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Project No. E6576.001 �itional Groundwater Sampling/W. Clover d 22 March 1995 <br /> i <br /> _ r <br /> 1 <br /> TABLE 1 <br /> (continued) <br /> i <br /> Water Samples: <br /> (ppb) <br /> L <br /> Sample Motor Benzene Toluene Ethyl Total <br /> ID Oil Benzene Xylenes <br /> B-3 ND ND ND ND ND U <br /> (grab 61 <br /> sample) <br /> ✓ MW-1 ND ND ND ND ND ,D�2l1Qy <br /> ✓ MW-2 ND ND 0.9 ND 1.5 <br /> ✓ MW-3 ND ND 0.6 ND 1.2 <br /> MW-4 ND ND 0.9 ND 2.5 <br /> Re-run <br /> ✓ MW-1 ND ND ND ND ND <br /> MW-2 <br /> ND ND 0.4 ND 1.1 <br /> MW-3 ND ND ND ND 0.9 <br /> CMW-4 ND ND 1.3 ND 2.4 <br /> Detection 50 0.3 0.3 0.3 0.3 <br /> Limit <br /> Analysis 3510/8015 602 602 602 602 <br /> Method <br /> ND = not detected <br /> EXCAVATION OF CONTAMINATED SOIL <br /> Although significant levels of contamination were not found in the drilling and monitor <br /> well samples, it was the opinion of San Joaquin County (PHS-EHD) that quantification and <br /> probably remediation of the contaminated soils evidenced in the exploratory borings was <br /> rnecessary. The chosen method of remediation was excavation according to our Amended <br /> 6• Work Plan (Reference 3). This was done on 3, 7, and 8 November 1994. The contaminated <br /> ,J <br /> TERRASEARCH, INC. Page 6 <br />