Laserfiche WebLink
Project No 58475-06-24J <br /> April 22,2004 <br /> Page 4 of 4 <br /> TABLE <br /> SUMMARY OF GROUNDWATER ELEVATION AND ANALYTICAL DATA <br /> STOCKTON MAINTENANCE STATION <br /> SAN JOAQUIN COUNTY,CALIFORNIA <br /> TOC DEPTH TO GROUND WATER <br /> SAMPLE SAMPLE ELEVATION ELEVATION TPI-Ig TPHd B T E X MTBE FOCs <br /> GROUNDWATER (µg ) (Ag/1) (µg ) (µg/1) (µg1) (µg 1) (µg/1) (µg/1) <br /> [D RATE MSL (feet) MSL Il /l 1 / <br /> (feet) (feet) <br /> VW-1 5/10102 21 98 4909 -2711 <50 210 <0 5 <0 5 <0 5 <0 5 <5 NO <br /> VW-1 7/10!02 21 98 5076 -2878 190 641 056 <0 5 072 l 75 <5 ND <br /> VW-1 10/3/02 21 98 5271 -3073 120 180 <0 5 <0 5 <0 5 <0 5 <5 ND <br /> VW-1 12/12/02 21 98 5260 -3062 170 <50 <0 5 <0 5 <0 5 <0 5 <5 ND <br /> VW-1 3/18/03 21 98 5157 -2959 110 <50 <0 5 <05 <0 5 <0 5 <5 ND <br /> VW-1 6117/03 21 98 51 73 -2975 130 <50 <0 5 <0 5 <0 5 <0 5 <5 ND <br /> VW-1 913103 21 98 5305 -3107 75 <50 <0 5 <0 5 <0 5 <0 5 <5 ND <br /> VW-1 11/19/03 21 98 5384 -31 86 60 <50 <0 5 <0 5 <05 <0 5 <5 ND <br /> VW-1 3/24104 21 98 5184 -2986 91 <50 <0 5 <0 5 <0 5 <0 5 <5 ND <br /> VW-2 5/10/02 22 18 4928 -27 10 <50 2,200 200 <0 5 64 90 120 TAME-00 <br /> VW-2 7/10102 22 18 5098 -2980 5,700 810' 1,600 13 560 568 89 ND <br /> VW-2 10/3102 22 18 5292 -3074 4,800 2,100 1,500 15 460 490 44 ND <br /> VW-2 12112/02 22 18 52 81 -3063 5,700 2,400 1,800 23 520 6t0 30 ND <br /> VW-2 3/18103 22 18 5178 -2960 8,900 3,900 2,400 18 710 880 47 ND <br /> VW-2 6/17103 22 18 5194 -2976 9,900 2,100 2,800 20 910 660 74 ND <br /> VW-2 913103 22 18 5326 -3108 4,700 1,400 1,300 17 500 230 38 ND <br /> VW-2 11/19/03 22 18 5405 -3187 5,200 1,700 1,500 79 540 240 34 ND <br /> VW-2 3/24/04 22 18 5198 -2980 9,800 2,800 2,300 86 750 480 96 ND <br /> Notes TOC=Top of Casing µg/l=Micrograms per Mer <br /> MSL=Mean Sea Level ND=Not detected above the laboratory test method detection limit <br /> TPHg=Total petroleum hydrocarbons as gasoline <=Less than laboratory method detection limit <br /> TPHd—Total petroleum hydrocarbons as diesel <br /> BTEX=Benzene,toluene,ethylbenzene and total xylenes <br /> MTBE=Methyl tert butyl ether by EPA Test Method 8260 <br /> FOCs=Tert-amyl methyl ether(TAME),ethyl tert butyl ether(ETRE),di-isopropyl ether(D1PE)and tert-butanol(TBA)following EPA Test Method 8260 <br /> i= `Sample contains hydrocarbons that do not match the diesel pattern However,quantification is based on a diesel standard ' <br />