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j SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 • FAX (415) 364-9233 <br /> RESNAn r vx. xv v wrY r �A wx hM°`r Yr °ir <br /> Client Prolect ID 054006 06, Coca Cola, Stockton Y r <br /> 1710 Main Street Matrix Liquid <br /> Escalon, CA 95320 <br /> ;Attention Jeanne Hornsey OC Sample Group 3HDO101-2 <br /> 4 ? Reported Aug 31, 1993 <br /> rht v �tr <br /> ' QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 6020 <br /> Analyst: A Miraftab A.Miraftab A Miraftab A Miraftab <br /> Conc. Spiked, 10 10 10 30 <br /> ' Units: pg/L Ng/L F+g/L ug/L <br /> LCS Batch#: GBLK082793 GBLK082793 GBLK082793 GBLK082793 <br /> ' Date Prepared- - - - <br /> Date Analyzed: 8/27/93 8/27/93 8/27/93 8/27/93 <br /> Instrument I.D.#: GCHP-2 GCHP-2 GCHP 2 GCHP-2 <br /> LCS % <br /> Recovery" 100 110 100 103 <br /> ' Control Limits: 80-120 80-120 80-120 80-120 <br /> il yr ry <br /> 1 r }t `4 vrr `} v {v ^v rsv v{S `tv'n i r (r il ^f v?{4]�rrr v 'n r r'r4 shv ry v}frH hnro i <br /> ' '-xr w{v r wrnJ.w$ v.r rvrrr 4{v}v +a.,gµ}5vvr 3:4}rr?w+KYi�{q„ri2`s v v 4S v. +Svrwn ht4i ryi ' n:�i.,~{r h.S xCv.r`vJvi ryr �i[ry r.' xrvh xSr v�i}ii� r r`{.i`rryry.+•' .,}ry{h♦ <br /> MS/MSD <br /> Batch#: 3HBO301 3HBO301 3HBO301 3HBO301 <br /> 1 Date Prepared: - - - <br /> Date Analyzed: 8/27/93 6/27/93 8/27/93 8/27/93 <br /> Instrument I.D.#: GCHP-2 GCHP-2 GCHP-2 GCHP2 <br /> ' Matrix Spike <br /> % Recovery: 93 93 94 90 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 93 93 94 93 <br /> ' Relative% <br /> Difference: 00 00 00 33 <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> � preparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> validation of sample batch results Due to matrix effects,the QC limits for MS/MSUs are advisory only <br /> rvlw;P,7� <br /> ckle Tague <br /> and are not used to accept or reject batch results <br /> Project Manager 3HD0101 WAT c2> <br />