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Page 1 of 2 <br /> Garrett Backus [EH] <br /> From: Garrett Backus [EH] <br /> Sent: Monday, July 19, 2010 2:33 PM <br /> To: 'Haines, Cheryl' <br /> Subject: RE: Kent's Oil Service, Manteca, CA <br /> Cheryl, <br /> The Regional Water Quality Control Board contact for this case is Duncan Austin, (916)464-4712, Central Valley <br /> Regional Water Quality Control Board, DAustin@waterboards_ca.gov. My agency referred the Kent's Oil case to him on <br /> July 6. 1 forwarded the analytical results to him. Contact him to get closure of this case. <br /> need to receive the stockpile analysis, profile information and non-hazardous manifest for the stockpile. I believe this <br /> material is going to Forward landfill if the analytical results are in the acceptable range. <br /> Garrett Backus <br /> Senior Registered Environmental Health Specialist <br /> San Joaquin County Environmental Health Department <br /> 600 E Main Street,Stockton CA 95202-3029 <br /> telephone: (209)468-2986 <br /> fax: (209)468-3433 <br /> email: gbackus@sjcehd.com <br /> From: Haines, Cheryl [mailto:Cheryl.Haines@arcadis-us.com] <br /> Sent: Monday, July 19, 2010 1:41 PM <br /> To: Garrett Backus [EH] <br /> Cc: Hull, David; Hackman, Scott; Amy Paplanus <br /> Subject: Kent's Oil Service, Manteca, CA <br /> Good Afternoon Garrett, <br /> ARCADIS received the following analytical results from the shallow native soil samples collected beneath <br /> the chip seal and recycled asphalt base. <br /> The TPH DRO concentrations reported by the laboratory ranged between 71 and 210 mg/kg. The <br /> analytical laboratory provided a narrative indicating that the soil samples contained heavy-end material <br /> consistent with asphalt. Based upon the laboratory information, the reported concentrations elutes in the <br /> DRO range. The laboratory reported that SS-1 and SS-2 contained minor amounts of diesel fuel <br /> hydrocarbons that appeared weathered. <br /> Based upon the San Francisco Bay, Regional Water Quality Control Board, Environmental Screening <br /> Level (ESL) look up table for soil (Table K-2), the ESL for TPH (middle distillates)for Worker's Protection <br /> at a Commercial Property is 450 mg/kg. <br /> Based upon the attached analytical results and interpretation by the laboratory, it appears that the diesel <br /> spill has not impacted native soil beneath the chip seal and recycled asphalt layer at the Site. <br /> Please feel free to call us if you have any questions or comments. <br /> Cheryl Haines cheryl.haines@arcadis�us.com <br /> ARCADIS U.S., Inc. I mailing address: 10580 N. McCarran Boulevard, Suite 115-1021 Reno, NV 89503 <br /> T. 775-224-9607 1 F. 916.786.0366 <br /> 7/19/2010 <br />