Berghage et al. (2009) Berghage R. D., Beattie D., Jarrett A. R., Thuring C. & Razaei F. 2009. Green roofs for Stormwater Runoff Control. Report USEPA, EPA EPA/600/R-09/026, Feb. 2009. www.epa.gov/ord. Sampled events 2005-2006. EPA, Cincinnatti, Feb. 2009. Geometric means, plaza green roof in Storrs, CT, from Sept. 2 2009 to Feb. 1 2010