ARCHIVED REPORTS_XR0008798 - Laserfiche WebLink

Home Browse Search

TABLE 1 GROUNDWATER MONITORING DATA Fortner Beacon Station No 12419 2350 Waterloo Road,Stockton,California ethyl Depth to TOC GW Well TPHg benzene toluene benzene xylenes MTBE DIPS ETBE TAME TBA methanol ethanol EDC EDB GW Elevation Elevation Number Date (ug1L) (ug/L) (ug/l) (ug1L) (ug1L) (ug1L) (ug1L) (ug1L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug1L) (feet) (feet sea level) (feet sea level) Comments AS 1 0221100 80000 7600 16000 1600 9100 34 <2 0 <20 <2 0 <20 380 12000 180 250 4589 nm nm slight odor/no sheen screened 05/18100 23000 2300 4800 480 2900 <10 <10 <10 <10 <100 <1000 <10o no no 4109 am no odorino sheen interval 09126/00 54000 2600 5300 590 3200 <50 no no no no no na no no 4913 nm slight odor J no sheen 64 69 1221100 52000 5000 10000 1200 6000 <500 no no no no no no no no 4779 nm odor/no sheen 03!27101 140000 16000 34000 3300 18000 <500 no no no no no no no no 4665 am odor/no sheen 08/26101 140000 14000 34000 3700 18000 <1 0 <1 0 .410 <1 0 <10 <100 <100 83 140 4979 nm odor/no sheen 09/05mi 210000 17000 39000 4600 25000 <500 na na no no no no no no 5441 am odor/no sheen 11/30/01 150000 12000 32000 4000 19000 <2000 no no no no no no no na 5470 nm odor/no sheen 02/27102 200000 11000 38000 3600 19000 <2000 no no no no no no no no 5096 am slight ododno sheen AS 2 10120100 29000 140 1600 650 3100 <0 50 <0 50 <0 50 <0 50 <50 <50 610 11 63 4152 2076 2076 screened 12/21/00 18000 120 1200 530 2800 <50 no no no no ma no no no 4598 2522 slight odor 1 no sheen interval 0327/01 11000 91 820 230 1800 <20 no no na no no no no na 4651 2575 slight odor Inosheen 123 128 06/26101 12000 80 68 220 2000 <2 5 <25 <25 <25 <25 <250 <50 <2 5 50 4925 2849 slight odor I no sheen 09!05/01 7400 75 31 140 1100 Q0 no no no no no no no no 5329 -3253 slight odor 1 no sheen 11/30101 6600 70 15 110 740 <25 no no no no no no no no $415 -3339 odor/no sheen 0227102 3200 46 98 28 280 <10 no no no no no no no no 5083 3007 odorhto sheen AS-3 10/20/00 <50 <0 50 <050 <050 <050 <0 50 <0 50 <0 50 <0 50 <50 <50 81000 <0 50 <0 50 4607 2060 2547 screened 12121/00 <50 <0 50 <0 50 <0 50 4050 <50 no no no no no no no no 4805 2745 no odor I no sheen interval 03/27/01 <50 23 58 <050 <050 <50 no no no no no no no me 4682 2622 no odor/no sheen W-85 0626,01 <50 <0 50 052 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 12 <50 690 89 <0 50 41396 2836 no odor/no sheen 09105101 100 <0 50 <0 50 <0 50 Is <50 no no no no no no no no 5411 3351 odorino sheen 11rd0101 74 1 3 <0 50 <0 50 <0 50 <5 0 no no no no no no no no 5393 3333 odorino sheen 02/27/02 73 <0 50 <0 50 <050 <0 50 <50 no no no no no no no no 5067 -3007 no odor 1 no sheen Notes TPHg=total petroleum hydrocarbons as gasoline TBA-tert butanol GW=groundwater nm=not measured MTBE-methyl tert butyl ether FDC=ethylene dtchlonde TOC=top of casing na=not analyzed DI PE=dnsopropyl ether EDB=ethylene dobromtde <=less than indicated reporting limit ns=not sampled ETBE=ethyl tent butyl ether pg/L= micrograms per liter=parts per billion(ppb) TAME=tert amyl methyl ether 1 4t9gmA1 ds Page 7 of 7 HORIZON ENVIRONMENTAL INC 141945