Laserfiche WebLink
t Sampling Ahd'Analytical'Protocol <br /> The following protocols have been developed to increase the accurac <br /> gmundwatcr monitoringdata, The Y and ' ►mpm'ability.of the <br /> purposes of establishing and following.the fi-e�d protocols ars <br /> (1) to reduce sources of error that can be introduced during <br /> sampling <br /> in a consistent manner so that data sets are•com 1G and. ) to calleet sample <br /> Therefore <br /> comparability .and acxuracy include follrowing the praceduras d .Therefore, Project p1OJ� goals far <br /> Wdent-posm°ble. Wben field conditions necessitate.a change from-the <br /> becstab section.to the <br /> n . changes will be implemented with maintenance. of curac protocols, the <br /> comparability as �Pl� :accuracy and data set <br /> priorities. Any modification to. the standard <br /> Procedures delineated•in this <br /> Protocol necessitated by field conditions and the-reasons-will be noted on the Technicians Daily <br /> Report (See Section 2.7).. <br /> Depth To Water Measurements <br /> Dem' to tea'measurements will be made.in all"the wells at <br /> 'the site prior.to initiating purging <br /> and sampling, including.wells that arc not to be sampled. The measurements wihl be made fou, <br /> times a year prior to initiating each sampling round There are <br /> depth to water no Piezometem at the site: She -- <br /> eP measurements will be made.consecutive) iu'as short a time as <br /> y' possible,to reduce.,.' <br /> Potential ernor$due to daily variations in the water table. <br /> nth-ro-water.(.DTW) will be measured -in the well to within 11100 of afoot �%n a <br /> t cond�uctiv�ity-based water level indicator., Measuremezits will lie g <br /> side of the top ®f casing ®f�.ach wr1L These �� on �e �from the north or..marked <br /> . licensedhave hien surveyedbya <br /> survey relatide to nuan sea level ). In wells with dedicated pmt the water level <br /> probe is inserted into the well through a i hole in the well cap. Thecanduc6vhy probe and <br /> cable-will be rinsed in deioni=d water before and after measuring the fust-we11, and after each <br /> subsequent well. The same water 'level indicator will be used in each well. Depth to water <br /> m «it Will.be recorded on a field observation,sheet, <br /> Monitoring Well Purging Prior To Sampling <br /> Group er.samples will be.collected from monitoring wells at Forward Landfill After <br /> purging the water standing in the well, ,Thus water will be purged using either dedicated Pumps <br /> or'a:specialPurge.pump that is deco between each well. The folio <br /> wing procedure wi11 <br /> be used to purge the water standing in the well prior to sampling the wells: <br /> 849-Ft) <br /> A-6PYd "M vR.1W_ <br /> "" 14,2M <br />