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(i) <br /> Sequoia X80 Chesapeake Drive Redwood City,CA 9406{, 1'_ '(415) 364-9600 FAX(415) 364.9233 <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> X117 Analytical 819 Striker Avenue,Suite 8 Sacramento,CA-95834 (916) 921-9600 FAX(916)921-0100 <br /> j Agra rent <br /> C11ent I'r61e6t11��- ��Snell <br /> ff <br /> . <br /> 017 26th St. Matrix: Soil /Water <br /> Sacramento, CA 95816 <br /> Attention: <br /> ::,....................... Vic Cherv.:e:.n .. QC Sample Group 6010994-96 <br /> Reported: Jan 2 <br /> ..... 3, 9996 :: <br /> .:: .:......... <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Lindane Heptachlor Aldrin Dieldrin Endrin DDT DDT <br /> Method: EPA 8080 EPA 8080 EPA 8080 EPA 8080 EPA 8080 . EPA 8080 EPA 8015 M <br /> Analyst: C.Chapman C.Chapman C.Chapman C.Chapman C.Chapman C.Chapman C.Lee <br /> Concentration <br /> Spiked: 0.10 Ng/L 0.10 ug/L 0.10 pg/L 0.20 erg/L 0.20 erg/L 0.20 Ng/L 7.5 mg/kg <br /> LCS Batch#: LCS01-1196 LCS011196 LCS011196 LCS011196 LCS011196 LCS011196 LCS010996A <br /> MS-A MS-A MS-A MS-A MS-A MS-A <br /> Date Prepared: 01/11/96 01/11/96 01/11/96 01/11/96 01/11/96 01/11/96 01/09/96 <br /> Date Analyzed: 01/12/96 01/12/96 01/12/96 01/12/95 01/12/96 01/12/96 01/09/96 <br /> Instrument I.D.#: GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP4A GCHP-4A GCHP-3B <br /> LCS % <br /> Recovery: 107 78 83 96 130 128 91 <br /> Control Limits: 5D-150 50-150 50-150 50-150 50-150 50-150 60-130 <br /> MS/MSD <br /> Batch #: 13S011196-A BS011196-A SS011196-A BS011196-A BSO 11196-A BSO 11196-A 5121464 <br /> Date Prepared: 01/11/96 01/11/96 01/11/96 01/11/96 01/11/96 01/11/96 01/04/96 <br /> Date Analyzed: 01/12/96 01/12/96 01/12/96 01/12/96 01/12/96 01/12/96 01/04/96 <br /> Instrument E.D.#: GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP-3B <br /> Matrix Spike <br /> %Recovery: 107 78 83 96 130 128 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 105 80 85 94 126 111 <br /> Relative% <br /> Difference: 1.9 2.5 2.4 2.1 3.1 14 <br />` Please Note: <br /> The LCS is a control sample 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 hatch results. Due to matrix effects,the QC limits for MS/MSD's are advisory only <br /> and are not used to accept or reject batch results. *Matrix Interference <br /> S <br /> *4�odanet Ian <br /> Project Manager/Sacramento Laboratory <br /> E 6010194.UPS <6> <br /> . .s3?. <br />