Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood CityCA 94063 (6501364-9600 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 /> Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos CA 94070 4111 (650)232-9600 FAX(650)232-%12 <br /> Gettler-Ryan, Inc Client Project ID 7o5co #6981, Stockton <br /> 3164 Gold Camp Dr Matrix Vapor <br /> Rancho Cordova, CA 95670 <br /> Attention Steve Carter OC Sample Group 9052151-152 Reported Jun 8, 1999 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst C Westwater C Westwater C Westwater C Westwater <br /> MS/MSD <br /> Batch# 100 NG BTEX 100 NG BTEX 100 NG BTEX 100 NG BTEX <br /> Date Prepared 5/21/99 5/21/99 5/21/99 5/21/99 <br /> Date Analyzed 5/21/99 5/21/99 5/21/99 5/21/99 <br /> Instrument I D # HP-2 HP-2 HP-2 HP-2 <br /> Conc Spiked 2 0 erg/L 2 0 Ng/L 2 0pg/L 6 0pg/L <br /> Matrix Spike <br /> %Recovery 95 80 85 95 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery 95 90 85 100 <br /> Relative% <br /> Difference 0 0 12 00 5 1 <br /> LCS Batch# 2LCS052699 2LCS052699 2LCS052699 2LCS052699 <br /> Date Prepared 5/26/99 5/26/99 5/26/99 5/26/99 <br /> Date Analyzed 5/26/99 5/26/99 5/26/99 5/26/99 <br /> Instrument I D # HP-2 HP-2 HP-2 HP-2 <br /> LCS % <br /> Recovery 80 80 90 95 <br /> 1/10-Recovery <br /> Control Limits 70-130 70-130 70-130 70.130 <br /> Please Note <br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents, <br /> *EQUOIA ANALYTICA , #1271 preparation,and analytical methods employed for the samples The matrix spike is an aliquot o!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 /> J Ilanne Fegley <br /> rolect Manager <br /> 9052151 GGG <2> <br />