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rr <br /> �y <br /> Sample Storage <br /> ce <br /> Groundwater samples collected in the field are stored in anSampl chest <br /> tareostoredn a <br /> while in transit to the office or analytical laboratory. The refrigerator is set to t. <br /> refrigerator overnight and during weekends and holidays' le custodian. <br /> °C and is locked with access controlled by a designated same <br /> Quality AssurancelQuality Control objectives <br /> lin <br /> procedures employed by RESNA for groundwater sampling <br /> w, The sampling and analysisp assurancmP1( lity cor=trol (QA/QC.) guidelines. Quality <br /> and monitoring follow quality recuse, and <br /> ., ance objectives have been established to field data in anpaccurate,rp educes for <br /> assurance 3 <br /> obtaining and evaluating water quality and t Quality <br /> fete manner. In this way, sampling procedures and fie}d measurements provide <br /> comp arable and representative of actual field conditions. Q ty <br /> information that is comp ifie representative <br /> protocols and requiring the analytical <br /> C is maintained by site-spec goal is to provide data that <br /> control (QC) C checks. The g The definitions as <br /> laboratory to perform internal and extern�albQ� and represE utative. <br /> are accurate, precise, complete, cornp guidanceal agency documents for <br /> developed by Overseeing fwderal, state bil and ins and represen tiveness are: <br /> accuracy, precision,completeness, camp ty <br /> • Accuracy <br /> -- the degree of agreement of a measurement with an <br /> accepted reference or tru; Value. <br /> ements <br /> • Precision —a measure of agreement anion gdrn dterr�s of h <br /> under Sir.., eal ustandard <br /> filar conditions. Usually expres <br /> deviation. <br /> . ompleteness -- the amount of valid data obtained frorrs a <br /> C <br /> o-,ncompared to the amount that was expected to me t- <br /> measerernent system <br /> the project data goals. <br /> • comparability --express the confidence with which one data set can <br /> be compared to another. <br /> -tmples <br /> a sacrale or group of sthat reflect the. <br /> • Representativeness r P a oini. ft also includQs how <br /> teristics of the media at the sampling, p <br /> characg point represents the actual paramf ter van <br /> well the samplinations which <br /> are under study. <br /> RESNA INDUSTRIES, INC. <br /> Groundwater Sampling Protocol <br /> Latest Revision: October?3,1991 <br />