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TAR 1 ^ <br /> GROUNDWATER DATA <br /> THRIFTY OIL STATION#171, STOCKTON, CA _ <br /> DATE ANALYnCALPARAhIEYERS DEPTHTO DEPTHTO PRODUC>Er CASING GROG RATER <br /> SAMPLED TPH-g BENZENE TOLUENE XYLENE MTBE GROUNDWATER E'k(MI CT THIS$$ IELEV'1#TIOr4 IKLgVAf ION <br /> 09,9) (ug L) (ulL) tugx) (u 1) (IVA) (feet) (feet) (feet) <br /> MOMTORING WELL M-12 <br /> 02/25/99 4 400 1 4 9 081 <03 29 12,000 39 70 NP 0 00 <br /> 05/14/99 - - - - DRY <br /> 08/18/99 - I I - - DRY - <br /> NOTE ND=Nondetectable Benzene toluene ethlybenzene,and xylene analyzed by EPA method 8020 <br /> NP=No free hydrocarbon product Total petroleum hydrocarbons(TPH)analyzed by EPA method 8015 modified for gasoline <br /> "—Not analyzed/Not available Methyl tert Butyl Ether(MTBE)analyzed by EPA method 8020 or 8260 <br /> •' =MTBE by 8020 Beginning 8123!00,BTEX and MTBE analyzed by EPA Method 8260B <br /> 171 TAB XLS Page 11 of 11 6118103 <br /> { <br />