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January 1 g96 <br /> Gn January 17, 199 ENSR j <br /> Febru on the sort vapor e 6' a source test Was <br /> ary i99G The xtractron syste Performed r <br /> SVE system iv m {SVE) by l'acrfrc Environmental <br /> approval from theas Put into o Group <br /> lVovernber San Jo Aeration an F <br /> 1996 �orrnance of the SVE Ilot, Valley Unified Air <br /> 12, 1996 after r <br /> Aar Pollution Co ecerpt of <br /> not be be however, the plot test indicated that Control District <br /> nefrclal based mass remove!trend at 2, <br /> X96 tuber Summ o ass remov d indica ed that <br /> Pounds of TPH9 was <br /> n rn <br /> Summary of 6 months SV a!versus hours continued operation <br /> gallons) of TPHg and 12 E pilot test indicated that a of operation Would <br /> January 1989 pilot study Pounds {7 6 ns ben e naxr 5 <br /> ar galla ) of p mately 2,74 <br /> Well Np-1 Was installed ne Was removed pounds (460 <br /> nd'groundwater ort January during the <br /> NPuspro <br /> S et at 85 to�samAling with a Simul 1999 with`✓olitrrn, <br /> logging a depth of 64 fee be well be? rhe frnalascree0 foot rrrteriral)sari <br /> Sort 9 was riot PerfOrnred ontMW Greened interval <br /> - 0) as installed S interval for NP_i <br /> analytical 7Q due to it's 50 to 60 feet le Gevly from <br /> and 60-foot Sem to collected from proxy <br /> MTBE W p!e and n m lvR1 re rnrty to NP-1 Geologic <br /> as not detecte dn'detect results 70 and ST <br /> EX BTEX increased d at any o f the Salts in the 7 EX in the 40-, So_ <br /> the 40-foot sarn aSed s'vrth depth from i amPle de <br /> . �Q-0 a , <br /> foot Sample Pis to 290 mg�l<g of Tp}l Mg/kg tP!!9 and�raat goat sarr7pH s <br /> g and82,579 4 °f TP g and <br /> Que to mfg of total Mg/kg <br /> total E37-EX in <br /> collected only of water for the Ex total the 60- <br /> Were highest <br /> at the Srmulprabe <br /> decreased <br /> in the 50 , 50- and 70-foot depths <br /> grourr <br /> M94) ased Signifrce s oot Sample(TP epths co' gro" dwater samples rare <br /> February iggg <br /> Quarterly Yin the 70-foot setup!{TPH�`���total Bof TExTP 5g and BTEX <br /> Y manrtonn mgll and total grX l)and <br /> Februar g of 1 t wells 14 7 <br /> {NPN,q Y`�, 199g In (MVV_ <br /> and other water <br /> 1 ^MW-fp and <br /> aside from the ter quality Parameters and STEX, +rrtonrtoa. re) was Conducted on <br /> vicinit Petroleum meters w d n nducte <br /> yin the site is poor and doYdrocarbQn impacts, thealYzed It should be <br /> etural tnoted that <br /> quality results rrrdreate that es not general d that <br /> wells meet the c Water note <br /> Salt water rntruslo at groundwater, A drinking quality In the <br /> May 2001 n is belt e We111yp. g water standar <br /> Monitoring wells MVV_ sued to i rs clearly different than <br /> Water <br /> 11 thr be occurr,n9 at well NP-1 samples were ough M nearby <br /> Sort sarnpfes analyzed f from T., gged boring from <br /> June�GOi or 7"P g locations MaY 2i _23 <br /> Groundwater ser 91 benze at 5 foot in , 20C�1 Sorl <br /> high levels A y of all ne and Mrg were reals All of t <br /> hr els of rPH lin wefts was E nen-detect he 20 <br /> the wells Based Q 9 and benzene in conducted on J <br /> were defined new rnonrorrrr many wells MT$Eune 5—6, 2001 Indicating <br /> flowed to The shallower , g Felts instal! Was not detected in <br /> bgs flowed o thnheast and the de�A (to an aPproxrtwo different groundam� any of <br /> e southeast per zone B, Ater zar7 <br /> aril zone 8 neee�ed ,(to gate depth of 60 feet bgs es <br /> June 2007 to be furl e, A needed o be fu approximofe depth ) <br /> '� 5 day vaAQr extras G'elineated to the so rther delineated tof 90 feet <br /> from three VF tion (VE) test W utheaSt the north <br /> wells V1rV-i VW-2 <br /> W as preforrned <br /> per minute {scat the <br /> frn)at applied vadum doVVV-J at rates bet site from June 18 <br /> f i to 6 Inch Ween 8 to 14 standard22, et <br /> Inches <br /> of Watetcolurnn Resut of t <br /> 2-3 <br />