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REC""EIVEI) <br /> �1 AUG 2 0 1992 <br /> ENVIRONMENTAL HEALTH <br /> ANMWf ���I�lT�SERdIEEp <br /> Alpha Analytical Laboratories Inc. • 860 Waugh Lane, H-1, Ukiah, California 95482 <br /> August 13 , 1992 (707) 4686401 <br /> r <br /> } <br /> Mr. Bob Marty <br /> Geological Audit Services i E <br /> i 1803 March Ln. - Suite A <br /> Stockton, CA 95207 { <br /> I <br /> Subject: Quality Control Report <br /> li <br /> QC SET # MEG 7159 <br /> MATRIX - WATER <br /> Batch 92-0702-6 <br /> Iill <br /> Method Matrix I ; Duplicate <br /> Blank SpikeSpike <br /> Recover Recovery ;[Recovery RPD , <br /> % i % o <br /> Diesel ND 91. 8 , 90. 8 1. 1 <br /> OC SET #'S CWH 10071, MEG 71253 <br /> MATRIX - WATERS <br /> Batch 92-0611-21 <br /> II 1 <br /> i�i <br /> Benzene ND 91. 5 i I 91. 4 1. 2 I <br /> Toluene ND 90. 1 �, 91. 7 1. 8 <br /> Xylenes ND 89 . 1 87 . 5 1. 8 <br /> Ethlybenzene ND 85. 4 i{ 93 . 6 2 . 1 <br /> Gasoline ND 93 . 8 87 . 6 6. 8 <br /> Diesel ND 87 . 0 �� ' 89 . 0 2 . 6 <br /> i <br /> QC SET #!8 MEG 7142, MJS 21348 <br /> 'k l <br /> MATRIX - SOIL l <br /> BATCH 92-0504-81i i <br /> I <br /> Diesel ND 83 . 0 I' 97 . 3 16 <br /> .f <br /> i I <br /> i� <br /> 1,. r <br />