|
TA •
<br /> HISTORICAL GROUNDWATER MONITORING DATA
<br /> Y
<br /> Former ARCO Service Station No 2168
<br /> 441 Charter Way
<br /> Stockton,California
<br /> Elevation
<br /> Top of Static Water Water Depth to Ethyl- Total Dissolved
<br /> Well ID Casing(feet Level Elevation Screen TPHO Benzene Toluene benzene Xylenes MTBE Oxygen
<br /> &Sample Date msl) (feet bgs) (feet msl) (feet bgs) µg/L µg/L Pg/L µg/L FgIL µg/L (ppm) Observations
<br /> MW-3 53 2116195 9 58 3624 -2666 360 37,000 14,000 340 2,100 470 NA NA No FP,No S,O=NE
<br /> 53 5117/95 3149 -2191 39,000 13,000 1,200 2,100 1,500 NA NA No FP,No S,O=NE
<br /> 53 8115/95 3106 -2148 31,000 11,000 220 1,800 910 NA NA No FP,No S,Yes 0
<br /> 53 11/29/95 3125 -2167 41,000 10,000 350 1,900 860 NA NA No FP,No S,Yes 0
<br /> 2/27/96 2851 -1893 36,000 10,000 510 1,800 990 NA NA No FP,No S,Yes O
<br /> 53 5115/96 2682 1724 40,000 12,000 690 2,000 1,300 <500**[1] NA No FP,No 5,Yes 0
<br /> 8122/96 2735 -1777 53,000 14,000 2,000 2,400 2,900 <500*[l] NA No FP,No S,Yes 0
<br /> 11/25/96 2766 -1808 45,000 11,000 1,100 2,100 1,800 <500*[I] NA No FP,No S,Yes O
<br /> 2124/97 23 55 -1397 38,000 9,200 460 1,800 1,200 <500*[I] NA No FP,No S,Yes 0
<br /> 5119197 2342 -1384 38 000 9,800 620 1,900 1,100 <600*[ll NA No FP,No S,Yes O
<br /> 53 8/21/97 2449 -1491 36,000 9,500 910 2,000 1,500 <2,000**[1] NA No FP,No S,Yes O
<br /> 54 11/17/97 2557 -1599 37,000 12,000 2,100 2,100 3,000 <1,000**[I] NA No FP,No S,Yes O
<br /> 54 219/98 2307 -1349 32,000 9,700 510 2,000 2,700 <1,000**[I] NA No FP,No S,Yes O
<br /> 54 5/22/98 19 13 -955 20,900 7,440 144 1,760 479 <100 NA No FP,No S,Yes 0
<br /> 53 8112/98 1927 -969 13,600 4,860 159 1,200 408 <20 NA No FP,No S,Yes 0
<br /> 53 11/9/98 2036 -1078 26,100 9 270 375 1,950 895 <2 NA No FP,No S,Yes 0
<br /> 53 2117/99 1979 -1021 31,300 9,820 595 2,340 1,570 846 NA No FP,No S,Yes 0
<br /> 53 5125/99 1995 -1037 24,000 9,320 356 2,220 1,070 107 NA No FP,No S,Yes 0
<br /> 53 8/18/99 2008 -1050 26,400 9,670 364 2,250 866 15 NA No FP,No S,Yes O
<br /> 53 12117/99[2] 2094 -1136 26,900 8,800 113 2,070 610 5 82 NA No FP,No S,O=NE
<br /> 53 2122/00 2052 -1094 1,300 487 192 122 654 652 NA No FP,No S,Yes 0
<br /> 53 6/22/00 1887 -929 21,300 7,430 616 1,610 3490 244 NA No FP,No S,Yes 0
<br /> 8130/00 1998 -1040 22,900 9,540 313 2,410 791 127 NA No FP,No S,Yes 0
<br /> 11/21/00 2073 -1 115 31,300[4] 7,820 341 2,550 1,750 8 44 NA No rP,No S,Yes 0
<br /> 2/15101 2079 -1 l 21 39,800[6] 9,680 176 2,420 1,230 603 06 No FP,No S,O=NE
<br /> 5/17/01 2004 -1046 27,100[5] 8,790 219 2,270 1,210 <10 05 No FP,No S,Yes O
<br /> 8/16/01 2132 -1174 30,000 8,700 320 2,800 1,800 <100* 0 9 No FP,No S,Yes O
<br /> 12/6/01 2245 -1287 26,000[8] 10,000 <200 2,000 770 <100* 08 No FP,No S,Yes 0
<br /> 2/14/02 2090 1132 25,000 6,900 380 2,000 1,500 <100[10] 19 No FP,No S,Yes 0
<br /> 6113/02 2109 -11 51 22,000 5,400 63 1,800 750 <50[10] 08 No FP,No S,Yes 0
<br /> I
<br /> Aico2168_Quartedy Daia As
<br /> 3 ot8
<br />
|