Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord,California 94520 <br /> NO (510) 686-9600 FAX (510) 686-9689 <br /> .::..v..n. .n.n'i.:v:n:.:..a.::v; ..:}'.:v.:.}:•:::{.ay.:•::..v...........:.. <br /> n' <br /> r II I Ilenf•Euro`ec 'f� l;�nocal"fi01 �`'Kettle `>rod'" <br /> �p ea an Er1g neerlfig;Yi�ic: C ) , <br /> "::2401 Stanwell Drive, Suite 400 <br /> -Concord, CA 94520 <br /> :Attention: Mardo Kaprealian, P.E. OC Sample Group: 2070385-393 Reported: Jul 21, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> SURROGATE <br /> EPA EPA EPA <br /> Method: 8015/8020 8015/8020 8015/8720 <br /> Analyst: A.P. A.P. A.P. <br /> Reporting Units: pg/L u9/L pg/L <br /> Date Analyzed: Jul 15, 1992 Jul 15, 1992 Jul 15, 1992 <br /> Sample #: 207-0392 207-0393 Matrix Blank <br /> Surrogate <br /> %Recovery: 100 101 110 <br /> 4kE0UOIA ANALYTICAL %Recovery: Cone.of M.S.-Conc.of Sample x 100 <br /> Spike Cone.Added <br /> Relative%Difference: Cone.of M.S.-Cone.of M.S.D. x 100 <br /> ett A. hleffo (Cone.of M.S. + Cone.of M.S.D.)/2 2070395KFI <4>ect Manager <br />