Laserfiche WebLink
92� Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (415) 364-9600 FAX(415) 364-9233 ' <br /> t900 Bates Avenue,Suite L Concord,CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> 8i9 Sinker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX{916)921 0100 <br /> Analytical <br /> ~ ? r Y ?Y. ?l.Y� a Y r •'F��+h '�Orrx n,v rvr r�r r ` 'v <br /> RESNA Client Project ID OW0148 02, Stockton Police <br /> 1710 Main Street Matrix Liquid Y <br /> 'Escalon, CA 95320 ` <br /> Attention John Lane OC Sample Group 4CB8601 Reported Mar 23, 1994 <br /> .ce r cr„e•. ,c y r,rc c G�a .,-.,j...yr n w ,w ,.a; ek.]: wN.,z,mrY.xryr�+oa2cy;o"yr$.,;r;d+�' `• <br /> , ` ♦ t n V��4i v r r ♦ ♦ r`� nn rvw-1hr', rvY v i. r♦ . ry}n n ar 7�>, ,L v rs$rr'v 0.4 rk�'Y',Yn �r �� <br /> QUALITY CONTROL DATA REPORT ' <br /> ANALYTE Benzene Toluene Ethyl Xylenes ' <br /> Benzene <br /> Met-hod: EPA 8= EPA 8020 EPA 8070 EPA 8020 <br /> Analyst: J Minkel J Minkel J Minkel J Minkel <br /> MS/MSD <br /> Batch#' 4CA5302 4CA5302 4CA5302 4CA5302 ' <br /> Date Prepared <br /> Date Analyzed. 3/21/94 3/21/94 3/21/94 3/21/94 <br /> Instrument I.D#. GCHP-2 GCHP-2 GCHP-2 GCHP-2 ' <br /> Cone.Spiked: 10yg/L 10yg/L 10ug/L 30ug/L <br /> Matrix Spike <br /> 96 Recovery: 110 110 110 110 <br /> Matrix Spike <br /> Duplicate% , <br /> Recovery 100 100 100 103 <br /> Relative% <br /> Difference: 9 5 95 95 66 x� <br /> ry..Y.y <br /> R <br /> n \,tS.,�,'. <br /> LCS Batch#: - <br /> Date Prepared: <br /> Date Analyzed: - - - - <br /> Instrument I.D.#. - - - - <br /> LCS% ' <br /> Recovery. - - - - <br /> % ecovery ' <br /> Control Limits: 71-133 72-128 72-130 71-120 <br /> Please Note <br /> The LCS 1s 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 /> fort>fied with known quantities of specific compounds and subjected to the entire analytical procedure If , <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> lX interference,the LCS recovery 1s to be used to validate the batch <br /> Vickie Tague Clark <br /> Protect Manager 4CB8601 WAT <2> ' <br />