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¢ Sampling And AjWytiW*protocol <br /> The following - - <br /> t folio erg protocols have been developed to increase the acctnrac <br /> . monitoring data. Thep of estabGs Y and cornparabrLty_of the <br /> {l) to reduce sources of amr that can be intrad and followings field protocols are <br /> iced dtnrtng sampling and, (2,) to-collect samples <br /> in a consistent manner, so that data sets are•compazable. Therefore, prqiea <br /> comparability.and aw acy include following the procedures dcscn'bed goals for <br /> e ctettt.Possible. When field conditions necessitate a change front The established section to the <br /> n changes will be implemented with mahntena= Of Sam t' protocols, the <br /> F ng:accuracy and data set <br /> comparability as priorities. Ady meMcation to. the standard <br /> procedures delineated in this <br /> protocol necessitated by field conditions and the-reasons-will be noted on the Technicia <br /> epAs Dad <br /> .Report(See Section 7.7).. - y <br /> Depth To Water Measurements <br /> Depth to <br /> water;measurements will be made in all•the we&at the site prior,to initiating <br /> �P�,including.-wells that.arc not to be lam, . Pig <br /> � F measurements i71 be made falx <br /> times a Year prior to initiating <br /> ' g each sampling round Thera are no pir.�m��the site, <br /> depth to The- <br /> dep water n►c ents will be wade consecudvciy,itiYs short a time as - r- <br /> Patential errors doze to daily variations in the water table. possible,to reduce--. <br /> 5 <br /> Dg2th4o water (DTW) will be measured.in the well <br /> to wrrhrn 1/100 of a foota <br /> g conductivity-based water level indicator.- Measurements will be g <br /> taken�fr+om the north or marked - <br /> side of the top of casing of each well. These marks on the casinp <br /> have been sunreyed by a <br /> Incensed survey_sialine to mean sea level(MSL) £n wells with dedicatedPUMPS,the water level -- <br /> Prob'e is into the well through a special holo in the well cap. The candied <br /> cable-;rill be � probe and <br /> rinsed in dciornized water before and after m well, and after each <br /> subse�vcuming the first. <br /> t well The Sam water level indicator will be used in each we& Depth to water <br /> measurcruent will be recorded on a field observation sheet.. <br /> Monitoring Well pwZing prior To Sampling <br /> Groundwater-samples will be collected from existing monitoring welts at Forward <br /> Landfill After <br /> Ping the waterstandingin the well. This water will be purged using either dedicated pumps <br /> or a special purge Pump that is dewnuminated between each well, The following pr0=1t=will <br /> be used to PUrge the waterStanding in the well prior to sampling the wells: _- <br /> 849-Fo 112310R32S. A-6 <br /> COW4*2000 Kk&tedda.jw July 14,2000 <br />