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Table 1 Summary of Well Data and VOC Concentrations in Groundwater Third Quarter 2005 Operations,Maintenance and Monitoring(OM&M)Report Caltrans Maintenance Station,Shop 10 VOGs(pan.) N{Nhryi4art$ulyl Well Screens Well Depth to Groundwater TPH as Berme EUVIbenrane Taan. xylems 1 24)kNcrOetham` , sample lTPH as Dlesei eur.ti4reEi IdentificationleSample Date (feet below Elevation Water Elevation Gasoline (pgIL} grade) (feet AMSL)' (feet) (feet AMSL) (palL) Primary MCLS(pWL) 4 0 709 150 1.150 05 1! Secondary MCL(pgfL) i MW 9 6114/1005 4267 2202 5167 2965 l ND<50 ND<50 NO<O 50 ND<D 50 ND<O 50 ND<0 5-1 0 ND<0 50 NO-0 50 9222005 53 31 3129 ` ND-50 ND<50 ND<O 50 ND<0 50 ND<D 50 ND<0 5-1 0 1 ND<0 50 NDQ 50 3 MW 11 611412005 55-75,, 21 23 5062 2959 NO<50 ND<50 ND<O 50 ND<O 50 ND<O 50 N0<0 5-1 0 ND<O 50 ND<O 50 922/2005 52 51 3128 ND<50 ND<50 ---075 ND<O 50 Goo ND<D St 0 ND<O 50 ND<O 50 i MW 12 6/162005 63-76 5103 ND<50 ND<50 ND<O 50 ND<D 50 12 ND<O 6-10 ND<O 50 ND<0 50 1011!2005 5269 ND<50 76 NlI<O 50 ND<050 ND<D 50 ND<O 50.1 0 ND<O 50 ND<O 50 MW 13 616/1005 6590 2112 5167 3055 ND<50 ND<50 ND<O 50 NDcO 50 ND<O 50 ND<O 5-1 D ND<O 50 ND<O 50 101118005 1 53 31 32 19 NDc50 - ND<O 50 NDcD 50 ND<O 50 ND<D 5-10 1 1 NDcO 50 t02020053 ND<50 - MW14A 6162005V66-91 0 5116 7500 150 2200 290 96 79D 55 ND<O 5D J 10/112005 5280 1400 72 330 38 16 02 29 ND<0 50 MW 16 6114/2005 2188 51 65 2977 ND<50' NOc50 NO<O 50 ND<O 50 N13<0 50 N010 5-1 0 ND<0 50 ND<O 50 9222005 { // 5332 3144 1 ND<50 ND<50 NDcO 50 ND<O 50 ND<D 50 ND<0 5-10 ND<O 50 NDcO 50 MWS 19 6/142005 65-90 r 2177 5116 2939 NOc50 ND<50 ND<O 50 1 ND<O 50 NO<O 50 ND<O 5-1 0 ND-0 50 ND-0 50 9222005 5281 3104 ND<50 ND<50 Npc050 ND<050 ND<O 50 ND<D 5-10 ND<D 50 NP<650 MW 20 6/142005 65-90 2252 5167 29 15 ND<50 ND<50 NO<O 50 ND<0 50 ND<O 50 ND<O 5-10 ND<O 50 ND<0 50 9222005 '11 5333 3061 ND<50 110<50 NO<O 50 NO<O 50 ND-0-50 ND<O 5-10 NNO 50 ND<D 50 i MW 24 6162005 64 89 1 21 50 5090 294.0 NO<50 ND<50 ND<O 50 ND<O 50 ND<O 50 ND<D 5-10 ND<O 50 ND<O 50 101112005 1 5264 31 i4 ND<50 ND-5D ND<O 50 ND<O 50 ----ND-0 50 ND<D 5-10 ND<O 50 ND<O 50 MW 25 61142OD5 W75 2195 51 20 2925 ND<50 ND<50 ND<0 5D ND<O 50 ND<0 50 ND<0 5-1 D ND<0 50 ND<O 50 9222005 52 B8 3093 NDc50 NO<50 ND<O 50 ND<0 50 ND<O 50 NOcO rr1 0 ND<0 50 ND<0 50 VM-1 61142005 75-60 5157 1000 120 240 89 1 1 19 21 ND<O 50 10111112005 5321 1200 350 140 12 1363 41 ND<0 50' 102112005' — 250 VM-2 6142005 15-60 51 12 6500 520 1800 L9 310 140 550 84 ND<0 50 tO1t12005 5277 2000 330 420 140 14 212 94 1 ND<050 1 1/1 4120 0 5 I ICALTRANS1Slockton Shop 1MGW Monitonngl3rd Qtr 200510305 OM&M Tables1 3