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Sampling And Analytical Protocol <br /> The following pro <br /> tocols have been developed to increase <br /> grawidwater monitoring data. The the accuracy and comPmbilicy.of the <br /> purposes of estabNhing and faliowin .the f old <br /> II) to reduce Sources of error that can be introduced du do g protocols are <br /> in a consistent manner so that data sets arc'tom g sampitng and, <br /> to-collect samples <br /> 1�arable. Themfore <br /> comparability.and ace Pray goals for <br /> uiacy include following the Procedures aescn'bed in <br /> extent.possible. When field conditions necessitate a this section to the <br /> c cage firm the established protocols, the <br /> n �BeS be implemented with maintenance of <br /> ramPlm$ .accuracY and data set <br /> ility as priorities. Any modification to the star <br /> Protocol necessitated by field conditions and the-reasons ill noted an the wProceduresthhe .dcliaeated inthis <br /> Technicians Daily <br /> Report(See Section 17)-. - <br /> Depth To WaterMeasuzements <br /> Depth to water ineasurcments will be made in all'the wells at the site <br /> and�P�,including-wells that.are not to be sampled .Them pear to initiating P�nB <br /> times a year cmcnts will be made fou• <br /> • Y prior to initiating sampling round. There are na - <br /> depth to water nx pi=Onletes�t the site: The- <br /> easuremenis will be made consecutivcIy,in-as short a <br /> Potential errors due to dao_Iy variations in the water table. time as possible,to reduce--. <br /> D pth4,o_water (DTW) Will be measured.in the well tv within 11l UO of a foot <br /> conductivaty-based water level indicator. <br /> Measurements will be using a <br /> side of the fzome north or marked of casing of each well These n=im on the cas�gs have been <br /> licensed survey relative to meam sea level(ML). to welts with dcT=ted surveyed by a - <br /> PL1Q�is iinto the well thmugh.'special' holt in the well tlxc��level <br /> gill be = P- The conductivity probe and <br /> rtnscd in dciortzzed water before and after mfg the first.well, and"MIcr each <br /> subssequcat well. ?hc same water level indicator will be used in each WCIL <br /> mur�e <br /> easnt will be ed on a field obsctvation.sheet. th to warn <br /> Ma ' ' g We11 Fri �g <br /> Prior Ta _ <br /> Cwound fie•saxnpies will be collected.&nen existing monita�wells at F' - <br /> Purging the water+standing in the well. This water will be orward Landfill.aftcr <br /> Purged using either dedicated pumps <br /> or a special purge. that is dccantarainatcd between each well. The fallowing pmcedt=will <br /> be used to Purge the watar in the wcilprior to sampling the wells: _ <br /> 23-4U$49-Fo Z. A-6 <br /> vao°XkkMdr.t,_ rzxty I4,2WO <br />