Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX(650)364-9233 <br /> '"►�' 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 96W FAX(916)921 0100 <br /> Pacific Environmental Croup Client Project ID 920 122 1A/Chevron 9-9840 <br /> 11315 Sunrise Gold Circle, Ste M Matrix Soil <br /> Rancho Cordova, CA 95742 <br /> Attention Tim Anenson CC Sample Group 8030071-0073, 0077 Reported Mar 11, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE 1,4-Dichloro- N-Nitroso-Di- 1,2,4-Trichloro- 4-Chloro 3 <br /> Phenol 2-Chlorophenol benzene N-propylamine benzene Meth I hen l <br /> Method EPA 8270 EPA 8270 EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Analyst B Pitamah B Pitamah B Pitamah B Pitamah B Pitamah B Pitamah <br /> Concentration <br /> Spiked 3,300pg/kg 3,300,ug/kg 3,300 Ng/kg 3,300pg/kg 3,300 pg/kg 3,300 ug/kg <br /> LCS Batch# LCS030598 LCS030598 LCS030598 LCS030598 LCS030598 LCS030598 <br /> Date Prepared 03/05/98 03/05/98 03/05/98 03/05/98 03/05/98 03/05/98 <br /> Date Analyzed 03/06/98 03/06/98 03/06/98 03/08/98 03/06/98 03/06/98 <br /> Instrument I D # F4/H5 F4/1-15 F4/H5 F4/H5 F4/1-15 F4/H5 <br /> LCS y <br /> Recovery s7 70 70 59 Ss 78 <br /> Control Limits 26-90% 25-102% 28104% 41-126% 38107% 26-103% <br /> i <br /> MS/MSD BS/BSD BS/BSD BS/BSD BS/BSD BS/BSD SS/BSD <br /> Batch # 030598 030598 030598 030598 030598 030598 <br /> Date Prepared 03/05/98 03/05/98 03/05/98 03/05/98 03/05/98 03/05/98 <br /> Date Analyzed 03/06/98 03/06/98 03/06/98 03/06/98 03/06/98 03/06/98 <br /> Instrument I D # F4/1-15 F4/H5 F4/1-115 F4/H5 F4/1-15 F4/1-15 <br /> Matrix Spike <br /> % Recovery 57 70 70 59 89 78 <br /> Matrix Spike <br /> Duplicate <br /> Recovery 77 82 73 81 84 76 <br /> Relative <br /> Difference 29 15 38 <br /> 32 5 3 2 4 <br /> Please Note <br /> SECR IA ANALYTI AL The LCS is a control sample of known interferent free matrix that is analyzed using the same reagents <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 limds for MS/MSD s are advisory only <br /> and are not used to accept or reject batch results <br /> inda C Sc neider <br /> Project Manager/Sacramento Laboratory Page 1 of 2 <br /> $030071 PES <22> <br />