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WEGE TABLE 1 <br /> USA GASOLINE CORPORATION <br /> 2$00 WEST LODI AVENUE <br /> LODI, CALIFORNIA <br /> GROUND WATER INFORMATION & WATER SAMPLE RESULTS <br /> SAMPLE DATE TOP OF DEPTH TO GROUND SAMPLING CERTIFIED TFH BENZENE TOLUENE ETHYL XYLENE ; <br /> ID SAMPLED CASING WATER WATER COMPANY LABm b <br /> PP PP ppb BENZENE ppb <br /> ELEVATION IN FEET ELEVATION (mg/L) (ug/L) (ug/L) ppb (ug/L) <br /> (AMSL) (AMSL) (ug/L) <br /> 91 04/26/94 37 58 <br /> S1 07/2B/94 37 58 <br /> S2 09/10/91 37 76 <br /> S2 02/06/92 37 76 <br /> S2 06/23/92 37 76 <br /> $2 12/18/92 37 76 <br /> S2 03/31/93 37 76 <br /> S2 07/07/93 37 76 <br /> S2 04/13/94 37 76 <br /> S2 04/26/94 37 76 <br /> S2 07/28/94 37 76 <br /> WEGE= WESTERN GEC-ENGINEERS <br /> CHEMTECH= CHEMTECH ANALYTICAL T--ORATORIES (0f,S 4359) <br /> MATRIX = MATRIX ENVIRONMENTAL LABORATCRIES (DhS #1676) �,A!VE CHANGE FROM CHEMTECH <br /> ANLAB= ANALYTICAL LABORATORY (DhS01466) <br /> AMSL- ABOVE MEAN SEA LEVEL <br /> PPMG PARTS PER MILLION (mg/L-milligrams/liter) <br /> PPB=PARTS PER BILLION (ug/L micrograms/liter) <br /> TFH= TOTAL FUEL HYDROCARBONS (GASOLINE) <br /> EPA METHOD 5030 USED FOR TFH (G) <br /> EPA METHOD 602 USED FOR (HTEX) BENZENE TOLUENE ETHYL BENZENE XYLENE <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 /> • MW4 WELL RENDERED OPERABLE FOR SAMPLING ON SEPTEMBER 15 1992 <br /> • UPON REVIEWING SURVEY DATA, MW8 WAS CORRECTED IN THIS TABLE AND IS REFLECTED IN THE JUNE 94 ADDENDUM <br /> TO THE QUARTERLY REPORT <br /> i <br /> 9 <br />