Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City,CA 94063 <br /> (415) 364-9600 • FAX(415)364-9233 <br /> ZEN <br /> ,iWaterworic '��% <br /> Cllerit Project ID 378,Chevron/Stockton <br /> 1710 Main Street <br /> SScalon, CA 95320 <br /> Attention. Tina LePage OC Sample Group. 1054430-0432 - <br /> Repoited: May 20, 1991 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ety�- <br /> Benzene Tokwne Benzene Xylenes <br /> EFA FPA F-PA EPA <br /> Method 8015/8020 8015/8= 8015/8020 8015/8= <br /> Analyst J Fantecha J Famcha J Fontectaa J Fontecha <br /> Reporting Units- mg/kg mg/kg mg/kg mg/kg <br /> Date Analyzed May 12, 1991 May 12, 1991 May 12, 1991 May 12, 1991 <br /> CC Sample#. 1054004 105.0004 105,6004 1050004 <br /> Sample Conc: N D. N.D N D N D. r <br /> 'Spike Conc. + <br /> Added: 040 040 040 12 <br /> Conc. Matrix <br /> Spike: 044 0.40 040 1 1 <br /> Matrix Spike <br /> %Recovery: 110 100 100 92 <br /> Conc Matrix <br /> Spike Dup.: 046 036 026 1 1 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 120 90 65 92 <br /> Relative <br /> % Difference: 44 14 42 00 ` <br /> IA ANALYTIC L x Recovery- Conc at MS -Conc of Sim—pis X 100 <br /> Spike Cans Added <br /> Wative%Difference Conc of M S -Cone of M.&o X 100 <br /> tX <br /> (Conc ofMS + c ofMS.D)/2 <br />_ oject Manager <br /> 1050430was <x> <br />