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M..r M■■�I I� I� �TAE&1 r� rr r■r rl r■I r <br /> 4r <br /> SUMMARY OF GROUNDWATER ELEVATION AND ANALYTICAL DATA <br /> CALTRANS MAINTENANCE STATION <br /> STOCKTON, CALIFORNIA <br /> DEPTH TO GROUND- ETHYL- TOTAL,, <br /> TOC TPH-G TPH-D BENZENE TOLUENE _ MTBE - VOCs <br /> WELL I D. DATE GROUND- WATER BENZENE XYLENES <br /> ELEVATIONWATER ELEVATION (N9") (pg/1) (P911) (19111' t19/11 (polli v ` (Ia9l1) (p9i1) <br /> MW-1 416/92 2149 6596 -44 47 4,900 180* 1,100 360 <3 400 ------- NA <br /> MW-1 10/22/93 2149 6792 -4643 27,000 -------_ _11,000_ 1,500 <50_ 1,400_ ------- NA <br /> MW-1 611/94 2149 6568 -4419 1,500_ <50 13,700 418 — 145 206 ------- NA_ <br /> MW-1 —316195_ 2149 6501 4352 — 2,200_ 280 150 75 13 71 -—-- NA <br /> MW-1dup 3/6195 21 49 6501 - 4352 2,300 ------- 150 80 13 71 NA <br /> MW-1 318195 2149 6503 -4354 ------- ------- ------- ------- ------- ------- ------- NA <br /> MW-1 512195 2149 6418 -4269 ------- ------- ------- ------- ------- ------- ------- NA <br /> MW-1 515195 2149 ------- ------- 2,900_ <50 240 110 13 100 ------- NA <br /> MW-1 216196 21 49 6203 -4054 2,200 <50 280 130 30 110 100 NA <br /> MW-1 4111196 21_49_ 6123 -39_74__ - ------- ------- ------ ------- ------- ------- NA <br /> _ <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 5/29197 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 <0 5 17 <5 <5 <br /> MW-1 3116198 21_49 _ 5331 -3182 70 90 21 23 <0 5 21 <5_ ND <br /> MW-1 6126198 ---2i49-- <br /> _ 21 49 —4-9-48 — - --27 99 <50a — —<50a0 - <a 3 —<o-3— —<0-3- <0 6 (<5) _ —3 1 <br /> MW-2 4/6192 2171 6617 4446 3,200 73* - - 450 ---12 <3 - 49 ------ NA <br /> MW-2 10/22/93 2171 6812 -4641 4,500 ------- 1,000 93 25 _1_70 ------- NA <br /> MW-2 611194 2171 -65-85 -4414 588 <50 337 - ---151 <2 5 45 7 ----- NA <br /> MW-2 316195 21 71 6528 -4357 1,400 100 150 10 53 15 ------ NA <br /> MW-2 318195 2171 6521 -4350 ------- ------- ------- ------- ------- ------- ------- NA <br /> MW-2 5!2195 2171 6436 -4265 ------- ------- ------- ------- ------- ------- ------- NA <br /> MW-2 515195 2171 ------- -- - - 600 <50 78 11 25 10 ------- NA_ <br /> MW-2 216196 2171 6296 -4125 <50 <50 23 <03— <0 3 <0 3 <05 NA <br /> MW-2 _4111196 2171 6142 -3971 ------- ------- ------- ------- ______ _--- -_---- NA <br /> MW-2 4122196 21 71 6112 -3941 70 90 69 06 05 <0 5 08 NA <br /> MW-2 711196 2171 60 05 -3834 50 100 35 <0 5_ <0 5 - -- <0 5 — -- 0 5-- NA <br /> MW-2 10/22/96 2171 --60 39 _ -3868 400 204 _ —86—----<0 5 <0 5 _Q 8 80 _ --NA <br /> MW-2 5128197 2171 5544 --33 73 <500 X500 20 <0 3 —05— 10 <0 6 NA <br />