McPherson et al. (2005)

McPherson T. N., Burian S. J., Stenstrom M. K., Turin H. J,. Brown M. J. & Suffet I. H. 2005. Dry and Wet Weather Flow Nutrient Loads From a Los Angeles Watershed. Journal of the American Water Resources Association (JAWRA) 41(4):959-969.
Wet wheather Flow Median Event Mean Concentrations. the LAPW Storm Water Monitoring Program During 1994 to 2000.