Laserfiche WebLink
Sequoia 69G Cntsapeakc D-isc R(dwacrd Citi CA 94063 k,15) 36, 9c>00 F,X (4 15) 36, 91.3 <br /> f� 404 N 1l'o�et Lane ufalr:ut Crecy, CA 94598 (510) 988 9600 1--L. 1510) 9Y8 9673 <br /> lit- Analytical 819 Striker A%enue Saito 8 Sacramento CA 95834 1916) 921 9600 FA?. 1c)16) 921 0100 <br />*Pacific Environmental Group, Inc Client Project ID Unocal 2859, Stockton, CA <br /> 2025 Gateway Place, Suite 440 Matrix Air <br /> San Jose, CA 95110 <br /> Attention Rhonda DeJung QC Sample Group 6081166-67 Reported Sep 4, 1996 <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 B Williams B Williams B Williams B Williams <br /> Concentration <br /> Spiked 2 0 mg/m3 2 0 mg/mz 2 0 mg/m3 6 0 mg/m3 <br /> LCS Batch# LCSD83096 LCS083096 LCS083096 LCS083096 <br /> Date Prepared 08/30/96 08/30/96 08/30/96 08/30/96 <br /> Date Analyzed 08/30/96 08/30/96 08/30/96 OB/30/96 <br /> Instrument l D # GCHP-7 GCHP-7 GCHP-7 GCHP-7 <br /> LCS <br /> is Recovery 108 109 108 111 <br /> Control Limrts 70 130 70-130 70-130 70-130 <br /> MS/MSD <br /> Batch# BS083096 BS083096 BSD63096 BS083096 <br /> Date Prepared 08/30/96 06/30/96 08/30/95 08/30/96 <br /> Date Analyzed 08/30/96 08/30/96 08/30/96 06/30/96 <br /> Instrument I D # GCHP-7 GCHP-7 GCHP-7 GCHP-7 <br /> Matrix Spike <br /> % Recovery 108 109 108 111 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery 110 111 114 115 <br /> Relative % <br /> Difference 1 8 1 8 54 3 5 <br /> SEQUOIA ANALYTICAL Please Note <br /> 0, The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> 71n/da <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/MSDs are advisory only <br /> C Schneider and are not used to accept or refect batch results <br /> ct Manager/Sacramento Laboratory <br /> $081166 PEG ¢3> <br />