Multiple entries were found for '60 FR 55521'
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- Clean Air Act Proposed Approval of the Federal Operating Permits Program; California State Implementation Plan Revision; San Joaquin Valley Unified Air Pollution Control District
- Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines: Regulations Requiring On-Board Diagnostic (OBD) SystemsAcceptance of Revised California OBD II Requirements
Federal Register citations are by volume and page number. Volume maps directly to the year of publication, with 1994 being 59, and 2009 being 74.
