The City of Los Angeles has developed an award-winning program of biosolids reuse. The most copious strategy has been farmland application of mesophilically digested, dewatered cake. Approximately 800 wet tons per day are transported 110 miles from the Hyperion Treatment Plant in El Segundo to Kern County. Recently, however, Kern has adopted an ordinance that will require a Class A designation for biosolids as of January 2003. In some aspects this ordinance is more restrictive than the EPA part 503 regulation. As a consequence, the City has initiated a comprehensive testing program in order to ensure compliance.
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