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• Unpaved Roads - Background Documentation

AP-42 Section 13.2.2 Unpaved Roads
- Background Documentation

• Technical Memorandum for final - December 2003 version (PDF 24K)
• Background Document - Emission Factor Documentation for AP-42 Section 13.2.2 Unpaved Roads - September 1998 (PDF 530K)

AP 42 Emissions Factors by Chapter

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