Document 7O84QX4ZEOdd6JDNGmX3oy10V

ARR 3253 as --_ DuPon"atndHaEsnkveilrlonLmaebnotraaltoSrcyiefnocreHsealth AR2RE _3253 0 mrfmmrocker nas FROM: J.C. MASLANKA August 5, 2002 ac: G. A. Ladies a TEST SUBSTANCE STABILITY OF P MHaesdkielallSRuenspelaercNhuPmrbojeerct Number: A`AnnaallyyttiiccaallRTeepsotrCtodNeu:mber: Cohimm ] (mHA=-2002.055 tsaaticshfyepdroitotchoelarneaqluyitirceamlenrtesporfotrfMoJthe shu identified above. This analysis was performed to may also be used for other purposes --_ Company ganized DoesoPtOHcontain TSCACE! TEST SUBSTANCE STABILITY orf----] Heiediet!SReopsmeoaerncNhaoPrefrc:omer [oennsls aSssoism ocoe a, Toe emrepreyaofl enop cle ofII. v2, 200, ry Mi 20,2002 SUMMARY. "The percentageofactive ingredient (a.i.) was measured to be 101.8% + 2.9 with range of 99.5 sevaTuRES: sien R00Rs Richard F. Rossi Chemistry Associate psig soa Date. Report: (hack: C Dantes os. Le 2002) Janet C. Maslanka + Senior Staff Chemist Dusiomot; __05= Hug. -- coz) --_ post Company Santized. Does not contain'TSC! ~~ . ~ iA002.055 pg 23 METHODS rrAnealaeyslisgs forethei ps0erd.centad Sagaleotofoa.ris.iairnnadsaame ple.e-- eo v -- boomin performed by gas. > SAMPLE PREPARATION & ANALYSIS io 019500530055 yo oS tc er lL(o1o0w0nimonmLi)gnatmolegtcihvooednnocmeinnaltcaofn2c3en,tr2a0ti0on,s7o3f039p9,p3m34r,esapenctd3i8ve4lyp,pamn.d anaThelaylzieqduostsawrerienfuortthherediluted INSTRUMENT & CONDITIONS ogonr a mor SHJoEpwWileD2tt5BP0acIka7rd30M0oM1d0e56289m0mGCD, 10pfimm tiknsss BCoereecreGros FHIDL e(21lnmimn) STpleittvoennt:Volume: Siler 45.1 mL/min Oven PnnriiogllraTTme:meperature: G11r0a0mdi0ine,nt LLoovve 11 TReamp:erature: 2206C0hmCin. TLooaveln1mTtommee: 0500mmiinn CALIBRATION & QUANTITATION c. Calibration and Quantitation ArnradnhaaysteidcoalmsFnlrorevem USA forteal: Som iaion wa mei . oater methanol. tons ofspo This stock solution ah Loeb was sonicated gE to assure that all A Gr material was in solution. ch spl to Tro calraton sree `solutionof internal standard `was final prepared in methanolaft concentrationof 40 ppm. addedto each calibration The ratioofthe intemal standard standard and test solution to gfe a of --] peak heights from replicate GC analysisofthese solutions were used8 construct a calibration curve by least squares regression. Measured concentrations for cach purity solution were determined by applying the peak height ratios from replicate injections of J---- ant cantata TSCACBI HA2002055 pa3gofe3 RESULTS [oSapapmrmoexdimm.atelmy 3.4--mim.es..The scpronsorcreporcted pmuritoy dpecJwBihetnhhaerseamtpleenwttoisimeonf `Table 1. The percoefna.t in the 1. 23 SatvaenrdaagredPeDrecveinattiNonomina [Content of Variaton oor NR TaT] mple analyzPeedrcMcaayi 30,2002. BHoo Bo mdssi mr aiewsee 15F0s1As --_ le Col oooot o-*