Each CCLEAN participating agency was required to implement monitoring of influent, effluent and biosolids for a specified list of PFAS analytes. The collection and analysis of samples were performed according to strigent State of California and Department of Defense protocols that minimized sample contamination due to clothing and sample collection equipment. The program was performed under the auspices of CCLEAN so that ecomonies of scale could be achieved in cleaning sample containers and reporting results. All data were submitted directly to the State’s GeoTracker database.