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NU 1 /3U F 17/24 <br /> Sequoia &Oow-p-ke Drlve Redwood City,CA 94063 (650)364-9600 FAX(650)364-97.33 <br /> 404 N VAM4 lane Walnut Creek CA 44599 (925)988-9600 FAX(925)988-9673 <br /> ' <br /> Analytical <br /> .,.a1 yti cal 819 Strtke.Avenue,Suite 8 Sacramento,CA 99834 (916►921-%00 FAX(916)921-eto0 <br /> 1'�f 1 1y 1455 MCDo„A-11 Blvd Norrh,Ste D Petalurr&x[A 949$4 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos,CA 94070 4111 (650)232-9600 FAX(650)232-9612 <br /> Enviranmerltai R soTuzlons' `k a;`WO g" { #. . ea . .Cir>. bryz . <br /> talent Project Ib ERI 227903, Unocaln5o98 <br /> r 74 Dlglial Drive, Ste 6 Matrbc Solid <br /> f'Novato, CA 94949 <br /> AAttentlon Mark Dockum Work aider# 9901 E44 01-03 <br /> Reported � Mar 29, 1999 # <br /> 6w':S%ti�Ni'iV"Ti"i.~4Y5l oa� >r �• <br /> 1 QUALITY CONTROL DATA REPORT <br /> Analyte, Benzene Toluene Ethyl Xylenes BTEX as TPH <br /> ' Benzene <br /> QC Batch#: spozo599ao20Ex8 Spo205s9ao20� SPozo599eo20Exe sP0205998MEXB SPa205998080EXB <br /> Analy. Method: IPA 8020 EPA gp� EPA 8020 EPA 8020 <br /> Prep Method EPA 9030 EPA p EPA 5030 FPA 8a1 sto <br /> EPA 6030 EPA 5a3D <br /> Analyst' C Weetwater C Westwater C W84twater C Weetwater <br /> MS/MSD# 9020192 9 192 9020192 C wes4Nater <br /> Sample Cor1C.: N 0 N p Qo2Ei192' 9020192 ND ND <br /> Prepared Date: z/5/ss ND 2/s/9s 2/5/99 2/5/99 <br /> Analyzed Date. 2/5/99 2/5/99 2/5/99 2/5/89 <br /> 2/5/99 <br /> Instrument I D#: 2/5/99 <br /> MP5 HIPS HP5 HP5 <br />' Cone.Spiked: 0 80 mg/Kg 0 60 mg/Ke o 80 ma/Kg 2 4 rn HP5 9/K9 11 2 mp/I(g <br /> Result- 062 0 64 <br /> 65 20 <br /> MS%Recovery- 76 8�6 a <br /> 83 79 <br /> Dup Result: 0 67 0 70 0 71 22 <br /> MSD%Recov.- 84 8 3 <br /> ee ss 92 74 <br />' RPU: 78 90 es 95 <br /> APD Limit: 0-2058 <br /> 0.20 0.20 ago 0-50 <br /> I$rMMO��' era c ttI kk ,f <br /> •a�ft:� �iknC � +�.o-� t �4}� S'S � ..} ��.�.� <br /> im`.;w- ' Agaa� eF��� 3�s�3r"`^t7r:' <br />' LCS#: 1-CS020599 Lc5020599 LCS02059 LC502ma <br /> LCS020599 <br /> 1Prepared Date 2/5/99 2/5/99 2/5/99 2/5/99 <br /> Analyzed Date: 2/5/99 2/15 //99 2/5/99 2 5/99 2/5/99 <br /> Instrument I.D.#: HP5 HP5 HP5 2/5/99 <br /> Cone. Spiked: 0 8v mg/kg0 W mg/Kg o 80 m9/Kg 2 4 m9/Kg i 1 2Hmg/K9 <br />' LCS Result; ase 070 0 7a <br /> LCS%Recov 95 22 91 <br /> 88 88 92 81 <br /> r—Ui J -- <br /> LCS 50-150 50.150 50-150 50-150 <br /> Control umlts 50.150 <br /> Please Now <br /> SEQU01A The RCS is a control sample of known,Intarferentdree nlat*that Is analyzed using the same reagents, <br /> C� Preparatlon,and analAC81 methpde,employed far the samples The matrix spike is an aliquot of sample <br /> #127'1 fortlfled with known quantrtles of s t:ttic Com — — <br /> Pe pounds and Subjected to the entire anelytloal procedure If <br /> the recovery of analy%a from the rllafrtx spike does not fall within specified Control llmhs due to matrix <br /> 41 WeInterference,the LC5 recovery rs to be used to validate the batch <br /> 1 <br /> Prof anagen p.IVIS=f1AStr[X Spike, hlE56c <br /> MS Duplicate,FIPD=140ative%Difference 9901 E44 EEE <1> <br />