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TABLE 1 Monitoring and Reporting Program No. R5-2011-0813 STOCKTON TERMINALS TECHNICAL COMMITTEE STOCKTON, SAN JOAQUIN COUNTY Constituents TPHg TPHd BTEX MTBE3 TBA3 TAMES DIPE3 ETBE3 1,2-DCA EDB3 Ethanol3 Methanol3 Naphthalene EPA Method 8015M or 8015M 8020 or 8260B 8260B 8260B 8260B 8260B 8260B 8260B 8260B 8260B 8260B 8260B 8260B Maximum Practical 50 50 0.5 0.5 5 0.5 0.5 0.5 0.5 0.5 50 100 0.5 Quantitation Limit' ampling Freqdncy Well Tesoro - — ---------- ---------- ------ — X --------- - - u — ----- ---------- ------- x ----- — Qua terly TS-gR x x --- x---- --- x---- ------ x x _----x---- x x x -- ---------- ----------- ---------- --------- - TS/MW-SDR ___ _x____ x x x x ___x____ ____X____ ____X____ ______ _____ __________ ____-_________ -------------------- ---- X __ __________ _________ _ X TS/MW-4D x x____ x x x ___x____ ____X____ ____x____ ____—X___— __________ _____ ______ ______ _________ _________ _. ____________ ______ ___________ __________ _________ _ X TS/M_1 x z x x ___X____ __________ ______ X X X _ _____________ _______ ___ ___________ __________ X TS/M-3a------- x z x x x x x x TS/M-Sa-------- ------x ---- -----z --- x x --x---- ----X---- ----X---- ----X--- -----X----- ------- x —_X- --- -------------- ------------------- ---------------- ------ ---------- TS/MW-1C x x x x x x x X X ---------------- x ___ ---------- ----- x -----x------ ---------X Semi Annually TS/M-2 ---------------------- ---------- ----------- ---------- - xx x x x---- ------X----- ----X--- ----X---- -------------- --------X-------- _ --------- ---------- - f�T ---X----- ---X---- ---X---- - X X X ________________ ____X_____ ___.x____ __—X____ __________ __________ __________ ________ X TS/MW-1D x X x--- ---X---- ------------- ------ — X ----X----- X---- ---X---- ------X----- ---X X X TS/MW_2D z _ ____x TS/MW-3D---- ----- x ---' x x x x 1 -,tion Limit If the maximum practical quantitation limit is exceeded for a non-detectable result,the Discharger shall provide an explanation in the report teM.All concentrations between the Method Dete and the Practical Quantitation Limit shall be reported as trace. 'All wells shall be monitored quarterly for water levels. Wells sampled semi-annually during first and third quarters and wells sampled annually during third quarter. 3 Fuel oxygenates including MTBE,TBA,TAME, DIPE, ETBE, 1,2-DCA, EDB, ethanol, methanol,and naphthalene shall be analyzed in all monitoring wells during two monitoring events in the first a third quarters. If results are nondetectable for both sampling events, no further monitoring for those constituents is required in that well. If a fuel oxygenate is detected, it shall be added to the monitoring program for the well in which it was detected. Monitoring wells for which fuel oxygenates requirements have already been met under previous MRP requirements do not need to be resampled for these analytes under this MRP. " Following eight consecutive quarters of sampling the sampling frequency may be reduced to semi annually with Central Valley Water Board staff concurrence. . TPHg-Total petroleum hydrocarbons as gasoline P PrY DIPE Diso ro I ether DCA 1,2-Dichloroethane ug/L-Micrograms per liter TPHd-Total petroleum hydrocarbons as diesel ETBE Ethyl tertiray butyl ether EDB Ethylene Dibromide BTEX-Benzene,toluene,ethylbenzene,and total Methylene blue active xylenes MBAS substances MTBE-Methyl tertiary butyl ether DGME ether TBA-Tertiary butyl alcohol TAME Tertiary amyl methyl ether Page 5of5