Introduction Background Objectives and scope Acknowledgments Description of study area Catchment area selection and description I nstrumentation : Equipment used Operation of equipment Data collection 11 Rainfall and runoff quantity data 11 Rainfall and runoff quality data Rainfall quality samples Runoff quality samples Runoff data collection for special studies ERA 129 priority pollutants study ERA NURP special metals study Atmospheric dry-deposition samples Street-surface particulate samples Dry-weather runoff quality samples Project laboratory procedures 21 Runoff samples 21 Rainfall samples Atmospheric dry-deposition samples Analytical methods Quality assurance EPA 129 priority pollutants study EPA NURP special metals study Data storage References cited ILLUSTRATIONS Page Figure 1. Index map of California showing Fresno study area 2. Photograph of multiple-use stormwater retention basin with inundated baseball diamond 3. Map showing location of catchment areas, and rainfall and runoff monitoring sites Contents 111
FIGURES 14. Measured daily rainfall for the Idyllwild precipitation station and measured and simulated daily streamflow for selected storms between 1950 and 1991 at San Jacinto River near San Jacinto (11069500) streamflow-gaging station in the eastern part of the San Jacinto River Basin, Riverside County, California....... 15. Relation between measured and simulated annual streamflow at the San Jacinto River near San Jacinto (11069500) streamflow-gaging station in the eastern part of the San Jacinto River Basin,
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