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<br />"" c.. <br />L..J l} <br /> <br />. i <br />r. = <br />J LWi <br /> <br />(1 ) <br /> <br />where: <br /> <br />· c = weight of particular component <br /> <br /> <br />· w = sum of all component weights <br /> <br /> <br />· for i = 1 to n, where n = number of selected samples <br /> <br /> <br />· for j = 1 to m, where m = number of components <br /> <br />For example, the following simplified scenario involves three samples. For the <br />purposes of this exampl~, only the weights of the component carpet are <br />shown. <br /> <br />Sample 1 <br /> <br />Weight (c) of carpet 5 <br />Total Sample Weight (w) 80 <br /> <br />Sample 2 Sample 3 <br /> <br />3 4 <br />70 90 <br /> <br />r Cmpet = I 5 + 3 + 4 = 0.05 <br />80 + 70 + 90 <br /> <br />To find the composition estimate for the component carpet, the weights for <br />that material are added for all selected samples and divided by the total <br />sample weights of those samples. The resulting composition is 0.05, or 5 <br />percent (50/0). In other words,S percent (50/0) of the sampled material, by <br />weight, is carpet. This finding is then projected onto the stratum being <br />examined in this step of the analysis. <br /> <br />Facility Agreement, Attachment 2-H <br />Contamination Measurement Methodology <br />Page 9 of 19 <br />