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3. Starcrest Consulting Group, LLC. Port of Los Angeles Inventory of Air Emissions - 2012;http://www.portoflosangeles.org/pdf/2012_Air_Emissions_Inventory.pdf.
4. Starcrest Consulting Group, LLC. Section 2: Ocean-Going Vessels. In Port of Long Beach Emissions Inventory; 2013; http://www.polb.com/civica/filebank/blobdload.asp?BlobID=11375.
5. California Air Resources Board. (2012) Estimated Annual Average Emissions (Los Angeles County);http://www.arb.ca.gov/app/emsinv/2013/emssumcat_query.php?F_DIV=-4&F_DD=Y&F_YR=2012&F_SEASON=A&SP=2013&F_AREA=CO&F_CO=19.