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AN ENVIRONMENTAL ANALYTICAL_LABORATORY <br /> LABORATORY,NARRATIVE <br /> P.^Iodifed TO- <br /> Toxichem <br /> Workordei*0705I2SRI <br /> Six l Liter Summ-'a Canister'samples were i-eceived on Nlay'04, 2007. I(�e lalloratory petfor'med analysis'via <br /> modified EPA Method"IO-15 using GC/MS in fire foil scan mode' The method involves concentrating up to <br /> 0.2 ijter-s o' .aiz-• The-concentrated aliquot is then flash vaporized and swept through a water management <br /> system to remove water vapor. Following delatrmidification, the sample passes directly into the GC/MS for <br /> analysis. <br /> Method modifications taken fo run these sasrrples are summitrized in the below table. Specific.pa-oject <br /> requirements may Over-ride the ATL modifications- <br /> TO-1.5 ` <br /> Requiz ezrzetzt 7'D-1.S <br /> Daily CCV �-30%Difference .30%Difference with tvvo allowed out ug to V-4001n.-, <br /> flag.and narrate Dudiers <br /> Sflraple Collection�n4dil3 sunitt�zz'onzlistcr ATL recons-ends usu of sumtna canisters to insure data <br /> (Iefetlsibili#y,but will report results from Pedlar bags at <br /> client reques#` <br /> Method:Detection;itzutIt, Cf,� s ll <br /> �'011(7w< Ci .,,,3(7 'fl1.c:.Pv v IIli;t 8.1i rc",ic^'JF3.iIt i'C.i]LIfrBH3f:i1t5 Irll�i2uEI0dT�)-l5 -. <br /> App,:B (Statist WD.L less than the.,0Q).The concentration of <br /> f the spikrd replicate InELY have e.\eced(.d 10)(Ilje calculated <br /> MDT,in solne Cases <br /> Receiving Notes <br /> There were no receivit-tg discrepancies. <br /> Anal tical Notes <br /> THE WORD ORDER-WAS REISSUED ON 5/24/07 TO CORRECT TBF TARGh"T COMPOUND <br /> LIST AND REPORTING .LIMITS AS REQUIRED By TM� SpECIFIC CLIENT OR PROJECT. <br /> CHANGING TIDE C QMPOUND LIST AND REPORTING LMTS CAUSED SOME PREVIOUSLY <br /> REPORTED COMPOUNDS TO BECOME NOT RE.POR`l'ED, <br /> THE ORIGINAL LABORATORY NARRATIVES WERE NO LONGER APPLICABLE AND HAVE <br /> BEEN DEIXTED, <br /> Definition;of Data Qu.alif in Fin <br /> Eight qualifiers May_have been used on the data analysis sheets and indicates as follows_ <br /> B - Compound present in laboratory blank greater than reporting limit <br /> Performed), .(back-ground subtraction no <br /> ; <br /> J- EstiYnated value. <br /> E- Exceeds instrument calibration range. <br /> S Sat€rated peak; <br /> Q - Exceeds quality control limits. <br /> U- Compound analyzed for but not detected above the reporting limit <br /> Page 2 of 18 <br />