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Table I , <br /> Sampling Frequency <br /> Chevron Products Company <br /> Banta Bulk Fuel Terminal <br /> uarterh`.- Semiannual . Annual. <br /> Wells Quarterl`. Seimannual `Annual. .Wells Quakerl . Semiannual Annual : Wells . Q l <br /> MW-22B 2 3 MW-45A <br /> MW-lU 1 3 MW-46A 1 <br /> MW-3U 1 MW-23B 2 <br /> 3 MW-34UA 2 MW-47A 1 <br /> MW-4A 2 MW-48A 1 <br /> MW-5A 2 3 MW-35UA 1 <br /> 2 MW-49A 1 <br /> MW-6A MW-36UA 1 MW-50A 1 <br /> MW-7A 1 MW-37UA 1 <br /> 1 MW-38UA I MW-SOB 1 <br /> MW-9 MW-51A 1 <br /> MW-12B 2 3 MW-39UA 4 <br /> MW-40UA 1 MW-52A 1 <br /> MW-13B 2 MW-53A 1 <br /> MW-14A I MW-41UA 1 l <br /> MW-15A 1 <br /> MW-42UA I WSW-1 <br /> I New Wells 1 <br /> MW-18A 2 MW-43A 5 <br /> MW-19A 2 3 MW-44A 1 <br /> 1 -Depth to groundwater,TPHd,TPHg,BTEX,MTBE,TBA,TAME,DIPS,ETBE,Ethanol,Methanol,and dissolved lead <br /> 2-Depth to groundwater,TPHd,MTBE,TBA,TAME,DIPE,ETBE,Ethanol,Methanol,and dissolved lead <br /> 3-TPHg and BTEX <br /> 4-Depth to groundwater,TPHd,TPHg,MTBE,TBA,TAME,DIPE,ETBE,Ethanol,Methanol,and dissolved lead <br /> 5-Depth to groundwater <br /> Wells will be sampled semiannually during the first and third quarters. <br /> Wells will be sampled annually during the third quarter. EPA Analytical Maximum <br /> Method Detection Limit <br /> Constituents 8015M 50 ug/I <br /> Total petroleum hydrocarbons as diesel(TPHd) 8015M 50 ug/1 <br /> Total petroleum hydrocarbons as gasoline(TPHg) 8020 or 8260B 0.5 ug/l <br /> Benzene,toluene,ethylbenzene,and total xylenes(BTEX) 8260B 0.5 ug/1 <br /> Methyl tertiary butyl ether(MTBE)* 8260B 5.0 ug/1 <br /> Tertiary butyl alcohol(TBA)* 8260B 0.5 ugh <br /> Tertiary amyl methyl ether(TAME)* 8260B 0.5 ug/I <br /> Di-isopropyl ether(DIPE)* 8260B 0.5 ug/I <br /> Ethyl tertiary butyl ether(ETBE)* 8260B 50 ug/1 <br /> Ethanol* 8260B 100 ug/1 <br /> Methanol* 7241 10 ug/1 <br /> Dissolved lead^ <br /> * Fuel oxygenates shall be analyzed in all monitoring wells during two monitoring events in the first and third quarters. If results are nondetectable for fuel <br /> oxygenates in all wells for both sampling events,no further monitoring for oxygenates is required. If a fuel oxygenate is detected,it shall be added to the quarterly <br /> monitoring program for the well in which it was detected. <br /> ^ If dissolved lead is detected,the Discharger shall perform verification sampling within 30 days of submittal of the monitoring report. If lead pollution is verified,the <br /> Discharger shall continue quarterly monitoring for dissolved lead. If the presence of dissolved lead is not confirmed,no further test is required. <br /> ug/I micrograms per liter <br />