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Sequoia 680 Cil►eupeake Drive Redwood 0t,CA 94o63 (415) 364-9600 FAX(415)364.9213 <br /> Analytical 404 N.Whet Lane <br /> W-' 'Creep,CA 94598 (510) 988.9600 FAX(SIO)988.9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95AU (916) 921.9600 FAX(916)921.0100 <br /> }`:',: i..kv._\{;•�J / fr Fr Fi �f.���x:::V :•iS.:•.4..5,::.,. .v.:{:i.S:i h-nS•'%��� W:::i}is:v'n"�..��`�,'��:i\\\��� ���. .Ac:�/ �+5; ..i`:�::�'?7: �',"✓J� \:�:R:^l:`/.� /::. <br /> Alton Gt3osc�nee Client protect I .:vMok #aa-343' racy r• >ry ter," "` , ���" ����; , r����f <br /> 30-A Lindbergh Ave. Matrix: Liquid <br /> Livermore, CA 94550 <br /> Attention: Ailsa LeMay OC Sample Group 5081 083-1 00 Reported: <br /> Au <br /> 28 1995.. <br /> .............. _ ...,,.>::�:i}�/�.::<.:::.::.::_::..:;,::��\.,�:�:::.:.:::..-:.:.�::.:�>::/.:�:�.��::::?;>.,v<,;:rs:;::}::..:::..... ...:met::z:;,;:•:::;},.}};nu.:::.:hr,,,...:::.,,•, <br /> QUALITY CONTROL DATA REPORT <br /> ' Analyte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#: GCO82295 G0082295 GCO82295 GC082295 <br /> ' 802005A 802WSA 802005A 802005A <br /> Analy. Method: EPA 8020 EPA 8020 BPA 8020 EPA 8020 <br /> Prep. Method: _ - <br /> ' Analyst: K.Nill K.Nil] K.Nil] K Nill <br /> MS/MSD#: 5081096 5081096 5081096 5081096 <br /> Sample Cone.: N.D. N.D. N.D. N.D. <br /> Prepared Date: 8/22/95 8/22/95 8/22/95 8/22/95 <br /> Analyzed Date: 8/22/95 8/22/95 8/22/95 8/22/95 <br /> Instrument I.D.#: HP-5 HP-5 HP-5 HP-5 <br /> Cone.Spiked: 20pg/L 20pg/L 20pg/L 60ug/L <br /> ' Result: 22 22 22 fib <br /> MS %Recovery: 110 110 110 110 <br /> Dup. Result: 21 21 21 65 <br /> MSD%Recov.: 105 105 105 108 <br /> RPD: 4.9 4.9 4.9 1.5 <br /> RPD Limit: 0-20 0-20 0-20 0.20 <br /> i-::::::::::.;:-::.:�ii:iiv:.:v::::.v:;v........:-.v.... ;p.:xr-:.".-:E:J:ii•}::.:.:.v:r;x:::v.::v.v.v.:s:::v.: <br /> .... .. ......:. .:: .... •'f.-:':...::lv:::�.:.vv::nfvv::-:v::•:iv:.v..:{i.::v'r::�:::.::v:::+itii:::':'.'.�iv.:`:::;y::•:::':.'.'t:ii'?:ik ::'s:i�-:t�i:�ii: <br /> LCS#: 3LCS082295 3LCS08ZM5 3LCS082295 3LCS082295 <br /> ' Prepared Date: 8/22/95 8/22/95 8/22/95 8/22/95 <br /> Analyzed Date: 8/22/95 8/22/95 8/22/95 8/22/95 <br /> Instrument I.D.#: HP-5 HP-5 HP-5 HP-5 <br /> ' Cone. Spiked: 20pg/L 20ug/L 20pg/L 60pg/L <br /> LCS Result: 16 16 16 49 <br /> LCS %Recov.: 80 8o 81 82 <br /> LCS 71-133 72-128 72-130 71-120 <br /> Control Limits <br /> I <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, #1271 preparation,and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> fortified Wth known quantities of specific compounds and subjected to the entire analytical procedure. 8 <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 /> K an Sla brook ""MS=Matrix Spike, MSD=MS Duplicate,RPD-Relative%Difference <br /> Project Manager <br /> 5081083-ALT <14> <br />