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�f <br /> i <br /> waterwork <br /> Groundg,t er <br /> Samnli_�a Protoc, <br /> Groundwater monitoring wells will be developed Within <br /> t ; Completion. A P hzn 48 hours of <br /> withdrawn, IO times the volume.. of water in <br /> casing will be withdrawn the <br /> w <br /> recharge, development ' if .risible. If the aquifer is slow to <br /> 1 :. g-� will continue until recharge is too. slow to <br /> practically continue. All withdrawn <br /> on-site in covered 55 groundwater will be stored <br /> r granted by the appropriiateorewulatoaste drums' unless permission is <br /> },., P Ped groundwater to the g ry agencies to discharge the <br /> ground surface. t <br /> Prior to arriving at the site all s <br /> washed with laborato ' amPling equipment <br /> ry grade detergentwill be <br /> , and rinsed twice with tap <br /> water and once with deionized water. <br /> The le <br /> Procedure will be carried out on-site before ssaspPlingwashing <br /> - <br /> Monitoring wells in cases where more than one monitoring well is <br /> - - Fey <br /> to be sampled. ' <br /> Immediately prior to <br /> sampling, the depth to water (DTW) level in <br /> the groundwater, if The thickness of product on top of <br /> probe. The Present, will be measured using an interface <br /> � �... presented in the <br /> Gro <br /> Procedure for conducting these monitorings are <br /> �- GroundwaterSonitoring Protocol attic <br /> hment. <br /> Approximately four times the volume of water in the well olein <br /> will be withdrawn by pumping or hand bailing immediately prior to <br /> �-° <br /> sampling. If the aquifer is slow to recharge, a smaller amount } <br /> ground-water will be withdrawn in order to leave a sufficient <br /> volume of water in the wall to sample. ' <br /> The groundwater <br /> sampler into the monitoringle ll ba well andlimmedia cted elawtran <br /> Ing a Teflon <br /> sample into a 40 ml volatile organic analysis y(VOA)sfcontagner� <br /> The sample container will be filled completely so that LO head <br /> space remains in the container. Duplicate samples <br /> collected from each well sampled. will be , <br /> Immediately following <br /> labeled and stored in asample collection, the samples will be <br /> n ice chest containing blue ace The <br /> labels will , <br /> contain the following information: date, time <br /> `- project ID, sample ID, nage of sampler and type of analysis. All <br /> samples will be transported under chain of custod <br /> state certified laboratory., Y Protocol to a 4 <br /> To reduce the potential of cross-cantaminaion, the wells will be <br /> sampled in order of increasing contamination based on previous <br /> laboratory analysis, if available, or b <br /> visual/olfactory,rY indications of contamination. . In�sidddicionf.. <br /> latex gloves warn by the sampler and the nylon cord used to lower <br /> the t®flon sampler will be replaced between each well sampling. <br /> t , <br />