Laserfiche WebLink
41 <br /> I <br /> Wright Environmental Services, Inc. <br /> Quality control is maintained by site specific eld prof checks. The requiringgoalis to <br /> analytical laboratory to preform internal an external <br /> provide data that are accurate, precise, complete, comparable and representative. <br /> The definitions as developed by overseeing fedoermplet state, <br /> and local agency guidance e <br /> documents for accuracy, <br /> representativeness are: <br /> y - the degree of agreement of a measurement with an <br /> o Accurac <br /> accepted reference or true value. <br /> o Precision - a measure of agreement among individual measurements <br /> under similar conditions. Usually expressed in terms of standard deviation. <br /> o Completeness- the amount of valid data obtained from a measurement <br /> system compared to the amount that was expected to meet the project data goals { <br /> o Comparability - express the confidence with which one data set can i <br /> be compared to another. <br /> the <br /> o Representativeness - a sample or group.° It alsoles that in.cl des howtw ll <br /> characteristics of the media at the sampling po <br /> the sampling point represents the actual parameter variations which are <br /> under study. <br /> Revisions and Modifications <br /> This protocol may <br /> be amended for specific work plans, regulatory guidance, field <br /> This <br /> conditions or modified for <br /> special current suggested guidanceudo aumen s for•use in <br /> protocol has been prepared using contained therein <br /> site assessment project work plansang professional glen the e the modifications <br /> actual site sped c <br /> as well as the experience of pe <br /> conditions. Work will not be done which could provide cross con <br /> taminanon <br /> exposure Of st;ata. <br />+ last rev. 5/96 Page 7 <br /> WEs Sampling Protocols <br />