1. Real-world in-use activity, fuel use, and emissions for nonroad construction vehicles: a case study for excavators;Abolhasani;J. Air Waste Manage. Assoc.,2008
2. Alberta Environment, 1995. Alberta stack sampling code 1995. Report Number ISBN# 0773214062. Prepared by Alberta Environment, Edmonton, AB, Canada. http://www.qp.alberta.ca/570.cfm. Accessed 21 August 12.
3. ASTM, 2008. WK752 Test method for determination of PM2.5 mass and species emissions from stationary combustion sources by dilution sampling. Prepared by American Society for Testing Materials International, Conshohocken, PA.
4. Will the circle be unbroken: a history of the US national ambient air quality standards—2007 critical review;Bachmann;J. Air Waste Manage. Assoc.,2007
5. Baldwin, T.A., Watson, J.G., Neulicht, R., 2012. New test method for measuring fine particulate matter (PM2.5) in wet stacks. In Proceedings, Air Quality Measurement Methods and Technology, Air & Waste Management Association: Piitsburgh, PA, 88-1-88-6.