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Tracy Well Survey Sampling Results <br /> Regional Board Sampling <br /> (reported in ug/1) <br /> Table 1: sites and wells sampled during RWQCB well survey <br /> DDRW-Tracy <br /> well I.D. sample date EPA method CTC CF detection limit <br /> LM-36 9/24/92 601 Trace ND - <br /> LM-70 10/27/92 601 Trace 0.6 - <br /> LM-77 9/29/92 601 Trace Trace - <br /> LM-80 9/30/92 601 Trace ND - <br /> LM-68 10/15/92 601 ND Trace - <br /> LM-69 10/15/92 601 ND Trace - <br /> LM-72 11/4/92 601 ND Trace - <br /> RSP/LM-77 9/29/92 601 ND Trace E <br /> ure Chemical <br /> .D. sample date EPA method CTC CF detection limit <br /> 1 7/21/92 601/602 25.8 148.2 5.0 <br /> MW-2 7/21/92 601/602 ND 133.9 5.0 <br /> MW-3 7/21/92 601/602 ND 18.0 1.0 <br /> MW-4 7/21/92 601/602 ND ND 0.5 <br /> MW-1 12/24/92 601/602 1.4 13.8 0.5 <br /> MW-2 12/24/92 601/602 Trace 231.0 0.5 <br /> MW-3 12/24/92 601/602 ND . 0.7 0.5 <br /> MW4 12/24/92 601/602 ND ND 0.5 <br /> Pond#1 1/28/88 601 7.5 120 - <br /> Pond#2 1/28/88 601 4.3 120 - <br /> Lyoth Loading Station (Hoffman) <br /> well I.D. sample date EPA method CTC CF detection limit <br /> MW-1 12/17/92 601/602 ND ND 0.5 <br /> MW-2 12/17/92 8010 ND ND 200* <br /> Private (Domestic)Wells <br /> well I.D. sample date EPA method CTC CF detection limit <br /> Rose 11/14/91 601/602 1.8 Trace 0.5 <br /> Robertson 11/14/91 601/602 1.4 Trace 0.5 <br /> Robertson ** 11/14/91 601/602 1.5 Trace 0.5 <br /> Rose 11/14/91 601 1.3 ND 0.5 <br /> Rose 11/6/91 601/602 2.0 Trace 0.5 <br /> Robertson 11/6/91 601/602 1.5 Trace 0.5 <br /> Mariam 2/26/93 601/602 ND ND 0.5 <br /> GRM 2/26/93 601/602 ND ND 0.5 <br /> CTC=carbon tetrachloride <br /> CF=chloroform <br /> • Higher detection limit is due <br /> to matrix interference <br /> •• collected at N/side of house Tracy Well Survey <br />