Laserfiche WebLink
Se ®ia 680 Chesapeake Drive Redwood Ccty 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 /> 1 819 Stnker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)923-0100 <br /> Anal�T����� 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707) 792-1865 FAX(707) 792-0342 <br /> Y 1551 Industrial Road San Carlos CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> equoia Analytical Client Project ID L905529- Blaine Tech Services, Inc <br /> 1551 Industrial Blvd Matrix Liquid <br /> San Carlos, CA 94070 <br /> Attention Mike Gregory QC Sample Group 9052409-412 Reported Jun 16, 1999 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GCO60499 GCO60499 GCO60499 GC060499 <br /> 802005A 802005A 802005A 802005A <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst J Minkel J Minkel J Minkel J Minkel <br /> M S/MSD # 9060225 9060225 9060225 9060225 <br /> Sample Conc N D ND N D N D <br /> Prepared Date 6/4/99 6/4/99 6/4/99 6/4/99 <br /> Analyzed Date 6/4/99 6/4/99 6/4/99 8/4/99 <br /> Instrument I D # HP-5 HP-5 HP-5 HP-5 <br /> Conc Spiked 20jug/L 20yg/L 20jig/L 60Ng/L <br /> Result 18 18 18 56 <br /> MS % Recovery 90 90 90 93 <br /> Dup Result 19 19 18 57 <br />. MSD % Recov 95 95 90 95 <br /> RPD 54 54 00 18 <br /> RPD Limit 0-20 0-20 0-20 0-20 <br /> LCS # 5LCS060499 5LCS060499 5LCS060499 5LCS060499 <br /> Prepared Date 6/4/99 6/4/99 6/4/99 6/4/99 <br /> Analyzed Date 6/4/99 6/4/99 6/4/99 6/4/99 <br /> Instrument I D # HP-5 HP-5 HP-5 HP-5 <br /> Conc Spiked 20pg/L 20pg/L 20ug/L 60Ng/L <br /> LCS Result 19 19 19 58 <br /> LCS % Recov 95 95 95 97 <br /> LCS 70-130 70-130 70-130 70-130 <br /> Control Limits <br /> Please!Vote <br /> The LCS is a control sample of known interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA AN L, #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 /> Charlie Westwater MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative %Difference <br /> Project Manager <br /> 9052409 SSS <12> <br />