|
To 1 y
<br /> HISTORICAL,GROUNDWATER MONITORING DATA
<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 TPHG Benzene Toluene benzene Xylenes MtBE Oxygen
<br /> &Sample Date msl) (feet bgs) (feet=I) (feet bgs) uglL ug/L ug/L ug/L ug/L ug/L (ppm)
<br /> MW-2 52 2/22/2000 2137 -1054 4 510 1 500 138 151 207 <2 NA
<br /> (cont} 53 6/22/2000 2019 -936 735 141 17 12 22 <2 NA
<br /> 8130!2000 2239 -1156 8,200 2 310 204 259 322 <2 NA
<br /> 11/21/2000 2196 -11 13 1,140[4] 210 174 233 515 <2 NA
<br /> 2/15/2001 2189 -1106 1 240[61 161 <5 0 522 111 <2 10
<br /> 5/17/2001 2127 -1044 389[5] 289 l2 5 456 <2 5 <2 15
<br /> 8/16/2001 2257 -1174 470 73 <0 5 34 40 <2 29
<br /> 12/6/2001 2355 -1272 <2 000 26 <20 <20 <20 <5 0* 13
<br /> 2/14/2002 2202 -11 19 1 800 300 31 60 54 <0 50 16
<br /> 6/13/2002 2236 -1153 2,000 280 140 440 460 <2 5[l 0] 09
<br /> 8/22/2002 2342 -1259 5,200 1,100 120 160 280 <0 50 13
<br /> 11/13/2002 2442 -1359 620 110 <5 0 <5 0 <5 0 <5 0 -
<br /> 2112l2003 2469 1386 400 30 11 34 35 <0 5 11
<br /> MW-3 53 2/16/1995 958 3624 -2666 360 3-7000 14,000 340 2,100 470 NA NA
<br /> 53 5/17/1995 3149 2191 39 000 13 000 1,200 2,100 1 500 NA NA
<br /> 53 8/15/1995 3106 2148 31000 11,000 220 1800 910 NA NA
<br /> 53 11/29/1995 3125 2167 41,000 10,000 350 1,900 860 NA NA
<br /> 2/2.7/1996 2851 1893 36,000 10,000 510 1,800 990 NA NA
<br /> 53 5/15/1996 2682 1724 40,000 12,000 690 2000 1,300 <500**[I] NA
<br /> 6/22/1996 2735 1777 53,000 14 000 2000 2,400 2,900 <500*[1] NA
<br /> 11/25/1996 2766 1808 45,000 11,000 1,100 2,100 1,800 <500*[11 NA
<br /> 2/24/1997 2355 1397 38,000 9200 460 1,800 1,200 <500*[1] NA
<br /> 5/19/1997 2342 -1384 38,000 9,800 620 1,900 1,100 <600*[1] NA
<br /> 53 8/21/1997 2449 -1491 36,000 9,500 910 2,000 1,500 <2,000**[11 NA
<br /> 54 11/17/1997 2557 -1599 37,000 12,000 2,100 2,100 3,000 <1000**[11 NA
<br /> 54 2/9/1998 2,307 1349 32,000 9,700 510 2,000 2,700 <1 00000[i] NA
<br /> 54 5/22/1998 1913 -955 20,900 7,440 144 1,760 479 <100 NA
<br /> 53 8/12/1998 1927 -969 13,600 4 860 159 1,200 408 <20 NA
<br /> 53 11/9/1998 2036 -1079 26 100 9 270 375 1,950 895 <2 NA
<br /> 53 2/17/1999 1979 -1021 31 300 9,820 595 2 340 1,570 846 NA
<br /> 53 5/25/1999 1995 -1037 24,000 9 320 356 2,220 1,070 107 NA
<br /> 53 8/18/1999 2008 1050 26,400 9,670 364 2,250 866 15 NA
<br /> 53 12/17/99[21 2094 -1136 26,900 8,800 113 2,070 610 5 82 NA
<br /> 53 2/2212000 2052 -1094 1,300 487 192 122 654 652 NA
<br /> 53 6/22/2000 18 87 929 21,300 7,430 616 1,610 3490 244 NA
<br /> 8/30/2000 1998 -1040 22,900 9,540 313 2,410 791 127 NA
<br /> 11/21/2000 2073 11 15 31,300[4] 7,820 341 2,550 1,750 844 NA
<br /> K V5 BP ARM021681Quwledyll QTR MUM GWMR 1Q03
<br /> 3of9
<br />
|