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FR Air Documents
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Approval and Promulgation of Air Quality Implementation Plans; Virginia; Incorporation of On-Board Diagnostic Testing and Other Amendments to the Motor Vehicle Emission Inspection Program for the Northern Virginia Program Area | PDF Version (93K, About PDF)
- Approval and Promulgation of Air Quality Implementation Plans; Texas; Texas Low-Emission Diesel Fuel Program | PDF Version (60K, About PDF)