ARCHIVED REPORTS_XR0002025 - Laserfiche WebLink

Home Browse Search

TABLE 1 GROUNDWATER MONITORING DATA Beacon Station No.3641 1210 E.Hammer Lane,Stockton,California Depth to TOC GW Well TPHg benzene toluene elhylbenzene xylenes MTBE DIPE ETRE TAME TBA methanol ethanol DCA EDB GW Elevation Elevation Number Date (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (ugA) (ugn) (ugA) (u911) (ugA) (ugA) (ugA) (ugA) (feet) (feet msl) (feet mal) Comments VW-7 03/25/99 25000 5700 3300 1500 1700 2000 <5,0 <5.0 <5.0 200 <50 <5-0 no no 41.67 nm nm slight odor l no sheen screened 06!02199 11000 3300 320 1100 230 1700 <5.0 <5.0 <5.0 92 <100 <5.0 <5.0 <5.04 41.94 nm slight odor 1 no sheen interval 06!31199 Its ns ns ns ns ns ns ns ns ns ns ns ns ns 47.35 nm 0.21 ft FP/sheen 40'-55' 12/09139 87000 2300 1000 1500 5400 6400 <50 <50 <50 <500 <5000 .4500 <50 <50 45.26 nm no comment 03/01/00 11000 2200 160 640 640 4300 <50 450 <50 .4500 <5000 <500 no na 42.47 nm no comment 06176/00 15000 2400 440 620 1100 3000 .45.0 <5 0 <510 280 <2000 <50 <5.0 <5.0 41.50 nm clear 09/14/00 46000 440 560 1600 3000 1000 <5.0 <5.0 <5.0 76 <600 <50 <5.0 <5.0 47.81 nm clear/sheen 12/12/00 17000 940 420 450 1600 5200 no na no no no no no na 44.16 nm Gear 03/19/71 4100 650 16 180 94 2900 no no no no no no no no 41,313 nm clear 06/19/01 24000 2800 870 770 1800 7300 no no no no no no no no 43.86 nm clear 09/27/01 51000 1400 3900 1800 6800 1400 no no no no no no no no 50.01 nm Gear 12113101 4400 270 70 140 240 2000 no rta no no no no no no 46.57 nm clear 03l28M2 24000 1100 760 850 2100 2500 na no no no no na na no 43-14 19.29 -23.85 clear 06!19!02 36000 2600 2000 1200 4600 5100 no no no no no no no no 44.89 -25.60 clear 09/16/02 57000 2400 5000 1600 6300 2800 410 410 -10 150 <2500 .4100 <10 <10 50.20 -30.91 clear 12126102 3100 200 30 110 78 2000 no no no no no no no no 47.45 -28.16 clear 03!26103 3500 170 20 280 83 2600 no no no no no no no no 45.14 -25.85 dear 08127103 30D00 1900 1700 1000 4200 4700 <20 <20 -20 <200 <2000 -200 <20 no 46.87 -27-58 clear 09/19/03 ns ns ns ns ns ns ns ns ns ns ns ns ns ns dry dry dry 12130103 140000 7600 13000 3900 21000 5300 no no no no no no no no 49.77 -30.48 dear 03/26104 87000 730 1800 2600 12000 2500 <25 <25 <25 4150 <2500 <250 <25 no 47-21 -27.92 sheen 06117/04 120000 6800 7100 3000 15000 11000 <50 <50 <50 520 J <40000 <500 <50 no 51-25 -31.96 Gear 09109104 ns ns ns ns ns ns ns ns ns ns ns ns ns ns dry dry dry Notes; TPHg=total petroleum hydrocarbons as gasoline µg11=micrograms per liter(parts per billion or ppb) MTBE=methyl-t-buryl ether GW=groundwater DIPE x diisopropyl ether TOC=top of casing ETBE=ethyl-t-butyl other na=not analyzed TAME-tert-bumnol not=not tnes9ured TBA=tert-butyl alcohol FP-free product DCA-1,2-dichloroethane f=biased slightly high;see analytical repon EDB-1,2-dibromoethane 641gmr.xis - Project No.1641.47 Page 9 of 9 HORIZON ENVIRONMENTAL INC.