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s _ _ _ <br /> g <br /> M, <br /> � ,r <br /> J <br /> I <br /> Ertl{Ll) pROt'1?�^—.�)tfE?E:.9 <br /> The following section describes field prlpCedures that v.'ere Cunll,lcted by Delta persunlWl in the <br /> Performance of the tasks involVVj will, this project. <br /> 1.0 SUIS !?( I'tVlc.ANAVVSF;OF,G1101I II)WATER <br /> prior to purging and sampling ground water monitoring wells,a water <br /> sample <br /> a flowering,'Colic <br /> disposablefrom , <br /> morlitrringwell for subjective.analysis. The saraplewas collected by gentlyuid interface. The bailer <br /> polyethylene bailer to approximately on <br /> the bailer length past the airlliq <br /> was Then retrieved,and the sample contained within the bailer was examined for floating product and <br /> any appearance of a petroleum product sheen. <br /> 2.t1 GRO[INI)WATER�ND I�ItTE.11 OATING pIZOI)UCI'DEV ll i)i,TrRMINA'f[ON <br /> A waterlpetrolcum product interface probe was used to detcrrrill': free s product <br /> thicd es ihed grorface <br /> und <br /> water depth in each monitoring well. if a free-floating product layer <br /> probe,the tip of the probe was subjectively analyzed for pljduct sheen. <br /> 3.0 11IOIV1TORING WT1.1,prVr:1-Dl'1<1i N'1' pURG1NC� AND SAMPLING <br /> ed <br /> volumes of <br /> Monitoring wells were purged by balling or stored <br /> a3stored in10 5 t 5-gallon barrelst h�rsitca water. <br /> Ground water removed from the monitoring priate facility for <br /> water will be collected from the storage in a vacuum tank and transported to an apCro <br /> treatment or disposal. After purging,groundwater levels we.e allowed to stabilize. A water sample was <br /> ch of the monitoring wells with a dedicated polyethylene bailer. Samples were <br /> then collected from ea <br /> ored n ice from the time <br /> collected in air-tight vials appropriately labeled and st <br /> form was completed collanensthrough <br /> ensure <br /> time of delivery to the laboratory. A chain-of-custody <br /> integrity. Ground water samples were transported to the laboratory analyzed within the EPA-specified <br /> ;folding times for the requested analyses. <br />