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- Sequoia 680 Chmwke Drive Redwood City,CA 94063 (415) 364.9600 FAX(415)364.9233 <br /> �a.. 404 N,Wt et Lane WPI:-..,C.�cck,CA 94598 <br /> Analytical 8 {St6) 988.9500 FAX(510)981.9673 <br /> 814 StrlkerAvenue,Suite 8 5aeromento,CA 95834 {9t6} 921-4600 FAX(916)921.01W <br /> •.`< r' i%;'•:::%>y>scr#�U?iai:':�,rfrf.,�.L.�\\\\\\4`•;:.�ii�����•,•':.vur�?`.n\\\\\`.>�//// ��2•*`a•">�\\\\�'�.,/.:'!:�:�i7//////rte\\\\\\\\�\\'C",�"`"o,k�//%rik\\\\\\\��'>�\\\\\\\4 .Gr�3//////lY//,IYI „'�.s ,$�S/////.�////!// <br /> ! e <br /> Altonr�Geonce Client Pro'eob 04-M <br /> 30-A Lindbergh Ave. Matrix: Solid <br /> Livermore, CA 94550 <br /> 'Attention: Ailsa LeMay QC Sample Group: 5051785-88 Reported: Jun 6, 1995>` <br /> :.:: r:.;... ., ..... .. <br />' QUALITY CONTROL DATA REPORT <br /> i <br /> ANAME Benzene Toluene Ethyl Xylenes Diesel Diesel <br /> Benzene <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 6020 EPA 8015 M EPA 8015 M <br /> Analyst: J.Fontecha J.Fontecha J.Fontecha J.Fontecha J.Unsay J.ansay <br /> MS/MSD <br /> Batch#: 5051636 5051636 5051636 W51636 5051760 5051760 <br />' Date Prepared: 5/26/95 5/26/95 5/26/95 5/26/95 5/30/95 5/30/95 <br /> Date Analyzed: 5/26/95 5/26/95 5/26/95 5/26/95 5/30/95 5/31/95 <br /> Instrument I,D.#: HP-2 HP-2 HP-2 HP-2 HP-3A HP-3B <br /> Cone. Spiked: 0.40 mg/kg 0.40 mg/kg 0.40 mg/kg 1.2 mg/kg 10 mg/kg 10 mg/kg <br /> Matrix Spike <br /> % Recovery: 1255 125 130 130 70 80 <br /> Matrix Spike <br /> Duplicate% <br />' Recovery: 118 118 123 123 85 92 <br /> Relative% <br />' Difference: 5.8 5.8 5.5 5.5 19 14 <br /> ..�... <br /> -::{:.:i:?;'--:iii':':'::.v:'vs:'t• •:3r ::`4r-::::i: <br /> .n ..w..:.:`:& .r:.. .'-:: ':r......................:...:..-........ ..::...:..........vn:?i:.v.. ..a <br /> ''i>" :[;v.vnw ::v%Oi,.'..tiii•5:vn{'.�1.`$'v-.s•.:..i`: ,� ::p}v'i:':%_i:::�:ji;%: <br /> n...:kvi*:v�•r:C'�✓.,4"wKv}�rrd�+?ii�:%:w:..w.4:.x-nhJ. <br />' LOS Batch#: 1LCS052695 1LCS052695 1LCS052695 1LCS052695 BLK053095 BLK053095 <br /> ' Date Prepared: 5/26/95 5/26/95 5/26/95 5/26/95 5/30/95 5/30/95 <br /> Date Analyzed: 5/26/95 5/26/95 5/26/95 5/26/95 5/30/95 5/31/95 <br /> Instrument I.D.#: HP-2 HP-2 HP-2 HP-2 HP-3A HP-36 <br />' <br /> LOS% <br /> Recovery: 120 118 123 124 65 74 <br /> Recovery <br /> Control Limits: 55-145 47-149 47-155 56.140 38.122 38-122 <br /> PleaseNote: <br /> The LCS is a control sample of known,Interferent free matrix that Is analyzed using the same reagents, <br /> ~ SEQ OFA 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. k <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 /> Kevin Van Slafnbrook <br /> ' Project Manager <br /> 5051785ALT <3> <br />- rte- �' <br />