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WEGE: TABLE l <br /> .A USA GASOLINE CORPORATION i <br /> !9 <br /> 2500 WEST LODI AVENUE <br /> LODI, CALIFORNIA <br /> GROUND WATER INFORMATION & WATER SAMPLE RESULTS <br /> --SAMPLEc= a�a <br /> DATE TOP OF=DEPTH TO GROUND SAMPLING CERTIFIED TFH =BENZENE==TOLUENE= ETHYL XYLENE _ <br /> ID SAMPLED CASING WATER WATER COMPANY LAB ppm ppb ppb BENZENE ppb <br /> ELEVATION IN FEET ELEVATION (mg/L) (ug/L) (ug/L) ppb (ug/E,) <br /> (AMSL) (AMSL) (ug/L) <br /> S1 09/10/91 37.58 <br /> S1 02/06/92 37.58 h - <br /> S1 06/23/92 37.58 <br /> Sl 12/18/92 37.58 _ Ip <br /> S1 03/31/93 37.58 <br /> j_ S1 07/07/93 37.58 ` <br /> !! Sl 04/13/94 37.58 .� <br /> Sl 04/26/94 37.58 <br /> i S1 07/28/94 37.58 <br /> +r S1 09/29/54 37.58 <br /> VV <br /> S2 09/10/91 37.76 <br /> " S2 02/06/92 37.76 <br /> S2 06/23/92 37.76 <br /> _3 <br /> �- S2 12/18/92 37.76 <br /> S2 03/31/93 37.76 i <br /> S2 07/07/93 37,76 <br /> ' S2 04/13/94 37.76 <br /> ' S2 04/26/94 37.76 i. <br /> S2 07/28/94 37.76 <br /> �i S2 09/29/94 37.76 <br /> s€ 3 <br /> WEGE= WESTERN CEO-ENGINEERS <br /> CHEMTECH= CHEMTECH ANALYTICAL LABORATORIES (DH$ #359) _ <br /> 1 MATRIX - MATRIX ENVIRONMENTAL LABORATORIES (DHS #1676), NAME CHANGE FROM CHEMTECH <br /> 1 <br /> ANLAHm ANALYTICAL LABORATORY (DH$#1468y <br /> s} <br /> AMSL- ABOVE MEAN SEA LEVEL <br /> PPM= PARTS PER MILLION (mg/L-milligrams/liter) <br /> y PPB=PART$ PER BILLION (ug/L-micrograms/liter) <br /> TFH= TOTAL FUEL HYDROCARBONS (GASOLINE) <br /> y <br /> EPA METHOD 5030 USED FOR TFH (G) <br /> �q •� EPA METHOD 602 USED FOR (BTEX);'BENZENE, TOLUENE, ETHYL BENZENE, XYLENE <br /> it <br /> �• OR BLANK, SAMPLE NOT TAKEN;-DRY WELL AND/OR SAMPLE NOT RUN OR DATA�AVAILABLE <br /> �- ALL ELEVATION MEASUREMENTS ARE ABOVE MEAN SEA LEVEL <br /> 1 � <br /> ( • MW4, WELL RENDERED OPERABLE FOR SAMPLING ON SEPTEMBER 15, 1992. <br />