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r � rr rr rr � r r r r r rr r <br /> TA I <br /> SUMMARY OF GROUNDWATER ELEVATION AND ANALYTICAL DATA <br /> S1IOP IO MAINTENANCE STATION <br /> STOCKTON,CALIFORNIA <br /> Depth To Gruuad- uby6 Tatttl <br /> Tor, '17'�+G '#'�'I[+D l3c�aaene 'I'oluen� �klT'il� <br /> S3 a i D DAR Elevnli4P ?Gt aaad kYs ier 1 etIKBn a Xylettat <br /> !Ya#er 3 exttilblb � O (PO IIJ 1 3 <br /> MW-25 10/23/1996 2195 5990 -3795 60 <50 50 50 10 61 <0 5 <br /> MW-25 05/22/1997 2195 54 84 -3289 <500 <500 <0 3 <0 3 <0 6 <0 6 <0 6 <br /> MW 25 1 09/25/1997 2195 5728 -3533 <500 <500 <0 3 <0 3 <0 6 <0 6 <0 6 <br /> MW-25 12/29/1997 2195 5642 -3447 <50 <5000 <0 5 <0 5 <0 5 <1 <5 <br /> MW-25 03/16/1998 2195 5284 -3089 <50 <50 <0 5 <0 5 <0 5 <1 <5 <br /> MW-25 06/15/1998 2195 4919 -2724 <500 <5000 <0 3 <0 3 <0 6 <0 6 <5 <br /> MW-25 08125/1998 2195 4978 -2793 <500 <5000 <0 3 <0 3 <0 6 <06 <0 6 <I 0 <br /> MW-25 12!02!1998 2195 4926 -2731 <500 <400 I8 20 2 110 <1 0 <t 0 <br /> MW-25 04/01/1999 2192 4599 -2397 <100 <100 <0 1 <0 2 <0 1 <0 I <0 6 <br /> MW-25 06/28/1999 2192 4629 -2437 <100 <100 <0 3 <0 2 <0 2 <0 4 <0 61 <br /> MW-25 09/24/1999 2192 4906 -27 14 <100 <100 <0 3 <0 2 <0 2 <0 4 <A 6 <br /> MW-26 10/24/1996 2121 5958 -3837 100 <50 <0 5 <0 5 <0 5 <0 5 5 1 <br /> MW-26 05/22/1997 2121 5457 -3336 <500 <500 1 <0 3 <0 6 <0 6 <0 6 <br /> MW-26 09125/1997 2121 5681 -3560 <500 <500 <0 3 <0 3 <0 6 <0 6 <0 6 <br /> MW-26 11!29/1997 2121 5616 -3495 <50 <5000 <0 5 <0 5 <0 5 12 <5 <br /> MW-26 03/16/1998 2121 52 61 -31 40 <50 92 <0 5 <0 5 <0 5 12 <5 <br /> I <br /> MW-26 06/15/1998 21 21 4883 -2762 <500 <5000 <0 3 <0 3 —<06 <0 6 1 <5 <br /> MW-26 08103/1998 Well Abandoned -- -- — -- — '-' <br /> Notes <br /> TOC=Top of casn%elevation,MSI.= Mean Sea Level <br /> TPH-G=Total Petroleum Hydrocarbons as Gasoline by EPA Method 8015M <br /> TPH D=Total Petroleum Hydrocarbons as Diesel by EPA Method 8015M <br /> j BTEX=Benzene Toluene Ethylbertzene and Total Xylenes by CPA Method 8020 <br /> MTBE-Methyl Ternary Butyl Ether by EPA Method 8020 <br /> <=Less than method detection limit <br /> -Not measured,sampled tested,or present <br /> All groundwater level measurements are presented m feet <br /> mg/l-milligrams per liter <br /> pgll=micrograms per liter <br /> (<5)-MTBE concentration as calculated by EPA Method 8260 <br /> 1 Demotes MTBE samples analyzed by EPA Method 8260B <br /> NR denotes Not Reported <br /> A"I"atter the laboratory result indicates that the compound was detected above the method detection lumt,but below the laboratory reporting limit <br /> All data prxwto 311/99 was provided by the previous consultant(PST) <br /> xTrwsh"19s6 Page 8 of 8 <br />