ARCHIVED REPORTS_XR0010283 - Laserfiche WebLink

Home Browse Search

i i • l Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 X1,7 Analytical 819 Sinker Avenue Swte 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 Smith -Canonie Environmental Client Project ID 94-367-10, Stockton Fire#2 1710 Main Street Matrix Liquid Escalon, CA 95320 Attention John Lane Work Order # 95051_33-01 Reported Jun 23, 1995 (QUALITY CONTROL DATA REPORT Analyte Benzene Toluene Ethyl Xylenes Benzene QC Batch# GCO60695BTEX17A GCO60695BTEX17A GCO60695STEX17A GCO60695BTEX17A Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 Prep Method. EPA 5030 EPA 5030 EPA 5030 EPA 5030 Analyst. J Minkel J Minkel J Minkel J Minkel MS/MSD # 950603102 950603102 950603102 950603102 Sample Conc . ND ND ND NO Prepared Date 6/6/95 6/6/95 6/6/95 6/6/95 Analyzed Date. 6/6/95 6/6/95 6/6/95 6/6/95 Instrument I D # GCHP17 GCHP17 GCHP17 GCHP17 Conc Spiked 10ug/L 10ug/L 10Ng/L 30,ug/L Result 89 85 84 25 MS % Recovery- 89 85 84 83 10 Dup Result 78 79 79 24 MSD % Recov 78 79 79 80 RPD 13 73 61 41 RPD Limit 0-50 050 0-50 0-50 LCS # - - Prepared Date Analyzed Date - Instrument I D.#• Conc Spiked - LCS Result - - LCS % Recov - MS/MSD LCS 71133 72-128 72-130 71-120 Control Limits Please Note The LCS is a control sample of known,interferent-free matrix that ss analyzed using the same reagents, SEQUOIA ANALYTICAL preparation and analytical methods employed for the samples The matrix spike is an aliquot of sample 1 fortified with known quantities of specific compounds and subjected to the entire analytical procedure If Y the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix U interference,the LCS recovery 1s to be used to validate the batch Vickie Tague Clark Project Manager "MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 95051-33 CAN T2s