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Ia- - <br /> Alpha Analytical Laboratories Inc 860 Waugh Lane, H 1, Ukiah, California 95482 <br /> (707) 468 0401 <br /> Page 2 <br /> IQuality control Report <br />' Method Matrix Duplicate <br /> Blank Spike Spike <br /> Recovery Recovery Recovery RPD <br /> P O O o <br /> 1, 2-Dichlorobenzene ND 102 1.06 3 . 85 <br /> 1 , 3-Dichlorobenzene ND 102 109 6. 64 <br /> 1, 4-Dichlorobenzene ND 103 105 1. 92 <br />' 1, 2-Dlchloropropane ND 91 . 0 106 15 . 2 <br /> cis-1 , 3-Dzchloropropylene ND 89 0 98 . 0 9 . 63 <br /> trans-1 , 3-Dichloropropylene ND 92 1 104 12 . 1 <br />' Methylene Chloride ND 94 2 96 . 3 2 . 2 <br /> 1, 1, 2 , 2-Tetrachloroethane ND 111 116 4 . 41 <br /> Tetrachloroethylene ND 102 108 5 . 71 <br /> 1, 1, 1-Trichloroethane ND 113 95 . 3 17 . 0 <br />' 1, 1, 2-Trichloroethane ND 96 7 103 6 . 31 <br /> Trichloroethylene ND 95 . 1 97 . 1 2 . 08 <br /> Trichlorofluoromethane ND 95 1 97 . 0 1. 98 <br /> IVinyl Chloride ND 80 6 79 . 5 1.. 37 <br /> This Batch passes method quality control acceptance criteria. <br />' ND = none detected <br /> I <br /> I <br /> I � <br /> i <br /> I! Bruce L Gove <br /> Laboratory Director Date Printed 3/25/9 <br /> I <br />