Laserfiche WebLink
w <br /> nt Ensec0 <br /> � .1 lumvnc Cumpany <br /> Accuracy is measured by Percent Recovery as in: <br /> % recovery = measured concentration x 100 <br /> (actual concentration) <br /> Precision is measured using duplicate tests by Relative Percent Difference <br /> (RPD) as in: <br /> RPD <br /> recover test 1 - % recover test 2 x 100 <br /> .., (% recovery test 1 + % recovery test 2)/2 <br /> Control limits for accuracy (percent recovery) are based on the average, <br /> ard historical percent recovery . Control+/-3 ifterence)erange ofrom rOs(identical limits <br /> for precision (relative percent d <br /> duplicate DCS results) to the average, <br /> historical relative percent <br /> differen e + acs standard <br /> deviation unit <br /> advisor yaleimitsere arethere set, withothe <br /> enough h aror <br /> tment. <br /> approval of the Quality Assurance dep <br /> �..y IV Anal si s Results <br /> uch <br /> Test methods may include mameter°listsatiRepo°ting published <br /> are EPA adjustedethods sto <br /> les <br /> as reporting limits or parste <br /> refflctdilutonnanf"aserecepived"wbasis; i.hen el.,ano correctiondisamadesfor <br /> a. reported <br /> Er moisture content, unless the method requires or the client requests that <br /> 1 such correction be mad <br /> Results are on the attached data sheets. <br />