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w <br /> • <br /> M9 _ <br /> 144 <br /> P <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive . Redwood City,CA 94063 <br /> (415)364-9600 • FAX(415)364-9233 <br /> Ww .- <br /> 1ateruork Gient Project ID:W0338,Reeves Eitxori <br /> 1710 Main SGcet <br /> Escajon,CAS 95-320 <br /> IAtieni,sn: LOis Frdrm QC Sample Group 112-3904.3908 3908,3910 <br /> . _,, .::.4 a ,.,.: � ,•�s v.r Reported:Jan S. 1332 <br /> tea :u�.:;A:..�:...:aN:.,,�..a.�O,.��..,:?»��:a,�,,,., ,,x:.� •��:ss?• .-,.�xss� <br /> OU LITY CONTROL DATA REPORT <br /> - <br /> AhiP,LYTE EVyl- <br /> w Benzene ToHrs.d benzene Xylenes <br /> Method: EPA 5020 EPA 802D EPA 8020 EPA:S020 <br /> w Analyst A Minitab A.Mlraftab A.Mirattab A.Mlraftab <br /> 1. Repotting Units: mg/kg mg/kg mg/kg mg/kg <br /> Date Analyzed: Dec 28, 1991 Dec 28, 1991 Dec 28, 1991 Dec 28, t991 <br /> QC Sample : Gf3LK122731 GBLK122791 GBLK722791 GBLK122791 <br /> MS/MSD MS/MSD MS/MSD MS/MSD <br /> Sample Cone.: N.D. N.D. <br /> N.D. N.D. <br /> i� <br /> { Spike Conc. <br /> Added: 0.20 0.20 0.20 0.60 <br /> Cone.Matrix . <br /> �.:. Spike: 0.18 0.21 0.21 0.65 <br /> Matrix Spike J <br /> %Recovery. 90 105 105 108 <br /> v <br /> Conc.Matrix <br /> Spike Dup.: 0.17 0.20 0.21 <br /> 0.64 <br /> ' Matrix Spike <br /> Duplicate <br /> y %Recovery: 85 100 105 107 <br /> Relative <br /> tf' %Difference: 5.7 <br /> 4.9 0.0 1_6 <br /> ryc Cana,of M.S.-Cont.of Sample x 100 F' <br /> ✓SE"QUUTAANALYTICAL %rec)ve a <br /> a. 1,, I Spike Conc.Added . . <br /> n v 1 Relative 5.D fference: Cone.of M.S.-Cont.of M.S.D. x 100 <br /> f`° (P, <br /> M ? � (Cont.of M.S.+Cont.ct M.S.D.) 2 <br /> o ect Manager <br /> 11239M.WA1' cgs <br /> t <br />