Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 a Sacramento, CA 95834 <br /> (916) 921-9600 FAX (916) 921-0100 <br /> 0ESNA Industries Client Project ID 3800910/Fire Station #2, Stockton <br /> 164 Gold Camp Dr, Suite 200 Matrix Water <br /> Rancho Cordova, CA 95670 <br /> Attention Jay Johnson GC Sample Group 4031221-1225 Reported Apr 6, 1994 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes Diesel <br /> EPA <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 8015 Mod <br /> Analyst' ❑ Ballard D Ward D Ballard D Ballard Chiaravalloti <br /> Concentration <br /> Spiked 10 ug/L 10 ug/L 10 ug/L 30 ug/L 300 ug/L <br /> LCS Batch# LCSO40594 LCSO40594 LCSO40594 LCSO40594 BLK040194 <br /> Date Prepared, 4/5/94 4/5/94 4/5/94 4/5/94 4/1/94 ! <br /> Date Analyzed. 4/5/94 4/5/94 4/5/94 4/5/94 4/4/94 <br /> Instrument I.D.# HP-2 HP-2 HP-2 HP-2 HP3B <br /> LCS % <br /> Recovery 101 98 101 98 83 <br /> Control Limits- 8x120 80-120 80-120 80-120 70-130 <br /> MS/MSD <br /> Batch# 4031202 4031202 4031202 4031202 BLK033194 <br /> Date Prepared- 4/5/94 4/5/94 4/5/94 4/5/94 3/31/94 <br /> Date Analyzed. 4/5/94 4/5/94 4/5/94 4/5/94 4/1/94 <br /> Instrument I.D.#' HP-2 HP-2 HP-2 HP-2 HP3B <br /> Matrix Spike <br /> % Recovery- 99 96 99 100 80 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery: 100 99 100 100 77 <br /> Relative% <br /> Difference- 10 31 10 00 38 <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS is a control sample of known interferent tree matrix that is analyzed using the same reagents <br /> preparation and analytical methods employed for the samples The LCS'S recovery data is used for <br /> validation of sample batch results Due to matrix effects,the CC limits for MS/MSD's are advisory onlY <br /> Linda C Schneider and are not used to accept or reject batch results <br /> Project Manager <br /> 4031221 RES <3> <br />