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CRA
<br /> Table 2, Groundwater Extraction Mass Removal Data, Fourier Shell Service Sutton, 2575. Country Club Boulevard, Stockton, California
<br /> Average TPA Benzene _T MTBE
<br /> Sire Flow Meter Hour Muer Cumulative AFlow TPHg Period Cumulative Benzene Period Cumulative MTBE Period Cumulative �.
<br /> Visit Reading Reading Volume Race Cmd. Removal Removal Corp. Removal Removal Cone. Removal Removal Active
<br /> run/ W b o=W (pounds) b moulds) (hounds) b found unds Wells Comments
<br /> MW-5R, MW-e
<br /> 02/0.4/00 806,670 1,595 806,540 2.75 122000 2.77 945 1.900.0 0.44 138 5,600.0 1.29 936 RW-IA, MW' 10 no LEL alum, PS-I pressure switch
<br /> No LEL Alarm, System Down on Arrival,
<br /> ' RWIA, hIW-SR MW-8, Compressor not funetienin& Hour meter not
<br /> 01/08/08 823,680 1,690 823,550 295 12,000 1.]0 946 1,900.0 0.27 138 5,600.0 0.79 937 MW-18a orrect - shows continuous operation
<br /> Numbers from Field call (CS 2-8)
<br /> 1 RW� IA, MW'-5R MW e,
<br /> ovilloB 834,650 1,]07 834,520 254 NM 1.10 947 NM 0, 17 138 ],000 0.64 937 Mw-IS Pressure switch (PS-Il
<br /> RW IA MW.SR, MW-N. Pressure switch 2
<br /> 01/18/08 865,870 14756 865,740 3. 10 NM 3, 13 951 ! NM 0.49 139 7,700 2.01 939 MW 18 CPS-1) -
<br /> ' RueIA, MW-SR, MW-e,. presswe
<br /> 01/20/08 881,660 1.781 001$30 5too M 1.58 952 NM 0.25 139 NM 092 940 mOdi(ed Vessels to decrease
<br /> , ,.
<br /> 01125/08 932,100 1,901 931,970 7.01 NM 5.05 957 NM 0.00 140 81200.0 3.45 944 RWIA
<br /> MW 18 MW-is, MW-8modified vessels mdecrcaze pressure
<br /> RW-IA MW-SR, MW4 OR on arrival, adjusted psi settings on sill
<br /> 03/03/08 965,890 11958 965,]60 3.35 15,000 4.23 961 2,300 0.65 140 6,700 1.09 946 MW-is fillers
<br /> RW-IA, MW-5R MW-8,. Off on arrival, adjusted psi settings on silt
<br /> 02
<br /> 03/11/08 1,005,450 215 1,005,320 3.43 NM 4.95 966 NM 0.76 141 7,200 2.38 948 ry1W le filters
<br /> RW-IA, MW-SR. MW.B,
<br /> 03/13/08 12035,434 2,075 1,035,304 10.41 17,000 4.25 971 3,000 0.75 142 6,300 1.58 950 MW m
<br /> l8 turned off pending mo
<br /> RW-IA, MW-SR, MW-8, on atter cxo
<br /> 03/25/08 1,038,660 2,081 1,030,530 0.19 NM 0.46 971 NM 0.06 142 5,500 0.15 950 MW-18
<br /> Rw-IA MW-SR NOVA,
<br /> 0328/08 1,001,310 2,155 11081,180 9.8] NM 6.05 97 NM 1.07 143 NM 1.96 952 MW 18 ofrpentling system cvuluation
<br /> Total Gallons Extracted: 3,79f 266 TOtalfound Rem d: 977 out pounds Removed: 143TO IP dR d. 952
<br /> T WG 11 B ed 160 4 el Gall R d 195 T IG II Re d� 154 '
<br /> Abbreviations & Notes:
<br /> TPHg =Tout purgeablehy&merlons as gasoline
<br /> MTBE= MeWyl tmia holy] enter
<br /> Conc. = Concentration
<br /> ppb = Paris; per billion, equivalent to WL
<br /> µ8/L = Micrograms per liter
<br /> L= Liter
<br /> gpm = Gallons Per minute
<br /> gal = Ulm
<br /> g = firm
<br /> NS =Not sampled
<br /> NA = Not analyzed
<br /> NM = Normenitmed
<br /> TPHg, bervene and MTBE analyzed by EPA Method 8260
<br /> a= TRPH concentration used in lieu ofTPHS
<br /> Mass removed based on We f ulte volmme extracted (gal) x Concenuarim (4W1.) x (Vi6og) x (potmd/453.6g) x (3.735I/god)
<br /> wbm cousdtnms are not detected. We concentration is assumed to be equal to half We demotim limn in subsequent calculations.
<br /> Volume removal data based an We formula mass (Pounds) x (demiry}I(cr'Ng) x 453.6 (g/pound) x (V1000 em') x (64113.785 L)
<br /> Density inputs: TPHg = 0.73 g/c+i?, become = 0.88 Wear ', MTBE = 0.74 g/cm'
<br /> TPH& become and MTBE analyzed by EPA Method 8260B
<br /> ' Approximately 23,578 gallons ofe aracted gmurWwtow was off-hawed to Shelia Martinez Refinery using vacuum Vucks betwem June 11 and hint 25, 2004. -
<br /> 2 = The July 3, 200] c loenr sample was not analyzed for HEM-S GT Oil & Grease due to mine preservation issues', Naefine an additional e(Bumt sample was collected on July 27,3007 to be
<br /> analyzed for HEM-SGT Oil & Grease.
<br /> ' System shutdown August 22, 2W7 through November I, 2007 for LEL meta troubleshooting,
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