WPCF _i %@ኟ P$ $Nfj.ܣ{ աstZ]cQKar I RPOȁR<璓٧BJhZqU$)ZLS8s۩i^A?rtJ$-@W%MhGU>+l|1ZTJ!ai-;C9 VfxǕ˪Sj/ Aa>Mu.yM" !=Y -&H΃\8ejlif_ngdh?b Ž}P]/-d`3*T~ިZξm/G(Z&htzlqZwz׿ɨ>RQ7uqHΣڏ6ma_BvҞ&tJ=Ž'NM<> 'IDsV<^<ު:kaNgjP^9JSӘXF%eԨ1 #UNy % 0:N^ w4- m/#|xHP LaserJet 2200 Series PCL 60(9 Z6Times New Roman RegularX($USUS.,6jm- V,ertyBarU !USUS.,  _TITLE  Applicationof_VOST_Ԁand_SemiVOST_Ԁto_Nonhalogenated_Ԁ_CAAA_ԀCompounds  AUTHOR(S) ` M.Jackson,J._Bursey_,J._McGaughey_,andR.Merrill L  PERFORMINGORGANIZATIONNAMEANDADDRESS $ t RadianCorporation  ` Box13000  L  ResearchTrianglePark,NC27711  8  SPONSORINGAGENCYNAMEANDADDRESS   U.S.EPA   ResearchTrianglePark,NC   ABSTRACT p Alaboratorystudywasperformedtodemonstrateapplicabilityof \ _VOST_Ԁ(SW-846Methods0030and5041)and_SemiVOST_Ԁ(SW-846Method H 0010,DraftMethod3542,andMethod8270)forcollectionand 4 analysisof_nonhalogenated_ԀorganiccompoundslistedinTitleIIIof  p theCleanAirActAmendmentsof1990.Compoundswith(boiling  \ points132$wereselectedascandidate_VOST_Ԁ_analytes_,and_VOST_ H analyses(Method5041)ofspikedsorbenttubeswereperformedto 4 demonstratesuccessfulanalysis._Analytes_Ԁwithrecovery50%were   preparedasasinglecertifiedgaseousstandard._VOST_Ԁdynamic   spikingstudieswereperformedinthelaboratory.For_semivolatile_  andnonvolatilecompounds(boilingpoints100$C),GC/MSanalyses  (Method8270)wereperformedon_analytes_Ԁcombinedinasingle  solution.Severalinstancesofchemicalincompatibilityandpoor l solubilitywereencountered,andthese_analytes_Ԁwereeliminated X  fromfurtherstudy.Laboratory_SemiVOST_Ԁdynamicspikingstudies D! featuredacid/neutral_analytes_Ԁandbase/neutral_analytes_Ԁin 0"  separatesolutions;twosetsofexperimentswereperformed.All #l! compoundswithrecoveries50%willbetestedinafielddynamic $X" spikingstudy. $D #