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<br /> Table I
<br /> GROUND WATER ELVATIONS AND SAMPLE ANALYTICAL RESULTS
<br /> Ruiz Grocery Store
<br /> . 4491 West Durham Ferry Road
<br /> Tracy,California
<br /> Sample Collection TOC DTW GWE SPH TPHg B T E Y MTBE
<br /> No Date (feet) (feet) (feet) (feet) ( .) ( ) (11&/L) {Jig/L) ( ) ( )
<br /> MW-1 9M91 9844 946 8898 000 140 23 13 <0 5 35 ---
<br /> 10/13/91 9844 1081 8763 000 --- --- --- --- ---
<br /> 10/20/91 9844 1115 8729 000 -- --- --- --- --- ---
<br /> 4/9192 9844 1493 8353 003 48,000 430 4,400 1,400 9,200 ---
<br /> 7110192 9844 1288 8536 000 45,000 57 1,200 740 7,300 ---
<br /> 111l93 9844 1632 8220 Oil --- --- --_ -__ _--
<br /> 417193 9844 1558 8294 Oil -- --- --- --- --- ---
<br /> 12/30/93 9844 1498 8360 018 -- --- --- --- --- ---
<br /> 3/9/94 9844 1598 8259 017 -- --- --- --- --- ---
<br /> 8/1194 9844 1100 8744 000 -- --- --- --- --- ---
<br /> 3!7/95 9844 1676 8180 016 -- __ ___ ___ ___
<br /> 10/19/95 9844 1442 8407 007 -- --- --- --- --- ---
<br /> 12/19/95 9844 1590 8262 010 --- --- --- --- --- ---
<br /> 1/5/96(l) 9844 1613 8233 003 6,600 <6 2 <6 2 <6 2 920 66
<br /> 712196 9844 1455 8389 droplets -- --- --- --- -- ---
<br /> 10/18/96 9844 1463 83 81 droplets --- --- --- --- --- ---
<br /> 1/22/97 9844 1660 8184 sheen 79,000 870 2,600 4,100 27,000 600
<br /> 4/22/97 9844 1569 8275 droplets 38,000 370 660 1,800 11,000 <50
<br /> 7124197 9844 1277 8567 sheen 59,000 220 370 1,500 12,000 <100
<br /> 11/14/97 9844 1535 8309 sheen 51,000 1,100 560 2,200 17,000 <100
<br /> 1/22/98 9844 1629 82 15 sheen 64,100 380 330 1 700 12,200 <250
<br /> 5/12/98 9844 1545 --- sheen 89,000 1,100 250 1,500 16,000 7 7(5)
<br /> 8/20/98 9892 1282 86 10 000 69 000 210 57 590 9 300 <5 0(5)
<br /> MW-2 9/4/91 9904 1012 8892 000 6,400 710 700 130 1,300 ---
<br /> 10/13/91 9904 1122 8782 000 -- --- --- --- ---
<br /> 10/20/91 9904 1165 8739 000 --- --- --- --- --- ---
<br /> 4/9/92 9904 1529 83 75 000 2 400 1,400 720 59 250 ---
<br /> 7/10/92 9904 1333 8571 000 8,800 3,300 1,400 86 980 ---
<br /> 1/7/93 9904 1599 8305 000 -- --- -- --- ---
<br /> 4n193 9904 1620 8299 020 --- --- --- --- --- ---
<br /> 12/30/93 9904 1531 8373 sheen 14,000 1,000 730 520 1,400 ---
<br /> 3/9/94 9904 1633 8272 001 -- --- --- --- ---
<br /> 8/1/94 9904 1175 8729 000 --- --- --- --- --- ---
<br /> 3/7/95 9904 1691 82 13 droplets --- ___ ___ ---
<br /> 10/19/95 9904 1486 84 18 000 31,000 3,400 1,800 560 2,300 1,200
<br /> 12/19/95 9904 1629 8275 000 --- --- --- --- --- ---
<br /> 115/96(l) 9904 16 61 8243 sheen 6,500 88 <6 2 <6 2 870 1,000
<br /> 7/2/96 9904 15 13 83 91 000 29,000 2,900 3,800 790 3,800 1,100
<br /> 10/18/96 9904 15 19 83 85 sheen 27,000 3,000 3,600 1,000 5,700 3,500
<br /> 1/22/97 9904 1711 8193 sheen 150,000 I,200 1,200 440 1,500 1,300(2)
<br /> 4/22197 9904 1633 8271 sheen 27,000 3,400 4,500 1,100 3,600 1,200
<br /> 7124197 9904 1348 85 56 sheen 27,000 1,400 3 500 660 4 100 930
<br /> 11/14/97 9904 1587 83 17 sheen 21,000 1,900 1,800 800 2,000 2,500
<br /> 1/22/98 9904 1678 8226 sheen 20,900 1,700 1,300 610 1,400 1,300
<br /> 5/12/98 9904 1559 8352 sheen 25,000 2000 1,600 540 1,800 810(4)
<br /> 8/20/98 9911 --- -- --- --- --- --- -- --- ---
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