Laserfiche WebLink
(D Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 96)0 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9,673 <br /> WIF Analytical 819 Stnker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921-0100 <br /> eyoUchstone Developments Client Project ID Chevron #9-8264 <br /> P O Box 2554 Matrix Liquid <br /> Santa Rasa, CA 95465 <br /> Attention Jeff Monroe QC Sample Group 5111237-239 Reported Nov 16, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes Diesel <br /> Benzene <br /> QC Batch# GC111595 GC111595 GC111595 GC111595 SP111595 <br /> 802002A 802002A 802002A 802002A 8015EXA <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015 <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 EPA 3510 <br /> Analyst K Nill K Nill K Nill K Nill S Le <br /> MS/MSD # 5111239 5111239 5111239 5111239 BLK111595 <br /> Sample Conc N D ND N D N D NO <br /> Prepared Date 11/15/95 11/15/95 11/15/95 11/15/95 11/15/95 <br /> Analyzed Date 11/15/95 11/15/95 11/15/95 11/15/95 11/15/95 <br /> Instrument I D # HP-2 HP-2 HP-2 HP-2 HP-3A <br /> Conc Spiked 20ug/L 20ug/L 20ug/L 60pg/L 300 ug/L <br /> Result 22 22 23 67 272 <br /> MS % Recovery 110 110 115 112 91 <br /> Dup Result, 22 21 22 66 248 <br /> MSD % Recov 110 105 110 110 93 <br /> RPD 00 47 44 15 92 <br /> RPD Limit 0-20 0-20 0-20 0-20 0-20 <br /> LCS #- 1LCS111595 1LCS111595 1LCS111595 lLCS111595 2LCS111595 <br /> Prepared Date 11/15/95 11/15/95 11/15/95 11/15/95 11/15/95 <br /> Analyzed Date 11/15/95 11/15/95 11/15/95 11/15/95 11/15/95 <br /> Instrument I D # HP-2 HP-2 HP-2 HP-2 HP-3A <br /> Conc Spiked 20 ug/L 20 ug/L 20 ug/L 60 ug/L 300 ug/L <br /> LCS Result. 21 21 22 65 276 <br /> LCS % Recov .. 104 103 109 108 92 <br /> LCS 71-133 72-128 72-130 71-120 38-122 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> UOIA ANALYTICAL, #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 recove is to be used to validate the batch <br /> teketh L Wlmer **MS=Matrix pike, MSD=M Duplicate RPD=Relative%Difference <br /> Prt Manager <br /> 5111237 TTT <3> <br />