SITE INFORMATION AND CORRESPONDENCE

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California Regional Water Quality Control Board L \% Central Valley Region tee` Katherine Hart,Chair Linda S.Adams 11020 Sun Center Drive 9200,Rancho Cordova,California 95670-6114 Arnold Secretaryfor Phone(916)464-3291 •FAx(916)464-4645 Schwarzenegger Environmental Protection http://www.waterboards.ca.gov/centralval I ey Governorro r,— C1 I C: , „�(-� LI�(1fllft�IAa Ili^7 iUiJ��{k 26 May 2010 ENVIROWEN T `{EALI'H PERMIT'SERVICE Ms. Anne Ogrey Spreckels Sugar Company P.O. Box 60 Tracy, CA 95378 CONDITIONAL NO FURTHER ACTION DETERMINATION, FORMER HOLLY SUGAR FACILITY, HOLLYDRIVE, TRACY, SAN JOAQUIN COUNTY California Regional Water Quality Control Board, Central Valley Region (Central Valley Water Board) staff reviewed the 28 February 2009 Fourth Quarter Monitoring Evaluation, Fifth Consecutive Quarterly Monitoring Evaluation (Report) submitted on your behalf by John Minney for the former Holly Sugar facility on Holly Drive in Tracy (Site). The Site is the location of a former sugar beet facility. In November 1990, about 500 to 800 gallons of No. 6 fuel oil spilled from a 420,000-gallon aboveground storage tank (AGT) in the northeast corner of the facility. Spreckels emptied the tank in 1997 and no longer operates it. The Report summarizes the site remedial history, sensitive receptor survey, and results of the fate and transport analysis. Spreckels installed 10 soil borings and three monitoring wells at the Site. Monitoring wells were sampled eight times between July 2005 and October 2008. The fate and transport analysis showed that concentrations would not migrate offsite. As described in the enclosed memorandum, the remaining levels of petroleum constituents do not pose a threat to human health, the environment, or waters of the State. However, to reduce the potential for future exposure to the remaining concentrations in soil and groundwater, Spreckels needs to record a deed restriction for the property. Spreckels has satisfactorily completed Site investigation and remedial action, achieved applicable remedial action standards and objectives, and a permanent remedy has been accomplished at the Site. Therefore, no further action is required. This No Further Action Determination is not effective until after Spreckels (1) submits the necessary documentation of the destruction of the monitoring wells in accordance with all applicable County and State requirements and (2) submits proof of recording the enclosed deed restriction. Once proof of appropriate destruction and recording is been received, Central Valley Water Board staff will send written confirmation of the effective date of the Determination. You have six months from the date of this letter to provide the required monitoring well destruction and deed restriction recording documentation. Failure to provide the required documentation will void this conditional No Further Action Determination. Additional California Environmental Protection Agency pia Recycled Paper