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CRA
<br /> Table 2. Groundwater Extraction plass RemovalUat i, Former Shell Service Station, 2575 Country Club Boulevard, Stockton, California
<br /> Average WHI Benzene MTBE
<br /> Site Flow Meter Hour Mown Cumulative Flow TPHg Period Cumulative � Bmzene Period Cumulative MTBE Period Cumulative - i
<br /> visit Reading Reading Volume Rate Conc. Removal Removal Conn. Removal Removal Conc. Removal Removal Active
<br /> mm/dd/ al Ours) b ounds ounds b ounds Ounds b) ponds (pounds) Wells Comments
<br /> RW-10. MW-512 MW-8, Off upon arrival; troubleshoot LEL meter and
<br /> 11/08/07 709,205 1,467.8 709,075 0.00 3,400 0.00 938 4fi0 0,00 1]7 2,200 0.00 934 MW-18 p-nap; collect monthly samples; leave system
<br /> off
<br /> Troubleshoot LEL meter and
<br /> RW-IA, MW-512 MW-8,
<br /> 11/13/07 711 ,490 1,4712 711,360 0.32 NA 0.06 938 NA 0.01 137 740 0.01 934 MWte P-trap; collect warnples', on upon
<br /> depanoloom ure
<br /> RW-IA, MW-512 MPV-8.I Off upon arrival; collect weekly samples; on
<br /> 11/19/07 715,846 1,47]5 715,716 0.50 NA 0.13 938 NA 0.02 137 2,400 0,03 934 MW-13 i gran depeoul
<br /> RW-1 A, MlMW-8. Off upon arrival; collect weekly samples; on
<br /> 11/26/07 718}00 1,481 718,170 0.24 NA 0.07 938 NA 0.01 137 730 0:05 934 MW-18 upon departure.
<br /> . RW-IA, MW-312 MW-8,. System off upon arrival due to LEL meter,
<br /> 11/28/07 718,825 1,482 718,695 0.18 t NM NM NM NM NM NM NM NN NM MW-15 replumb discharge piprlp-leap; off upon
<br /> depanure (comrol panel intruded).
<br /> OR upon arrival due to LEL meter, rescan
<br /> Rol.IA, MI4-SR MW-8, _
<br /> 12103/07 718,976 1,482 718,846 0.02 4,200 0.01 938 260 0.00 137 1,000 0.00 934 MW-18 system,
<br /> fdue tolect UL meterrYalcormss a�ygvisitem t R
<br /> RW-IA, MW-SR MW-B,I' Off upon arrival due to LEL meter, collect
<br /> 1]110/07 719,635 1,483 719,518 0.07 NM 0.02 938 NM ,0.00 137 740 0.00 934 MW-18 vuoubelshoo LEL meter almum;eekly samples, systern left off o
<br /> '
<br /> RW-IA. MW-sR, M ut, OF upon arrival due to LEL meter, plumbing
<br /> 12/12/07 721,950 17487 721,820 0.80 NM 0.08 935 NM 0.00 137 NM 0.01 934 MW43 noiped, tell synem on
<br /> RW- IA, MW-8,. Off upon arrival due to LEL meter. system
<br /> 12117/07 728,970 11495 728,840 0.98 NM 0.25 939 NM 0.D2 07 1 ,200 0.07 934 MW-18 restarted and left operational on deparlgre
<br /> RW-I A, MW-SRhol choked for LEL at the site, restarted system,
<br /> 01/09/0B 73613M 19505 7362170 0.22 6,500 0.42 939 530.0 0.03 137 410.0 0.03 - 934 MN-18 monthly samples
<br /> SRW-IA, tall MW4I choked for LEL at the site, restarted system,
<br /> 01/14/08 773,140 4551 773,010 5.12 716M 2.34 941 930.0 0.29 137 21200.0 0.68 934 MW-38 atmual samples, Aqua-Siena calibration
<br /> RW-IA, MW-SR MW-8, Tech restarted system so Blaine tech could
<br /> 01/17/08 777,031 11556 776,901 0.90 NM 0.25 942 NM 0.03 IJ7 NM 0.07 935 Mµr.18 sample, tamed ort system cen departure
<br /> RW.IA, MW-SRMW$II choked for LFL or
<br /> at the site, rested system. I '
<br /> 01128/05 7789980 1 ,556 778,850 0.12 NM 0.12 942 NM en 137 2,600 004 935 MW-18 - weekly samples
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