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1V1Alt i1 1y � ,iJRM NU I QU V W 4 <br /> ' 1 <br /> e0 tesspeekc DrhK Rtwoo <br /> +dd CA 94063 650 F <br /> Q Sequoia 404 H "go <br /> Walnut Cr ekk, 00 CA 94598 (925)98$•96FAX(9z5)988-9673 <br /> t <br /> Analytical 819StrlkerAvenue suttee Sacramento CA 95834' (916)921-9600 FAX(916)92t-0100 <br /> 1455 NkDpwD el1 MM North Ste Petaluma CA 94954 (707)792-1865 FAX(747)792-4342 <br /> 1551 industrial Road Son Corlos,CA 91070 4111 (650)232.9600 FAX(650)232-9612 <br /> Environmental Resolutions iNieflt Project ID ERI 227903 Unocal 5096 r' s <br /> ..74 Digital Drive, Ste 6 Matrix Solid <br /> 1 Novato, CA 94949 <br /> Mention Mark Dockum Work Order# 99-1 E44 04-06 •�pgRe orted yMar f29,i yygg <br /> OffPF�.L�riil t 3rx ' � •"r'Y<F:'262 , .Eva>e' -F4^'+'^ s'Fi il�}.73.1SS< /r xikf''rA`M A'K� ffCr<}Y 1 <br /> 1 QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes ETES(as T'PH <br />' Benzene <br /> QC F3atch#: SP0208998o2oE(A SP0208998020EXA SP0200OW20EXA SP02089=20EXA SP0208998026D(A <br /> Analy. Method. EPA 8020 EPA 8020 EPA 8420 EPA 8020 EPA 8015M <br /> Prep.Method: EPA 5038 EPA 5030 FPA 5030 EPA 5030 EPA 5030 <br /> t Analyst: C Westwater C WestwAter C Westwater C Westwater C WestWater <br /> MS/MSD#: 9011940 9011940 9011940 9011940 9011940 <br />' Sample Conc.: N o N 0 N o N D N D <br /> Prepared Date- 2/8/99 2/8/99 2/8/99 2/8/99 2/a/&q <br /> Analyzed Date- 2/8/aa2/8/ss 2/6/99 2/8/99 2/8/99 <br /> Instrument 1,D.#: HP4 HN HP4 HP4 HP4 <br /> Cork. Spiked 0 80 mg/Kg 0 80 mg/Kg 0 80 m9/KS 2 4 rng/Kg 13 6 melKg <br /> Result: 1 1 099 1 1 3 5 14 <br /> MS%Recovery- 138 124 138 146 103 <br /> Dup Result: 10 0 96 10 34 14 <br /> MSD % Hecov.: 125 120 125 142 103 <br /> RPD' 95 31 95 29 00 <br /> RPO Limit 0-20 0-20 D-20 0-20 0-50 <br /> ffi��k7...i ...6`�C� ��' q•a��`-ie�. � '�` -"�e�ir�'�r��f ���'� 4 ��s�'�`�y��� y�„��`5�,-�� <br /> LCS#: LCS020899 LC8020899 LCS020899 LC8020M LCS020099 <br /> Prepared Date: 2/8/99 2/8/ag 2/8/89 2/8/99 2/8/99 <br /> Analyzed date: 2/8/x9 2/8/99 2/8/99 2/8/ss 2/ems <br /> Instrument I D.#: HP4 HP4 iiPq HN HP4 <br />' Conc.Spiked. 0 80 rn9/K9 0 80 mg/K9 6 80 m9/Kg 2 4 mg/K$ 13 6 mg/Kg <br /> LCS Result- 064 073 076 26 12 <br /> LCS%Recov. 105 91 95 108 88 <br /> LCS 50-150 50.150 50-150 50-150 50.150 <br /> Control Limits <br /> Please Note <br /> SEQUOIA A7t mm --- <br /> The LCS rs a control sample of known,Interferent-fres rrlatrix that Is analyzed uaing the same reagents,- - <br /> 1, NAL L prOPAM ten,rmd analytical methods employed for the samples The atrix spike is an aliquot of sample <br /> fortified with known guant'1les at specxf10 compounds and sub)ectad to the entire analytical Iproosdure N <br /> the recovery of analytes from the matrix spike does not tall within specSied control limits due to matrix <br /> Interference,the LCS recovery Is to be used to validate the batch <br /> David A. he e <br /> Project arlager *+'MSMatnx Spike,MSD.MS Dupitcate,RPD rRelame%D,fferenoe 9901E44 EEE <2? <br />