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3 :3! y y 3c Table 3 Sumsary of Resaulta of Ground Water Sampling Chevron Service Station # 9-4275 2905 West BenUmin Holt Drive. Stockton. California � .. Concentr&tions in parts par billion (ppb) �. _ WELL DATE OF CASIH:, DEPTH GROUP-] TPH-G TOO 8 T E % 1.2 1.2 F113 LAB ID SAMPLING/ ELEVATION TO WATER DCA DCB MONIT011ING WATER ELEVATION MW-1 03-22-89 2.24 16.29 -14.05 30000 ND13000 3600 1300 1100 2700 HDt50 ND<1O NDt50 CCAS MW-.1 06-12-89 2.24 13.91 -14.67 20000 --^ 4400 1600 2900 5900 HD<20 ND420 ND<100 Sl.L .17 MW-1 09-•07-89 2.24 16.38 -16.14 20000 --- 4100 480 920 1500 ND<l0 NO410 NDtSO CCAS MW-1 12-18-09 2.24 17.60 -15.36 17000 --- 4200 200 17 1200 --- --- - - PA_£ t- 4W-1 03-20-90 2.24 17.22 -14.98 13000 --- 6400 580 2200 1200 --- --- - PACE "W-1 07-03-90 2.24 10.04 -15.80 17000 --- 4800 410 1300 1200 --- --- --- PAC'Z MW-1 10-19-90 2.11 -19.34 -17.10 16000 --- 4800 290 1700 700 --- --- --- PACE MW-11) 10-19-90 2.24 19.34 -17.10 17000 5600 270 1700 660 --- --- --- PACE 03-22-89 3.41 17.54 -14:13 9000 N043000 750 20 480 730 HDt10 ND410 ND450 CCAS MW-2 06-:2-99 3.41 18.19 -14.78 ND<SOOOO --- 1200 80 710 570 ND120 ND420 ND4100 CCAS MW-2D 06-12-89 3.41 18.19 -14.76 11000 --- 1400 90 790 1100 HDt10 h0<20 ND4200 CCAS MW-2 09-07-89 3.41 19.66 -16.25 14000 --- 3200 NDt200 1200 800 NDt5O HD.50 ND4200 CCAS fi MW-2 12-16-89 3.41 10.85 -15.44 10000 --- 2500 NDt25 1300 340 --- --- --- PACE MW-2 03-20-90 3.,41 18.49 -15.08 13000 --- 4800 88 2100 1500 __.. --- PACE MW-2 07-03-90 3.41 19.07 -15.66 21000 . --- 5700 600 1900 1700 --- --- --- PACE h-A-?n' 07-03-90 3.41 19.07 -15.66 14000 --- 5000 400 2000 920 --- --- --- PACE MW-2 10-10-9D 3.41 20.06 -16.65 11000 --- 4400 77 190 340 --- --- --- PACE k v NW-3 03-22-69 2.40 16.51 -14.11 ND4500 NU0000 NDt0.2 ND<0.2 ND<0.2 NDt0.4 ND<0.2 HO40.2 NDt! CCAS MW-3 06-12-89 2.40 17.19 -14.79 ND450 --- ND0.1 ND<0.5 ND0.1 ND4O.2 ND<0.1 ND42.4 NDt1O0 CCAS *, MW-3 09-07-89 2.40 18.64 -16.24 HD450 --- ND40.2 ND<1.0 ND40.2 ND40.4 ND<0,2 ND40.2 ND<1.0 CCAS MW-3 22-18-89 2.40 17.78 -15.36 NDt50 --- ND<0.5 ND40.5 ND0.5 ND0.5 --- --- --- PACE MW-3 03-20-90 2.40 17.55 -15.15 ND450 --- ND40.5 ND<0.5 ND0.5 ND40.5 --- --- - PACE MW-3 07-03-90 2.40 16.71 -16.31 NDt50 --- ND0.5 ND40.5 ND40.5 VD0.5 --- --- --- PACE MW-3 10-19-90 2.40 19.63 -17.23 ND450 --- NDt0.5 ND<O.5 ND40.5 HIJ0.5 --- --- --- PACE Mid-4 03-22-89 2.81 16.29 -13.48 ND450O MD43000 ND40.2 ND%0.2 HD<0.2 ND<0.A ND0.2 ND40.2 NDtl CCAS 'HW:--4 06-12-69 2.81 16.97 -14.16 MD4100 --- ND<0.2 14D:1.0 NDt0.2 MD40.4 0.4 5.3 NDtl CCAS MW-4 09-07-89 2.81 18.35 -15.54 170 --- 1.7 ND41.0 ND40.2 ND<O.4 0.9 5.3 NDtl CCAS k MW-4 12-18-89 2.61 17.80 -14.99 ND450 --- ND10.5 ND40.5 ND40.5 HD<0.5 ND40.53.3 --- PACE Mid-4 03-2t'-90 2.81 17.40 -14.59 85 --- 2.9 ND40.5 HD<0.5 0.9 NDt0.5 2.3 --- PACE MW-4 07-0s-90 2.81 18.05 -15.24 93 --- ND40.5 ND40.5 ND0.5 ND<0.5 --- --- --- PACE �` x MW-4 10-19-90 2.8f 19.50 -16.77 73 --- ND<0.5 2.8 1.5 H040.5 --- --- --- PACE 1; 10-Jan-9I Page 1 k, r 3