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'f <br /> I <br /> la <br /> Alpha Analytical Laboratories Inc. 860 Waugh Cane, H-1, Ukiah, California 95482 <br /> August 13 , 1992 (707) 468-0401 <br /> �j <br /> � I <br /> Mr. Bob Marty <br /> Geological Audit Services I <br /> 1803 March Ln. - Suite A <br /> Stockton, CA 95207 <br /> F <br /> it <br /> Subject: Quality Control Report +� - <br />'I <br /> C SET # MEG 71591 <br /> MATRIX - WATER <br /> I <br /> Batch 92-0702-•6 <br /> Method Matrix iF Duplicate + <br /> Blank Spike ; Spike <br /> Recovery Recovery !I Recovery RPD <br /> % % % <br /> I Diesel ND 91. 8 II 90. 8 1. 1 <br /> li 1� ' <br /> QC_ SET VS CWH 10071, MEG 7153 <br /> MATRIX - WATER <br /> ;I <br /> Batch 92-0611-2 C <br /> �I <br /> Benzene ND 91. 5 ` 91. 4 1.2 <br /> Toluene ND 90. 1 91.7 1. 8 <br /> Xylenes ND 89. 1 87 . 5 1. 8 <br /> Ethlybenzene ND 85. 4 '1 93 . 6 2 . 1 <br /> Gasoline ND 93 . 8 w 87 . 6 6. 8 <br /> Diesel ND 87 . 0 f 89 . 0 2 . 6 ! <br /> C SET PS MEG 7142 MJS 2 348 <br /> MATRIX - SOIL I <br /> BATCH 92-0504-8 <br /> r <br /> Diesel ND 83 . 0 G 97 . 3 16 <br /> it <br /> i; <br /> I <br /> I I <br />