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-.SEP 20 '96 10:57 TO 916 255 FROM HML-AQUATIC PARK T-863 P.02 <br />7 <br />California Department of Toxic Substances Control <br />Hazardous Materials Laboratory <br />2151 Berkeley Way, Berkeley, Ca 94704 <br />Quality Assurance <br />PH <br />ectr• _ c methodReference: <br />• _d PH- <br />I. <br />• <br />calibration Standard <br />Data <br />1D vendor; <br />PN <br />Lot <br />No. <br />i <br />_r <br />111. Laboratory Duplicate Sample <br />960122-24 <br />i i <br />• i , <br />♦- <br />- i <br />ri. Laboratory control Sample <br />_ <br />Lot <br />No. <br />Expected <br />111. Laboratory Duplicate Sample <br />- <br />Sample - <br />Result <br />i i <br />• i , <br />♦- <br />Efficiency <br />i <br />of DI <br />H2 o used in dilution <br />111. Laboratory Duplicate Sample <br />- <br />Sample - <br />Result <br />„Absolute <br />Diff - _ <br />♦- <br />- i <br />3 1 <br />Date: <br />Analystz <br />AayE­ Date: <br />ida iii �fi�� <br />Supervis� _. ate• ... <br />ila•s. <br />- • - <br />