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TABLE 3-3 <br /> HISTORICAL GROUNDWATER ELEVATION AND ANALYTICAL DATA, 1992-1999 <br /> CALTRANS -STOCKTON YARD MAINTENANCE STATION, STOCKTON, CALIFORNIA <br /> Depth to Ground- `- Ethyl, Total TOC Elevation TPH-9 TPH«cI Benzene TolueneMTBE VQCs <br /> Well I D. Date Ground- water Elevation benzene Xylenes <br /> (ft above MSL} water (ft above MSL) (�91L} (0911.) (lash-} {}fg�l-1 (P�-) WIL1 {N9lI-? (POIL) <br /> MW-1 416192 2149 6596 -4447 4,900 180' 1,100 360 <br /> <3 400 NA NA <br /> MW-1 10/22/93 2149 6792 4643 27,000 NA 11,000 1,500 <50 1,400 NA NA <br /> MW-1 611194 2149 6568 -4419 1,500 <50 13,700 418 145 206 NA NA <br /> MW-1 316195 2149 6501 4352 2,200 280 150 75 13 71 NA NA <br /> MW-ldup 316195 2149 6501 4352 2,300 NA 150 80 13 71 NA NA <br /> MW-1 3!8195 2149 6503 4354 NA NA NA NA NA NA NA NA <br /> MW-1 512195 2149 6418 4269 NA NA NA NA NA NA NA NA <br /> MW-1 515195 2149 NA NA 2,900 <50 240 110 13 100 NA NA <br /> MW-1 216/96 2149 6203 4054 2,200 <50 280 130 30 110 100 NA <br /> MW-i 4/11196 2149 6123 -3974 NA NA NA NA NA NA NA NA <br /> MW-1 4123196 2149 6098 -3949 4,200 680 1 100 300 123 300 25 NA <br /> MW-1 712196 2149 5992 -3843 51,000 2,600 10,100 7,200 1,100 6,600 38 NA <br /> MW-1 10/23/96 2149 6016 -3867 1,700 87 440 37 49 70 32 NA <br /> MW-1 5129197 2149 5516 -3367 1,700 <500 210 7 36 22 4 NA <br /> MW-1 10/22/97 2149 5753 -3604 720 <500 18 58 27 3 26 NA <br /> MW-1 12/29/97 2149 5672 -3523 60 <5000 059 18 <05 17 <5 <5 <br /> MW-1 3116198 2149 5331 -3182 70 90 21 23 <0 5 21 <5 ND <br /> MW-1 6126198 2149 4948 -2799 <500 <5000 <0 3 <0 3 <0 3 <0 6 (<5) 31 <br /> MW-1 9/28198 2149 5136 -2987 <500 <5000 <03 <0 3 <03 <06 <0 6(<5) ND <br /> MW-1 1 1212198 2149 4948 -2799 <500 <400 50 40 30 14 <1 0(<1 0) 274 <br /> MW-1 411199 2206 4595 -2389 <100 <100 <0 1 1 <02 <0 1 <0 1 <0 6 NA <br /> MW-1 6125199 2206 4634 -2428 <100 <100 226 <02 1 <0 2 160 <0 6 NA <br /> MW-1 9122199 2206 4920 -2714 <100 <100 <0 3 <0 2 <0 2 <04 <06 NA <br /> MW-2 416192 2171 6617 -4446 3,200 73* 450 12 <3 49 NA NA <br /> MW-2 10122!93 2171 6812 4641 4,500 NA 1,000 93 25 170 NA NA <br /> MW-2 611194 2171 6585 4414 588 <50 337 151 <2 5 457 NA NA <br /> MW-2 316195 2171 6528 4357 1,400 100 150 10 53 15 NA NA <br /> MW-2 318195 2171 6521 4350 NA NA NA NA NA NA NA NA <br /> Page 1 of 9 S 1PROJ14104010004ISYYARDhisforicgwlSummary <br />