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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364 9233 <br /> 404 N W;get Lane Walnut Creek CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> 0 Analytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (9T6) 921 9600 FAX(916)92t OiW <br /> A s. .. , A ,Y .. ,,. .n. .,. , ,.r .. .{, vhf ks eo-� ��":.•� ti ryc ro• <br /> sr}ntaIIenr..t. Project <br /> rro...tl,ewc.t '©n~ 944132. <br /> 3�2s,Smith-Canonle tnvironme <br /> PG &E Tracy <br /> 1710 Main Street Matrix Liquid "} <br /> h E~scalon, CA 95320 �t <br /> Attention Jeanne Homsey Work Order# _ 9505H75 -01-3 Reported- Jun 8, 19951 <br /> .;` c'-c ,. . h ;fi, "x Ar ^r 4,'yx•.,.ra:.yk"aaw.'+.'l o^?e e '.,r,�ye2s�g' K""q.V�{53"w' 6t2`7`c <br /> ,,• ..;a .. <.,c:.s. . .. Yet,. <br /> QUALITY CONTROL DATA REPORT <br /> Analyte. Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> OC Batch#: GCO60195BTEX22A GCO60195BTEX22A GCO60195BTEX22A GC060195BTEX22A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: R.Geckler R Geckler R.Geckler R Geckler <br /> MS/MSD#: 9505G2906 9505132906 9505G2906 9505G2906 <br /> Sample Conc.: N D N D N 0 N D <br /> Prepared Date., 6/1/95 6/1/95 6/1/95 6/1/95 <br /> Analyzed Date: 6/1/95 6/1/95 6/1/95 6/1/95 <br /> Instrument I.D,#: GCHP22 GCHP22 GCHP22 GCHP22 <br /> Conc.Spiked: 10pg/l. 10 ftg/L 10,ug/L 30 pg/L <br /> Result: 11 11 11 32 <br /> MS%Recovery- 110 110 110 107 <br /> Dup Result: 97 9 5 96 29 <br /> MSD%Recov.: 97 95 96 97 <br /> RPD: 13 15 14 98 <br /> RPD Limit: 0-50 0-50 0-50 0.50 <br /> ,,,,55 s .c � ;•~,t c.v r,.srtiy.., � � wv'�•�a" �#k'L�r}i.'7a^'N3.kr Eia,�c.S�i'a'�k� r�F��' w'�-a� '�,aff <br /> LCS#: - - - - <br /> Prepared Date: - - - - <br /> Analyzed Date: - - - - <br /> Instmment I D.#: - - - - <br /> Conc.Spiked: - - - - <br /> LCS Result: - - - - <br /> LCS %Recov.: - - - - <br /> LCS 71-133 72-128 72-130 71-120 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike Is an aliquot of sample <br /> 01�T fortified with known quantthes of specific compounds and subjected to the entire analytical procedure 0 <br /> the recovery of analytes from the matrix spike does not fall within spectfied control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> Vickie Tague Clark <br /> Protect Manager '"MS=Matrix Spike,MSD=NIS Duplicate,RPD=Relative%Difference 9505H75 CAN <1> <br />