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San Joaquin County DIRECTOR <br /> o N Donna Heran, REHS <br /> Environmental Health Department p ASSISTANT DIRECTOR <br /> 600 East Main Street Laurie Cotulla, REHS <br /> Q <br /> X Stockton, California 95202-3029 PROGRAM COORDINATORS <br /> N ` Carl Borgman,REHS <br /> • Mike Huggins, REHS, RDI <br /> oq<I F o R`' P Website: www.sjgov.org/ehd Margaret Lagorio,REHS <br /> Phone: (209) 468-3420 Robert McClellon,REHS <br /> Fax: (209) 464-0138 Jeff Carruesco,REHS,RDI <br /> Kasey Foley, REHS <br /> August 28, 2008 <br /> Casey A. Matt <br /> 848 First Street <br /> Escalon, CA 95320 <br /> Subject: CA Matt <br /> 1303 First Street <br /> Escalon, CA 95320 <br /> San Joaquin County Environmental Health Department (EHD) has reviewed Work Plan for <br /> Soil Investigation Beneath Former USTS (Work Plan) dated August 25, 2008, submitted on <br /> your behalf by Ground Zero Analysis, Inc. (Ground Zero) and has the following comments. <br /> In the Work Plan Ground Zero proposes the advancement of five direct push soil borings to <br /> total depths of 25 feet below surface grade to collect soil samples for laboratory analysis. <br /> The soil samples will be collected from areas believed to be beneath the former underground <br /> storage tanks (USTs) and between the former dispenser island and boring B-4, which was <br /> installed in 1996 as part of a different investigation. <br /> The EHD approves the Work Plan with the condition that the soil sample analytical suite <br /> includes the following: <br /> 1. Total petroleum hydrocarbons as gasoline and diesel by EPA Method 8015. <br /> 2. Benzene, toluene, ethylbenzene and total xylenes by EPA Method 8020 (or 8260). <br /> 3. Total lead by EPA Method 7420. <br /> 4. Methyl tertiary butyl ether, tertiary butyl alcohol, di-isopropyl ether, ethyl tertiary butyl <br /> ether, tertiary amyl methyl ether, 1,2-dichloroethene and ethylene dibromide by EPA <br /> Method 8260. <br /> Please proceed with submittal of an EHD soil boring permit application and required $89.00 <br /> permit fee; an EHD Master File Record Form and $315.00 site mitigation fee for report <br /> review and inspections (staff time billed at $105 per hour), and with scheduling the approved <br /> work. Deadline for implementation of the Work Plan is November 7, 2008; the report of <br /> findings documenting the results of the investigation is due for submittal within 60 days <br /> following completion of the fieldwork. If you have any questions please call Lori Duncan at <br /> (209) 468-0337. <br /> Sincerely, <br /> Lori Duncan, REHS Margaret Lagorio, REHS <br /> Senior Registered Environmental Health Specialist Program Coordinator <br /> c: Jim Barton, CVRWQCB, 11020 Sun Center Drive, Ste. 200, Rancho Cordova, CA 95670 <br /> Eric Price, Ground Zero Analysis, Inc., 1714 Main Street, Escalon, CA 95320 <br />