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Sequoia %ftw&80 Chesapeake Drive Redwood City,CA 94011-.W(415) 964.9600 FAX(415) 364-9233 <br /> P 404 N. Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> a- 4 ) Analytical 819 Strike,Avenue,Suite 8 Sacramento,CA 95834 OW 921-9600 FAX(916)921-0100 <br /> „rlpgradient <br /> Tient r oJ ec"'t”ID Snell <br /> 1017 26th St. Matrix: Soil Water <br /> Sacramento, CA 95816 <br /> Attention: Vic Cherven QC Sample Group: 6010194-96 Reported: Jan 23, 1996'1"' <br /> ... ....... <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Lindane Heptachlor Aldrin Dieldrin Endrin DDT Diesel <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: 2.5 pg/kg 2.5 pg/kg 2.5 pg/kg 5.0 pg/kg 5.0 pg/kg 5-0 pg/kg 300 mg/L <br /> LCS Balch#: LCS01 1296 LCS01 1296 LCS01 1296 LCS01 1296 LCS011296 LCS01 1296 LCSOI 1096A <br /> Date Prepared: 01/12/96 01/12/96 01/12/96 01/12/96 01/12/96 01/12/96 01/10/96 <br /> Date Analyzed: 01/12/96 01/12/96 01/12/96 01/12/96 01/12/96 01/12/96 01/10/96 <br /> Instrument I.D.#: GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP-313 <br /> LCS % <br /> Recovery: 118 150 103 97 128 149 IGO <br /> t%w Control Limits: 50-150 50-150 50-150 50-150 50-150 50-150 60-130 <br /> .......... ...... <br /> .......... <br /> MS/MSD <br /> Batch#,. 6010194 6010194 6010194 6010194 6010194 6010194 BS0111096A <br /> Date Prepared: 01/12/96 01/12/9e 01/12/96 01/12/96 01/12/96 01/12/96 01/10/96 <br /> Date Analyzed: 01/12/96 01/12/96 01/12/96 01/12/96 01/12/96 01/12/96 01/10/96 <br /> Instrument I.D.#: GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP-4A GCHP-313 <br /> Matrix Spike <br /> % Recovery: 114 105 59 66 92 94 100 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery: 148 129 65 70 95 108 108 <br /> Relative% <br /> Difference: 26 20 9.7 5.9 3.2 14 7.7 <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 /> Z, validation of sample batch results. Due to matrix effects,the QC limits for MS/MSD's are advisory only <br /> k*7and are not used to accept or reject batch results. <br /> Janet an <br /> Project Manager/Sacramento Laboratory <br /> 6010194.UPS <7> <br />