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Project 113-13 <br /> July 9, 1993 <br /> Page 3 <br /> drums are full, disposal options will be determined and documented in future ' <br /> reports. A copy of the Water Sample Data Forms are attached to this report. <br /> The samples were analyzed for TPH-gasoline, and BTEX using EPA Methods 8015 <br /> and 8020, respectively. A copy of the laboratory reports and Chain of Custody form <br /> are attached to this report <br /> Table 2 <br /> Cheaper Store #76 <br /> 890 North Main Street, Manteca, California <br /> Groundwater Sample Analysis Results* <br /> TPH-g and BTEX <br /> Samples Collected on July 1, 1993 <br /> Sample # TPH-g Benzene Toluene Eth lbenzene Xylenes <br /> MW-1 ND < 50 ND <0 5 ND <0 5 ND <0.5 ND <0.5 <br /> MW-2 ND < 50 ND <0.5 ND <05 ND <0.5 ND <0.5 <br /> MW-3 ND < 50 ND <0.5 ND <0.5 ND <0 5 ND <0.5 <br /> MW-4 ND < 50 ND <0 5 ND <0 5 ND <0.5 ND <0 5 <br /> * Sample results are in µg/L or parts per billion <br /> The sample analyses show TPH as gasoline, Benzene, Toluene, Ethylbenzene and <br /> Xylenes were not detected. These amounts are a drop from the barely detectable <br /> amounts detected in March, 1993. <br /> III Future Directions <br /> At this time future remediation and investigation efforts will not be discussed. <br /> These items will be addressed when the last quarter of this year's quarterly <br /> monitoring is completed. <br /> This report should be forwarded to the San Joaquin County Department of Health <br /> Services and to the Central Valley Regional Water Quality Control Board. <br /> Sincerely; <br /> PARKER ENVIRONMENTAL SERVICES <br /> James D. Parker James A. Jacobs, R G. #4815 <br /> President Principal Geologist <br /> Attachments <br /> Parker Environmental Services 190 East 7th Street Pittsburg CA 94565-6116 <br /> Phone (510) 439-1024 Fax (510) 439-2566 <br />