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MONITORING AND REPORTi...i PROGRAM NO. 5-01-814 -2-
<br /> BP OIL COMPANY,TOSCO REFINING COMPANY,
<br /> AND ST SERVICES BULK FUEL TERMINAL
<br /> STOCKTON,SAN JOAQUIN COUNTY
<br /> EPA Max. Sampling
<br /> Constituents Analytical Detection Frequency
<br /> Methodt Quarterly Semi-
<br /> Limit(µg/1) Q y Annua12 Annual3
<br /> Depth to --- --- All MWS
<br /> Groundwater
<br /> Benzene 8020 or 8260B 0.5 MWs 1,2,4, MWs 5,8,9, 10, 12,
<br /> 11 13
<br /> Toluene 8020 or 8260B 0.5 MWs 1,2,4, MWs 5, 8,9, 10, 12,
<br /> 11 13
<br /> Ethylbenzene 8020 or 8260B 0.5 MWs 1,2,4, MWs 5, 8,9, 10, 12,
<br /> 11 13
<br /> Xylenes 8020 or 8260B 2.0 MWs 1,2,4, MWs 5, 8,9, 10, 12,
<br /> 11 13
<br /> TPH as Gasoline 8015M or 8020 50 MWs 2 8 MWs 1,3,4, MWs 5,6,9, 10, 12,
<br /> 11 13
<br /> TPH as Diesel 8015M 50 MW 2 MWs 1,3,4, MWs 5, 6, 8,9, 10,
<br /> 11 12, 13
<br /> MTBE4 8020 or 8260B 0.5 MWs 1,2, 8 MWs 3, 11 MWs 5,6,9, 10, 12,
<br /> 13
<br /> DIPE4 8020 or 8260B 0.5 MWs 1,2,8 MWs 3, 11 MWs 5,6,9, 10, 12,
<br /> 13
<br /> TAME 8020 or 8260B 0.5 MWs 1,2, 8 MWs 3, 11 MWs 5,6,9, 10, 12,
<br /> 13
<br /> ETBE4 8020 or 8260B 0.5 MWs 1,2, 8 MWs 3, 11 MWs 5, 6,9, 10, 12,
<br /> 13
<br /> TBA4 8020 or 8260B 5 MWs 1,2, 8 MWs 3, 11 MWs 5,6,9, 10, 12,
<br /> 13
<br /> Ethanol° 8020 or 8260B 5 MWs 1,2, 8 MWs 3, 11 MWs 5, 6,9, 10, 12,
<br /> 13
<br /> Methane 8020 or 8260B 50 MWs 1,2, 8 MWs 3, 11 MWs 5, 6,9, 10, 12,
<br /> 13
<br /> t
<br /> For nondetectable results
<br /> 2
<br /> 3 Semi-annual sampling shall be conducted during the first and third quarters.
<br /> 4 Annual sampling shall be conducted during the first quarter.
<br /> Fuel oxygenates, including MTBE, methanol, ethanol, tertiary butyl alcohol (TBA), tertiary amyl
<br /> methyl ether(TAME), di-isopropyl ether(DIPE), and ethyl tertiary butyl ether(ETBE) shall be
<br /> analyzed in all monitoring wells during one monitoring event. If results are nondetectable for
<br /> fuel oxygenates in all wells,no further monitoring for oxygenates is required. If a fuel oxygenate
<br /> is detected, it shall be added to the quarterly monitoring program for the well in which it was
<br /> detected.
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