District Solvent Evaporation Methodologies - Asphalt Paving/Roofing Contact Email charanya.varadarajan@arb.ca.gov Phone (279) 208-7320 Districts MethodologiesImperial County Air Pollution Control DistrictAsphalt Paving (February 2016)San Joaquin Valley Air Pollution Control DistrictAsphalt Paving (2008, revised January 2011)No district methodologies have been submitted for the Asphalt Roofing category.