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Table 3-2 <br /> Detected Volatile Organic Compounds Analytical Data <br /> ARCO Service Station No 4493 <br /> 205 N Center Street,Stockton,CA <br /> trans-1,2 n- 1,1,1,2- 1,1,2,2- Tetrachloro-Trichloro- 1,2,4- 1,3,5- <br /> Dichloro- Isopropyl- p4sopro- Naphtha Propyl- Trichloro-Tetrachloro ethene ethene Trimethyl-Trimethyl- Vinyl <br /> Well Date ethene benzene pyltoluene lene benzene ethane ethane (PCE) (TCE) benzene benzene Chloride <br /> Number Sampled (pg/L !L 1L !L 1L !L 1L WL) 1L !L !L IL <br /> < <br /> MW-11D 121512002 <O 5 <0 5 <0 5 5 0 <05 <05 <05 <05 077 <05 <05 <05 <br /> 3/14/2003 <0 5 <0 5 <05 <5 0 <0 5 <0 5 <0 5 <05 084 <0 5 <0 5 <0 5 <br /> 61912003 <10 <10 <10 <br /> <10 <10 <10 <10 <10 <10 <10 <10 <10 <br /> <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 12 <1 0 <1 0 <1 0 <br /> 9125!2003 <br /> 1212312003 <1 0 <1 4 <1 0 <1 4 <1 0 <10 <1 0 <1 0 23 <10 <10 <10 <br /> 3/812004 <1 0 <1 0 <1 D <1 0 <br /> <1 0 <1 0 <1 0 32 <1 0 <1 0 <1 0 <br /> 6!912004 <i 0 <1 0 <1 0 <1 0 <10 - <1 0 <1 0 52 <1 0 <1 0 <1 0 <br /> MW-12p 12!2312003 <10 <10 <10 <10 <10 <10 <10 <10 <1 0 <10 <10 <10 <br /> 3!812004 <10 <10 <10 <10 <10 — <10 <10 <10 <10 <10 <10 <br /> 6!912004 <10 <10 <10 <10 <10 -- <10 <10 <10 <10 <10 <110 <br /> MW-13M 619/2004 <10 <10 <10 <10 <10 -- <10 <10 19 <10 <10 <10 <br /> MW-13D 6!9!2004 <10 <10 <10 <10 <10 -- <10 <10 <10 <10 <10 <10 <br /> Notes <br /> ,ug/L=micrograms per liter <br /> <=below given laboratory detection limit <br /> --=not measured or analyzed <br /> All samples are ran full scan Method 8260B-Analytes consistently non-detect are not listed <br /> Data Qualifier Definitions <br /> U The analyte was analyzed for but was not detected above the sample reporting limit <br /> J The analyte was positively identified the associated numerical value is the approximate concentration of the analyte in the sample <br /> N The analysis indicates the presence of an analyte for which there is presumptive evidence to make a"tentative identification" <br /> NJ The analysis indicates the presence of an analyte that has been"tentatively identified"and the associated numerical value represents its approximate <br /> concentration <br /> UJ The analyte was not detected above the reported sample reporting bmit However the reported reporting limit is approximate and may or may not <br /> represent the actual limit of quantitation necessary to accurately and precisely measure the analyte in the sample <br /> R The sample results are rejected due to identification or other analytical issues <br /> 0 ND Not detected above reported detection limit <br /> K%Wpr -5\_55 ep ARC05044931Quartedo QTR 03\4493 GWMR 1Q04 Page 4 of 4 <br />