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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N,Wiget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834' (916)921-9600 FAX(916)921-0100 <br /> 1 <br /> Analytical 455 McDowell Blvd.North,Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos, CA 940 70-41 1 1 (650)232-9600 FAX(650)232-9612 <br /> .......... <br /> .................. ....... .. ................... <br /> ............... <br /> ..................... <br /> ''"iryCluk'"Blvd. <br /> Blaine Tech 8'e-r'vo <br /> Services, Inc. Client Pr ject lb: <br /> 2575 Count <br /> J <br /> 1680 Rogers Ave. Matrix: Liquid <br /> .�San Jose, CA 95112 <br /> Attention: Fran Thie Work Order#: 9901 E87-05, 06; 9901 E88-02, 03, 06; Reported: Feb 19, 1999.... <br /> .. .......... ........ <br /> .......... ............... <br /> .................. <br /> ................. ........ <br /> 9901 E89-01 02 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes BTEXasTPH <br /> Benzene <br /> QC Batch#. GCO20999802002A GCO20999802002A GCO20999802002A GCO20999802002A GCO20999802002A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015M <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst: C.Westwater C.Westwater C.Westwater C.Westwater C.Westwater <br /> MS/MSD #: 9020371 9020371 9020371 9020371 9020371 <br /> Sample Conc.: N.D. N.D, N.D. N.D. N.D. <br /> Prepared Date: 2/9/99 2/9/99 2/9/99 2/9/99 2/9/99 <br /> Analyzed Date: 2/9/99 2/9/99 2/9/99 2/9/99 2/9/99 <br /> Instrument 1.04: HP2 HP2 HP2 HP2 HP2 <br /> Conc. Spiked: 20 pg/L 20 Pg/L 20 ugIL 60 pg/L 310 lig/L <br /> Result: 18 18 19 62 290 <br /> MS % Recovery: 90 90 95 103 94 <br /> Dup. Result: 24 23 25 79 290 <br /> MSD % Recov.: 120 115 125 132 94 <br /> RPD-. 28.6 24.4 27.3 24.1 010 <br /> RPD Limit: 0-20 0-20 0-20 0-20 0-50 <br /> ...................... <br /> ........... ................ <br /> . ................ <br /> ............ <br /> ............................... <br /> LCS #: LCS020999 LCS020999 LCS020999 LCS020999 LCS020999 <br /> Prepared Date: 2/9/99 2/9/99 2/9/99 2/9/99 2/9/99 <br /> Analyzed Date: 2/9/99 2/9/99 2/9/99 2/9/99 2/9/99 <br /> Instrument I.D.#: HP2 HP2 HP2 HP2 HP2 <br /> Conc. Spiked: 20 pg/L 20pg/L 20 pg/L 60 pg/L 310 pg/L <br /> LCS Result: 19 is 20 63 300 <br /> LCS % Recov.: 95 90 100 105 97 <br /> MS/MSD 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70-130 50-150 <br /> Control Limits <br /> Please Note: <br /> SEQUOIA ANALYTICAL The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> Elap#1271 preparation,and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure, If <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> ,interference,the LCS recovery is to be used to validate the batch, <br /> InI <br /> roject Manager MS=Matrix Spike, IVISD=IVIS Duplicate,RPD=Relative%Difference 9901E86.BLA <5> <br />