/10 FR Notice (75 FR 36546) (PDF) (5 pgs, 152k)
- April 2009 EPA Binder (PDF) (63 pgs, 9.41M)