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EQUOIA HNRLYTICAL TEL 19169210100 Jul 16 '93 10 .55 No 003 P 08/09 <br /> SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 85834 <br /> is ronma klma' �ertt rojlect <br /> 41050 Mclaty Lane,Ste 160 Mat= Air <br /> I RosMle, CA 85678 <br /> 'Attention Paul Grp CC Sample Group, 307-0290 Reported. 15, 1993 � <br /> r� <br /> QUALITY CONTROL DATA REPORT <br /> ANALY'I•E �,y� <br /> @snzane Toluene benzens eves <br /> Method: EFA 8080 EPA 8020 EPA&M 8PA 8020 <br /> Analyst M C. P&C. MC M f;- <br /> Concentration 2.0 20 20 4.0 <br /> Spiked: mW m9/ m8/ m8/ <br /> cub,a rn Cut=m cubic m oumc m <br /> LCS Batch#: wom493Ms BLK071493MS BLK071493M$ BLKM493MS <br /> Date Preparad: 7/14/83 7/14/93 7/14/93 7/14193 <br /> Date Analyzed 7/14/93 7/14/93 7/14/83 7/14/93 <br /> lnmument 1.01.#: hFL2 HP-2 HP-2 HP-2 <br /> l,CS% <br /> Recovery' 105 105 105 98 <br /> Control Umas. M125 75-125 75-125 75.125 <br /> M. 3�2� pA •��M�,O Ai �F��hy y �X Y M x <br /> � W M5K Yp ii <br /> MS/MSD <br /> Batch# BLK071403 ULKD71493 BLXM493 BLK071493 <br /> Date Prepared: 7/14/93 7/14/93 7/14/93 7/14/$$ <br /> Date Analyzed 7114/9$ 7/14/93 7/14/9:3 7/14/93 <br /> Instrument LD.#: HP-2 HP-2 HP-2 HP-2 <br /> Matrix Spike <br /> %Recovery: 105 105 105 as <br /> Matrix Spike <br /> Duplicate% <br /> Recovery; 100 100 100 93 <br /> Relative% <br /> Difference: 4.9 4.9 4.9 52 <br /> Ply Now <br /> The LGS Is a centro[sample of Known,rnter}es9nt free matrac that is sn&Vzod usin4 the salve r-gw tq, <br /> SEQUOIA ANALYTICAL preparation and analYbOW methods employed for the sarnp*& The LCO%rvooyaty data is used for <br /> W11a1"of sample batch results ,,*to r aft effects,the OC horns for AAS/MSc's aro advisory w1y <br /> and aro not used to accept or re ect batch resins, <br /> WF.ndy Amundsen <br />