Region 6 delegation documents are provided below for the State of Oklahoma. The delegation documents are a technical reference to federal rules that may be delegated to a state.
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Technical Information
Region 6 delegation documents are organized and provided in PDF format for each state/local partner. Federal Register Notices ensure accuracy of specific delegation authorities, but Region 6 delegation letters are also provided, when available, for further detail about a specific delegation agreement. The type of delegation is predominantly identified based upon the term Partial Delegation (refers to administrative and technical delegation authorities as specified in each rule) or the term Full Delegation (refers to both implementation and enforcement authorities as specified in each rule). However, please note that Tribal Lands are excluded from State Delegations, as are lands within the jurisdiction of those local authorities that have been authorized for program implementation within the State. Delegations are also delineated in the record title information by Initial, Amended/Revised, or Updated types of delegation agreements, always in chronological order for ease of reference. The type of delegation mechanism used by a delegation authority may also be included in each record’s summary description, such as Incorporation by Reference.
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Initial NSPS/NESHAP Delegation (R6 Ltr) (PDF)(5 pp, 132 K)
Effective 03/25/1982 - Delegation for Existing and Future Standards; see corresponding FR Notice.
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Initial NSPS/NESHAP Delegation (04/22/1982) (PDF)(1 pg, 142 K)
Effective 03/25/1982 - Delegation of Existing and Future Standards.
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Revised NSPS/NESHAP Delegation (07/26/1983) (PDF)(2 pp, 277 K)
Effective 06/20/1983 - Sub-Delegation for NSPS and NESHAP from State to Tulsa City-County Health Department.
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Revised NESHAP Delegation (10/14/1983) (PDF)(1 pg, 142 K)
Effective 10/14/1983 - Full Delegation via Oklahoma Reg 3.8, Approved as part of SIP.
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Addendum to Exclude NSPS Subpart AAA from Delegation Agreement (PDF)(2 pp, 292 K)
Effective 07/27/1989 - 40 CFR Part 60 Subpart AAA - NSPS for Residential Woos Heaters, as promulgated by EPA on 02/26/1988 at 53 FR 5860, removed from Delegation Agreement (all R6 States).
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Initial MACT Delegation and Revised NESHAP (01/09/2001) (PDF)(9 pp, 1 MB)
Effective 03/12/2001 - Full Delegation for MACT NESHAP Part 63 Specified Source Categories and Revised mechanism for NESHAP Part 61 unchanged standards - in the future, Effective Date is the date of EPA letter in response to State Request (FR Notice to be provided also).
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Update to NESHAP and MACT Delegations (02/24/2015) (PDF)(7 pp, 277 K)
Effective 04/27/2015 - Update to NESHAP and MACT Delegations for specified standards and/or sources, as promulgated through 09/01/2006.