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Delaware Regulation

DE- Department of Natural Resources and Environmental Control
Regulation Type
Rule #
Regulation 1125
Rule Title
Requirements for Preconstruction Review
State Effective Date
Final Federal Register Date
Federal Register Citation #
78 FR 13496
Superseded /
Rescinded Date
1. Administrative and non-substantive revisions to all sections. The SIP effective date is 10/12/10.
2. Section 3.0 is amended to include NOx as precursor to ozone. The SIP effective date is 10/20/10.
3. Previous SIP-approved revisions to Section 3.1 for nitrogen dioxide increments and Section 3.9A (now designated as Section 3.10.1) for air quality models remain part of the SIP.
4. Revisions to Sections 1.0, 2.0, and 3.0. The State effective date is 2/11/12, and the SIP effective date is 11/1/12 (77 FR 60053).
5. Correction FRN published 11/6/12 (77 FR 66543).
6. Added definitions of "GHG" and "Subject to Regulation." The SIP effective date is 4/1/13.

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