Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> �'��■� 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> Enviros Client Project ID She11 1267 Country Club, Stick <br /> 270 Perkins Ave Matrix Liquid <br /> Sonoma, CA 95476 <br /> Attention Joe Neely Work Order# 9704512 10 Reported Apr 22, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte 1,2,4-Tnchloro- 4-Chloro-3- Acenaphthene 4-Nitrophenol <br /> benzene Methylphenol <br /> QC Batch#. Ms0410978270EXA Ms0410978270EXA Ms0410978270EXA Ms0410978270EXA <br /> Analy Method EPA 8270 EPA 8270 EPA 8270 EPA 8270 <br /> Prep Method" EPA 3510 EPA 3510 EPA 3510 EPA 3510 <br /> Analyst E Manuel E Manuel E Manuel E Manuel <br /> MS/MSD#. BLKG41097 BLK041097 BLK041097 BLK041097 <br /> Sample Conc N D N D N D N D <br /> Prepared Date 4/10/97 4/10/97 4/10/97 4/10/97 <br /> Analyzed Date. 4/15/97 4/15/97 4/15/97 4/15/97 <br /> Instrument l D #• F4 F4 F4 F4 <br /> Conc Spiked 200pg/L 200pg/L 200pg/L 200ug/L <br /> Result: 140 140 120 74 <br /> MS % Recovery 70 70 60 37 <br /> Dup Result 130 140 120 56 <br /> MSD %Recov• 65 70 60 28 <br /> RPD 74 00 00 28 <br /> RPD Limit 0-30 0-30 0-30 0-30 <br /> LCS #. WB041697138 WB041697BS WB0416976S W6041697BS <br /> Prepared Date 4/16/97 4/16/97 4/16/97 4/16/97 <br /> Analyzed Date 4/17/97 4/17/97 4/17/97 4/17/97 <br /> Instrument I.D.#. F4 F4 F4 F4 <br /> Conc. Spiked 200jig/L 200 ug/L 200 pg/L 200pg/L <br /> LCS Result 140 150 120 53 <br /> LCS % Recov: 70 75 60 27 <br /> LCS <br /> Control Limits 39-98 23-97 46-118 10-80 <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL 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 /> Ieregory MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> Project Manager Page 2 of 3 9704512 EEE <13> <br /> 1� <br />