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r r' <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City.C <br /> 94063 <br /> (415)364 9600 • FAX(415)364-9233 <br /> ,, f � ,rM'tsx^ �i",�l'""'!"•'"q.." d' .._ r .:;,re.�..�« :ru h„,.._. ,..F Y+ `-�'Y^^"s" �kr ., ...... .s! ........ . <br /> Valley Grower% '0 <br /> Illlaterwfs i6 Mx.>» .rr,FoF r.>� h m Client Project ID.SRI- 62102-1 <br /> 1710 Win Street <br /> �Escalon CA 95320 Reported Oct 3. 1990 <br /> �Attentlon Bill Channell .w QC SampleGroup92843 D092�84E ,r M .�: ; w: . «�• -Ha... . <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE &n:sns Toluarw EtlM Xylenaa Total CHI <br /> sen2ene d Gmass <br /> EPA EPA EPA EPA <br /> Method: 8015/8= Bots/em 8015/9= e015/e020 W-30 ME <br /> Analyst: W.Parks W.Parka W.Puka W.Parka LL <br /> Reporting Units: ue/L welt. PDX W/L rog/L <br /> Date Analyzed: Oct 1. 1990 Oct 1. 1990 Oct <br /> c 1. Cgo O 190 Sep 25,009440 81x92119 <br /> OC Sample#: 009,34W 009444 <br /> 90 <br /> Sample Conc.: N.D. N.D. N.D. N.D. N.D. <br /> Spike Cone. 10 30 100 <br /> Added: 10 10 <br /> Conc.Matrix 72 24 97 <br /> Spike: 8.0 7.8 <br /> Matrix Spike 72 S0 97 <br /> %Recovery: 80 78 <br /> Cana.Matrix 8.6 28 95 <br /> Spike Dup.: 9.2 9.1 <br /> Matrbt Spike <br /> Duplicate 93 95 <br /> 66 <br /> %Recovery: 92 91 <br /> Relative 16 14 2.1 <br /> %Difference: 13 14 <br /> $E d Q ANAL"CAL %p4OD erY Conc.of M.S.-Conc.of SaMPle x 100 <br /> Spike Cone.Added <br /> satire X C frxance: Conc.of M.S.-Conc.o1 M.S.D. x100 <br /> 123bettl W.Hdeki rCone of M.S.r Cone.of M.5.0.1/2 <br /> 3> <br /> 925Q.WAT < <br /> Project Manager <br /> V <br />