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Central Coast Ambient Monitoring Program California Central Coast Water BoardInterpreting Narrative Objectives for Biostimulatory Substances for California Central Coast Waters Summary

By Karen R. Worcester, Staff Environmental Scientist, David M. Paradies, Ccamp Data Consultant, Mary Adams and Environmental Scientist


shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect beneficial uses. ” In this approach, Central Coast Water Board staff employed Basin Plan Objectives, U.S. Environmental Protection Agency (U.S. EPA) standards, guideline values from the literature, our own monitoring data, and modeled estimates of potential algal growth and resultant oxygen deficits. The resulting numeric endpoints can be used for regional water quality assessments and to support assessment decisions for the California Integrated Report for addressing Clean Water Act Sections 303(d) and 305(b). To conduct this analysis, we have relied heavily upon data collected by the Central Coast Ambient Monitoring Program (CCAMP). CCAMP conducts monitoring for the Central Coast Water Board and is the Central Coast regional component of the California Surface Water Ambient Monitoring Program. CCAMP data can be viewed at We identified a pool of long-term monitoring locations, or “sites”, from the extensive CCAMP dataset that have always met either warm or cold water oxygen objectives based on both monthly grab samples and 24-hour continuous monitoring. From this dataset, w

Year: 2010
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