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11/29/99 MON 16:51 FAX 9168539297 BSS Sacramento Q002 <br /> 3140 Gold Calmp Drive, Suite 160 <br /> Rancho Cordova, CA 95570 <br /> (915) 853-9293 FAX (916) 853-9297 <br /> November 29, 1999 Project No 07400230 <br /> Mr.Kevin Post <br /> URSA Engineering ENVIRONMENTAL HEALTH DIVISION <br /> 3963 Eastside Road 304 E. Weber Ave.Third Floor <br /> Redding, CA 96401 P. O. Box 388, Stockton CA 95201-0388 <br /> Approved 0— <br /> Denied [l <br /> Subject: Workplan-Soil Boring Investigation Conditions <br /> Jiffy Lube <br /> 1.130 N. Main Street Date I` . 0 by <br /> Manteca, Calxfoznia �y���o�4{rban <br /> Dear Mr.Post= a5 —X <br /> �/ T —X �s <br /> vl Y�� Cj�/ w-Y O-C 0C16)-"r4tgC'0 loyk.. P D)�'e <br /> S� /IQ.� o r �vt 441s-- !so it <br /> At your request,BSK.&Associates(SSK)has prepared this workkplan to conduct a soil boring <br /> investigation at the above referenced site. The scope of work,based on discussions with you, �r� sel-� <br /> l�e0. <br /> and with Mr. Jeff Wong of the San Joaquin County Public Health Services,Environmental 4i e <br /> Health Division (PHS-EHD),consists of advancing one soil boring through the f4 mer Quo b � <br /> underground storage tank(UST)excavation for the collection of soil and groundwater samples. Y <br /> U 6;� <br /> So10 'FoZO <br /> PURPOSE AND SCOPE Z. Pgo v I pe PRo p62.LV cht.l WiG0 <br /> 00 rkI P 11) c-yx -Cts.Id . <br /> Analytical results of a sail sample obtained from the bottom of the excavation of a waste oil UST .j, scPCn)Lr-- <br /> indicated that methyl tertiary-butyl ether(MTBE)remained in soil beneath the former UST at a Wo -V% w/ <br /> concentration of 6.5 pg&g, at a depth of approximately 12 feet below ground surface(bgs)_ The F 5ICk© A-r <br /> purpose of the soil boring investigation wiiIl be to obtain data regarding the vertical migration of 6CAS7' 4-Sr <br /> waste oil constituents, and data regarding impact to gmundwater. Groundwater is anticipated to N /N <br /> be 14 to 17 Feet bgs in the vicinity the site. AWANcc o-r— wop-K. <br /> METHODOLOGY <br /> This workplan includes descriptions of methodologies anticipated for conducting the soil boring <br /> investigation_ <br /> Project Planning and Permitting <br /> BSK will obtain one soil boning permit from the PHS-EHD_ The site is currently under an active <br /> Undergro»nd Service.Alert ticket. URSA,Engineering will keep the ticket active until their <br /> project is completed. <br /> Geotechnicai Engineering a Engineering Geology• Environmental Services • Construction Inspection&Testing 9 Analytical Tenting <br />