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Dual Phase Extraction Sys teGrounrlwater Analytical Data • <br /> Parcel 2A-L&M OU <br /> 666 West Weber Avenue,Stockton,CA <br /> HEM I I Ethyl- Totel <br /> TRPH w/SGT TPHg TPHA TPHO Benzene Toluene benzene Xylanes MtBE ETRE TAME TBA 2 <br /> Date Sampled Sample ID Notasl pH (mglL) (mg/L) (pglL) (pg/L) (PgfL) (pg&L (PIPL) (pg/L) IP9/LI IpNll DIPE(Pg1L) ETBE TAME (TBA <br /> Groundwater treated using oillwalar separator.a 3,000-Ib organoGay vessel.and two 2,000-Ib GAC vessels. <br /> 3/182004 GW-INF 1 - - - 5,100 260,000 98,000 11.5 <1.5 11.5 <L5 11.5 <1.5 11.5 11.5 20 <br /> 3/182004 GW-MID4 - - _ 130 4,400 410 10.50 25 10.50 29 1.1 10.50 10.50 10.50 11 <br /> 3/182004 GW-MID-2 - _ _ <50 61 1100 10.50 10.50 10.50 10.50 10.50 <0.50 10.50 <0.50 15.0 <br /> 318/2004 EFF 8.76 <1.0 - <50 150 1100 <0.50 10.50 10.50 10.50 10.50 10.50 <0.50 10.50 <5.0 <br /> 3/=D04 System atl for 24-hour collection of va r PAH sem es. <br /> 323200d System shut down following comple8on of vapor PAH sample collec8on. PAH results outede of ATC Xmits;agemate ATC needed to operate. <br /> 4/4/2004 A mximatal 5,840 gallons of mundv Ater stored in holding tank discharged to sancta sewer. <br /> 82/2004 ATC Number N-0878-1-2 issued 7202004.System restartetl. <br /> 8/32004 GW-INF 2 - - - 29,000 720,000 240,000 15.0 <5.0 15.0 15.0 <5.0 <5.0 <5.0 15.0 125 <br /> 8/32004 GW-MID-1 - - - 98 360 1100 <0.50 0.82 10.50 1.7 10.50 10.50 10.50 <0.50 9.8 <br /> 8/3/2004 GW-MID-2 - - - <50 150 1100 <0.50 10.50 10.50 10.50 <0.50 10.50 10.50 <0.50 15.0 <br /> 8/3/2004 EFF 7.64 <1 0 - 150 150 1100 10.50 <0.50 <0.50 10.50 10.50 10.50 10.50 10,50 15.0 <br /> 1028-292004 Approximately 18,000 gallons of water from the dacontamina0on of removed pi peignes treated with the---.n.1.1 and GAC vessels.No wastewater dlschar e. <br /> 11/12009 GW-INF - - - 33,000 2,900,000 1,100,000 <20 120 20 <20 120 <20 <20 20 1200 <br /> 11/12004 GW-MID-1 - - - 16,000 1,300 300 110 1,400 9.1 450 <0.50 <0.50 10.50 <0.50 10 <br /> 11/12004 GW-MID-2 - - - <50 57 1100 <O.W 10.50 <0.50 <0.50 10.50 10.50 10.50 <O.W <5.0 <br /> 11/12004 3W-MID3 ANP 3 - - _ s50 "a, me 10.50 <0.50 10.50 10.50 10.50 10.50 <0.50 <O.W <5.0 <br /> 1292004 Carbon changeaB In loo 2.00416 GAC vessels,treatment system augmented wif free 30D-Ib EC300 vessels to adsorb TBA, <br /> 12/132004 Sstem stertea for 24-hour collection of vapor PAH samples. <br /> 12/14/2004 GW4NF 3.4 - - - 22,000 1,100,000 ]50,000 12.0 LS 2.0 11 7.0 <br /> 12/1 12.0 12.0 c2.0 10 <br /> 1 42004 GWID-1 6 - - - 3,000 1,200 190 44 990 6.0 360 12.5 <2.5 12.5 12.5 <15 <br /> 1/142004 GW-MWID-2 _ _ _ cO 150 <100 <0.50 10.50 10.50 <0.50 10.50 10.50 <0.50 10.50 15.0 <br /> 12/142004 GW-MID-3 - - - <50 <50 1100 <0.50 10.50 10.50 10.50 <0.50 <0.50 10.50 <0.50 <5.0 <br /> 12/192004 GW-MID4 - _ _ 150 150 1100 <0.50 <O.50 <0.50 10.50 <0.50 10.50 <0.50 10.50 15.0 <br /> 12/142004 GW-MID-5 - _ _ 150 <50 <100 <0.50 <0.50 <0.50 10.50 10.50 10.50 <0.50 <0.50 15.0 <br /> 12/142004 GW-EFF 7.97 11.0 - 150 <50 1100 10.50 <0.50 10.50 <0.50 10.50 <0.50 10.50 10.50 15.0 <br /> 12/162004 System testa e , <br /> 1/13/2005 GW-INF 5,6110,000 10.50 10.50 10.50 1.9 10.50 10.50 10.50 10.50 15.0 <br /> 1/132005 GW-MID-1 6 - - _ 3,200 Sg000 11,000 0.66 9.0 0.63 T 10.50 10,50 10.50 <0.50 15.0 <br /> 1/132005 GW-MID-2 _ _ _ 150 <50 1100 10.50 10.50 10.50 10.50 10.50 <0.50 10.50 10.50 15.0 <br /> 1/132005 GW-MID-3 - - _ c50 150 1100 10.50 10.50 <0.50 <O.W 10.50 10.50 <0.50 10.50 <5.0 <br /> 1/132005 GW-MID4 _ _ <br /> 1/132005 GW-MUDS _ _ _ _ _ - - - - 15.0 <br /> 1/132005 GW-EFF 7.92 qI0 - 150 150 <100 10.50 10.50 <0.50 10.50 10.50 10.50 10.50 <O.W 15.0 <br /> 218/2005 GW-INF -- - - 16,000 400,000 240,000 <5.0 <5.0 <5.0 9.1 15.0 15.0 15.0 15.0 125 <br /> 2/82005 GW-MID-1 - - - 2,900 18,000 19,000 10.50 td 10.50 49 10.50 <0.50 10.50 <0.50 15.0 <br /> 2/8/2005 GW-MID-2 - _ _ <50 93 <100 <0,50 <0.50 10.50 <0.50 10.5D <0.50 10,50 <0.50 <5.0 <br /> 2/$/2005 GW-MIO-3 _ _ _ <50 t50 1100 10.50 10.50 <0.50 <0.50 10.50 10.50 <0.50 10.50 15.0 <br /> 2/812005 GW-1,1I04 _ _ <br /> 2/8/2005 GW-MID-5 _ _ _ _ _ _ _ - - - - <5.0 <br /> 2/62005 GW-EFF ].6 q0 - c50 150 <100 <0.50 <050 <0.50 <0.50 1050 10.50 10.50 10.50 15.0 <br /> V\185TadIveVNewateN85]50217_tidewater_stocktony2a\05_mpoA_4eXVWnvgs tleagnaYaCles\08M Tablas 201511015Narcel 2A OM TWM 1015.dsx <br /> Page 1 or 19 <br />