Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 e Sacramento, CA 95834 <br /> (916) 921-9600 FAX (916) 921-0100 <br /> v�vw..vwws ✓ ""'nv'Onx �nvnv sin.jm�vvt � Jv� A T H n .ecrh9 01Tert,r TracyREnSNn12300 .ry n L, v. . x F ,{ ✓ . - <br /> 3164 Gold Camp Dr,Suite 200 Matrix Water <br /> Rancho Cordova, CA 95670 <br /> Attention Claudio Avila QC Sample Group 3100570-573 Reported Oct 19, 1993 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl <br /> Benzene Toluene benzene Xylenes <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst: Chlaravallob Chiaravallotr Chiaravalloti Chiaravalloti <br /> Cc:;aentmtion <br /> Spiked: 10 ug/L 10 ug/L 10 ug/L 30 ug/L <br /> LCS Batch#: LCS101M LC8101893 LCS101893 LCS101893 <br /> Date Prepared' 10/18/93 10/18/93 10/18/93 10/18/93 <br /> Date Analyzed. 10/18/93 10/18/93 10/18/93 10/18/93 <br /> Instrument I D #: HP2 HP2 HP2 HP2 <br /> LCS% <br />. <br /> Recovery. 91 90 92 93 <br /> Control Limits. 80-120 80-120 80-120 80.120 <br /> MS/MSD <br /> Batch# 3100573 3100573 3100573 3100573 <br /> Date Prepared: 10/18/93 10/18/93 10/18/93 10/18/93 <br /> Date Analyzed' 10/18/93 10/18/93 10/18/93 10/18/93 <br /> Instrument I D.#- HP2 HP2 HP2 HP2 <br /> Matrix Spike <br /> % Recovery: 97 95 95 93 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery. 110 100 100 103 <br /> Relative% <br /> Difference: 13 51 51 10 <br /> Please Note <br /> 0 The LCS Is a control sampie of known,interferent free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL 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 OC limns for MS/MSD's are advisory only <br /> .! and are not used to accept or re ext batch results <br /> 7 <br /> Linda C Schneider <br /> Project Manager 3100570 RES <2> <br />