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1.5 04.Deceinber'240;1 r <br /> .AGE,, •. 'r. 'i - ' <br /> NC Project No.�01-0828 ' <br /> Page 4 <br /> of o <br /> r •' ,. i [ - ,,R-., •.ry- l•I , 'y. <br /> ' 3.1.`2 Gi-oundNaterSample-Collection'. ' <br /> -ground'waterrsarnple was collected from probe borin P-2• <br /> 1 , _ , E _• , <br /> N The probe rads wexe'advanced io a depth approximately four`fe t'below he infIBIng rnrred wa e tablereen. <br /> hollow steel rods were then reino�red The <br /> Crrounc water and,a screened casing.. "as lmserted into'"the,saturated'zone <br /> was allowed to enter.the <br /> tubin g agd samples were,retrieved using a inociified PUC <br /> g bailer. ` Sfficient sample ,vvacolIe <br /> -' cont cted:tc fill four' 44-ii?1' EPA-a <br /> aining o:S m1.18% hydrochloric acid as°'a PProved".VOA'vials <br /> satzzple preservative and one'-4-liter amber bottlpe�wi hcitdt a's � �o- 'plastic bottle without a <br /> - sample con'tairiers were rob , tel? presErvative: Crround water <br /> labeled with.p e boring;designationdate'time: <br /> then placed in a chilled contaizaer r„ a ;"and samplers iiiitials_and <br /> 3':1.3. 1 quip en Decontaminati6n s <br /> Prior,to-'sample'coliectiG <br /> ori; eo robe'sail <br /> p s hng.,equiprnent was. thoroughly hised with clean. <br /> ater•aft�r being u'ashed'w th a,solution of Alcono : Geoprobe rods were thorau 1 .hl clean - <br /> -W-soil " g Y ed prior;' ' <br /> Pro boring advancernenf. - <br /> r_ <br /> .3.2 ANALYTICAL MET <br />'. •� HODS ,:• _ • , < • .. . ; <br /> ,The. sorb'and..gro'uhd.water samples were transported t l ' <br /> Cahforma. De a?tznent of o McC ,p e l•"Analytical Inc` (M.�j a <br /> P Health Services <br /> (DHS certified"'laborat6 , <br /> P1 25,Pl'-4Q P2 20 P , rye`far. analysis. Soil'-sam les <br /> 2.30 P3�15 andP3-20 and grab ground:water.s : P <br /> an y.- for the follovvirtg. amplePZ- O/10w0 1,were <br /> Total'petrole h ' <br /> 4 um' ydrocarbnns-quantified`as diesel (TPH �. <br /> motor oil TP d), as'gasoline``(TPH ) and - <br /> ( 1I-mo) m accordance with EFA Method,8015 g <br /> - odi <br /> Volatile alomatic.hydro arbors b <br /> F c eiizene,�toluene M fled, <br /> and:the o' rti; benzene and•total xylenes (BTE <br /> oxygenate' t r <br /> e h 1 eth r <br /> �Methai18020, rn t y ate ary, butyl e (MMTBE):in accordance' with`E A <br /> r' <br /> -Oxygenated"fuel additives MTBE teit�L y <br /> ary butyl alcohol(TBA), di-iso ro 1 ether' DIPS r <br /> eth l tern P .,IaY. ( ) <br /> Y ary, butyl ether, ETBE ,` ` ' , " <br /> }, tertiary amyl methyl ether; TAME r <br /> • in accordance with•'EPA,IViethod 8260 d. ),methanol;aiid,ethanol ` <br /> 1Zlodified; an <br /> Ethylezie...dibromide <br /> Metliod 8260 Modified. B) and 1,2q dschloroethane (1N 2 DCA}'in' accordance'with•.EPA , <br /> ) "# AdvancerlGeoEhvironmental, <br /> JUC.' <br />