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SEQUOIA ANALYTICAL APR � � 19931900 Sates Avenue + Suite LM • Concord. California 945FEB Z 1993 <br /> (510) 686.9600 • FAX (510) 686-9689 WI ONMENTAL HEALTH <br /> P8 <br /> � . ..� _ . ERMIT/SE <br /> RVf�:ES: <br /> Alton Goosclence Client Project 16:' <br /> D: Former il+lobit04 J 30-0136-aD :µ <br /> 5870 Stoneridge Drtve, Suite 6 Method EPA 8270 C.C. Sample Dates <br /> �Pieasanion, CA 94588 ArWyst(sy: Son Le Extracted: Jan 26, 1993 <br /> Attention: Stephan Rosen OC Sample #: Matrix Blank Analyzed: Jan 28, 19903 <br /> ` Reported Jan 29, 19w <br /> OUALiTY CONTROL DATA REPORT <br /> Matrix Code. Matrix Spike <br /> Cone. Spike Msuft Duplicate Relative <br /> Sample Spike Conc. Matrix % Spike % % <br /> Anatyte Cone. Added Spike Recovery Duplicate Recovery Difference <br /> PherwA N.D. 100 74 74 71 71 4.1 <br /> 2-Chlorophenol N.D. 100 67 67 68 68 1.5 <br /> 1.4-DicHoro- N.D. 50 38 76 36 72 5.4 <br /> benzene <br /> N-Nllroso-DVN. N.D. 50 46 92 44 a8 4.4 <br /> propoamine <br /> 1.2.4-Tr1cNoro- N.D. 50 38 76 36 72 5.4 <br /> benzene <br /> 4-CNoro- N.D. 100 79 79 77 77 2.6 <br /> 3-Methylphend <br /> Acenaphthene N.D. 50 42 84 41 82 2.4 <br /> 4-NkroptwxA N.D. 100 26 26 37 37 35 <br /> 2.4-Dinkro- N.D. 50 33 66 36 72 8.7 <br /> toluene <br /> Penitachtoro- N.D. 100 62 62 69 69 11 <br /> lend <br /> Pyrene N.D. 50 63 126 63 126 0.0 <br /> SEQU ANAL CAL x pw x 100 <br /> Retad" !4 Diff: t M.of ILS.-00M.d K&O. x 100 <br /> l� 0 + a 2 <br /> Project Manager 301oscrxr < > <br />