Laserfiche WebLink
Metadata
Document management portal powered by Laserfiche WebLink 9 © 1998-2015 Laserfiche. All rights reserved.
t <br /> SEQUOIA ANALYTICAL <br /> ® 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> Iwo (916) 921-9600 • FAX (916) 921-0100 <br /> 16Brown & Caldwell Client Project ID Arco 2133-94-5, Stockton <br /> P O Box 13449 Matrix Water <br /> Sacramento, CA 95813-3449 <br /> Attention Mindy Wright QC Sample Group 404-0380 Reported Apr 20, 1994 <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 D Ballard D Ballard D Ballard D Ballard <br /> Concentration <br /> Spiked 10 ug/L 10 ug/L 10 ug/L 30 ug/L <br /> LCS Batch# LCSO41994 LCSO41994 LCSO41994 LCSO41994 <br /> Date Prepared 4/19/94 4/19/94 4/19/94 4/19/94 <br /> Date Analyzed. 4/19/94 4/19/94 4/19/94 4/19/94 <br /> Instrument I D #: HP-2 HP-2 HP-2 HP-2 <br /> LCS <br /> Recovery ss 95 100 103 <br /> Control Limits. 80-120 80-120 80-120 80-120 <br /> MS/MSD <br /> Batch #: 4040431 4040431 4040431 4840431 <br /> Date Prepared. 4/19/94 4/19/94 4/19/94 4/19/94 <br /> Date Analyzed. 4/19/94 4/19/94 4/19/94 4/19/94 <br /> Instrument I D.#. HP-2 HP-2 HP-2 HP-2 <br /> Matrix Spike <br /> %Recovery- 100 100 110 113 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery. 110 100 110 113 <br /> Relative% <br /> Difference- 95 00 00 00 <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 /> �. C preparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> validation of sample hatch results Due to matrix effects,the OC limits for MS/MSDs are advisory only <br /> Craig C L e and are not used to accept or reject batch results <br /> Project Manager <br /> 4040380 BRS <3> <br />