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WEGE; TABLE 2 DESERT PETROLEUM SERVICE STATION $787 950 11th STREET TRACY, CALIFORNIA GROUND WATER SAMPLE LAE RESULTS --a-......I---a------I-a-===----I----------I----------1 --------- SAMPLE I DATE 1 SAMPLING I CSRTIFIEDI TPH I BENZENE I TOLUENE I ETHYL I XYLENE I LEAD { ID I SAMPLED I COMPANY I LAB I GASOLINE I PPB I PPB BENZENE I PPS 1 PPM I I I I I mg/L I ug/L I ug/L J ug/L j ug/r, I mg/L { ----------I----a-----lav-------- ---aavev=vJvvv.rvaectl=aaaaa==aal.......... ...........I --------- 1+88-2104-21 04/19/88 1 WEGE I EUREKA I 20.5 1 2300 1 4200 1 2600 j 7500 1 1*88-2104-31 04/19/89 1 WEGE I E'VREKA 1 77.7 1 100 1 460 1 15G 1 800 I I I I I I I I I I I MWl 105/13/88 I WEGE 1 EUREKA I <0.2 { 13 I 38 I 5 1 160 I I 106/01/98 1 WEGE I EUREKA I 4.0 { 41 1 71 1 610 J 164 1 J 1 07/05/80 { WEGE 1 EUREKA I <G.2 1 <0.5 I eo.5 1 <0.5 I <0.5 { J I 108/11/88 I W&GS I EUREKA I <0.2 1 0.6 { 0.5 1 <c.S I 4.1 1 { I 1 OS/23/90 I WEGE 1 CHEMTECH 1 <0.5 I <0.3 { <0.3 1 c0.3 I <0.9 1 I 103/18/93 1 WEGE 1 MATRIX I s9:$ I 40.3 40.3 I c0.3 I c0.9 { <O.OS I I I I I o,r-, I I I I MW2 05/13/90 1 WEGE I EUREKA 1 _G.2 I <0.5 I <0.5 I c0. ; I <0.5 I r I I. 06/01/R8 1 WEGE 1 EUREKA 1 40.2 J 40.5 I <0.5 1 <0.5 I <0.5 I 107:05/88 I WEGE 1 EUREKA 1 40.2 I <0.5 1 <0.5 1 <0.5 1 <0.5 1 { 1 06/11/88 1 WEGE 1 EUREKA 1 <0.2 J <0.5 1 <0..5 1 <0.5 1 <0.5 { I I OS/23/90 1 WEGE 1 CHEMTECH 1 <0.5 I <0.3 1 <0.3 { <0.3 J <0.9 I I 103/18/93 I WEGE 1 MATRIX 1 .a~s 1 <0.3 I cO.3 1 <0.3 1 <0.9 I i I I a 'OL' I I I I I 1 MW3 { 05/19/88 1 WEGE I EUREKA 1 <G.2 I <0.5 I <0.5 1 <0.5 J <O.5 { 1 I 06/01/86 WEGE EUREKA <0.2 <0.5 <0.5 <0.5 cO.5 I I 107/05/08 I WEGE { EUREKA { <0.2 1 50.5 1 c0.5 J <0,5 I <0.5 1 I 108/11/88 I WEGE 1 EUREKA I 40.2 { <0.5 I <0.5 I 40.5 I <0.5 { I 105/23/90 I WEGE I CHENTECH 1 <O.5 j <0.3 I <0.3 I <0.3 I <0.9 I 1 { 03/18/93 { WEGE J MATRIX 0.3 i <0.3 I <0.3 1 <0.9 I <0.05 I 0. I I I I I I 1 I I � { MW4 { 03/18/93 1 WEGE I MATRIX { <077 I <0.3 1 <0.3 I <0.3 { <0-.9 I 40.05 i WEGE a WESTERN GEO-ENGINEERS TPH = TOTAL PETROLEUM HYDROCARBONS PPM a PARTS PER MILLION (mg/L) PPB PARTS PER BILLION (ug/L) r I • WATER SAMPLES 88-2104-2 & 88-2104-3 WERE TAKEN UNDER THE RLO'TLAR TANK AND THE SUPER TANK RESPECTIVELIX. IN ADDITION TO THE ABOVE LISTED ANALYSIS; ORGANIC LEAD(ASTM D3237-79), PCB(EPA 606) & HVP{EPA 6011 WSRE RUN AND WAS LESS THAN THE LOWER DETECTION LIMIT & WERE NOT RUN SUBSEQUENTLY. ' 7