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PUBLIC HEALT14 SE <br /> SAN J©AQUIN COMITY <br /> JOG]KHANNAM.D.,141H, <br /> Health Officer <br /> P.O.Box 2009 0(1601 Eam Notion A )i Stodaon,CaWorub 95201 ;Wis. N <br /> (W9)468-30) <br /> q4 �qq�� <br /> YA21VTO <br /> LAURINO AND MARY LOU PONTES JUL 2 6X993 <br /> PONTES QUICKI-KLEEN CAR WASH I:NVIERONMENTAIrHFA <br /> 191441 SUTLIFF RRMITISERVICEAA � �, Z��� <br /> ESCALON CA 95320 <br /> RE: Pontes OulcM-Ween Car Wash SITE CODE: 1466 � <br /> 707 East Yosemite Ave <br /> Manteca CA 85336 <br /> Sari Joaquin County Public Health Services, En ironmental Health Division (PHSIEHO) <br /> has completed review of the "Sol Boring Investi 3ation Results Report" dated June 30, <br /> 1903 and prepared by Aegis Environmental. P SJEHD has also recently reviewed the <br /> Canonie lab report dated January 26� 1887. PM /EHO has the following comments for <br /> your consideration. <br /> i <br /> The 1987 Canonie report included the analyk sil results from samples collected on <br /> January 14, 1987 from the excavation associaW with a failed tank predsl+on test and a <br /> piping replacement. Petroleum hydrocarbon co itaminafton was evidence up to 1,500 <br /> ppm Total Extra=ble Hydrocarbon,30 ppm Oft r Volatile Hydrocarbon,2 ppm Toluene, <br /> and 26 ppm Xylene. As you indicated, during a July 13, 1993 consultation, the soil i <br /> samples were collected at between 10 and 12 feel below ground surface. Contamination <br /> which was documented poses a threat to groundwater. Aocording to San Joaquin r <br /> County Flood Control, seasonal high (1986) dWh to groundwater is 15 feet. Additional <br /> soil and groundwater investigation will be necessary. in order to determine the extent of <br /> soil ancVor groundwater contamination. A minim m of three monitoring wails should be <br /> installed so the site gradient can be determined. Existence of a dowrtgracrient well will <br /> be required to determine if groundwater has been impacted. <br /> The 1993 Aegis report included the analytical resu ts, .008 ppm Xylene,from soil samples + <br /> collected at i5 feet on June .23, 1993. The in igation was part of an environmental <br /> assessment, prior to a potential property sale trap action. The results of the arse.-ment <br /> should tae Included in the site Investigation. j <br /> Enclosed Is a Notice of nelmbursement (NOTI) and information regarding the placement <br /> of your site in the Local Oversight Program (LOP) PHSIEHD will provide lead regulatory <br /> oversight of the investigation and remediation of your site. <br /> I <br /> i <br /> A BliAsiom of Sm jtagwa mammy Hrw h(hm sa-Ar;m i <br /> Ii <br /> T O - d cJ :RS SnVS O -1 "1M 14 1.:a"7 N I >10W V S = 0 T 140 W RIs - 9z <br />