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JAN-14-200� ,09:.46A FROM: ._ __ _ _ „ T0:2494616 , . P:3�7 <br /> Priros►ry Sts�odard9: ANS�/NSF-61-20Q3t;socction 9, <br /> I'repara�ioa o!xest Samples <br /> Test samples wc�e rinsed and condiNoned as desaibed in ANSW, SF6]Z003,Sectiops B.5.2 and .5.3. <br /> Conditionir�a�od Exposarc <br /> ia-product coqditioning aad cxposar�c were conducted as desctibed in,�ANSL�NS�61 sec#ion 4.S.d.l Threo(3) <br /> u�its of the enti�re ssmpl4�assembl�•were cxposed to exuactiun water for conditioning ar�d eXposu �Or meta�s <br /> anaiysig. Ooe(1)unit oftha epLite sample aasembly will be qcpoaed to�ractioo water for corditf ming and <br /> expasure�or arganic aflal}5is_ <br /> Exposare and Nohmali�a�ion <br /> Followia�s condJcioning,the samples wete eacposed to extraetion uater aecording eo tl�e a�p)ica6le s:heme <br /> dewilyd in a�nex S, Seetions B.S.�,1 thru�5.�3. <br /> The�once�rtration of extcacted eontatamants we�e nonaalizod to epd usC(msider�tial)conditions e �ording ro <br /> the normalization procedure outiined in annex B=section3 B.B.$.l, aarl BS.$�, <br /> l7te laboratory concetrcration was norma!'rzed using the eqvation o�Lab wnee�tt�azion(ug/L)x t6e levice <br /> volume(L)x CMV(Cold wa�volumeftote,l device volum�e), <br /> � <br /> Exrraction 'Wa�r I <br /> The exrsaction aater w�prep�-ed as desacibed in AT�iSUlyS�6I 2003,Scction B.SS by combining:I <br /> 2S ml of 0.4M sodium bicarboaatc � <br /> Chlorin�stock solution aS descn�bed i�annex$5ection 8.�.2.4 <br /> Deion�aed wacer meeting ASTM D1193 Type�I tv iL. Adjast pH with O.IN N,Gi as nzc�ssary to H 8f0.S. <br /> Wa�er ptepa��ed in t6is mannzr sha.11�ave an alkaliaity of 500 ppm(,2S ppm), dissolve inorganic ca��on ef�22 <br /> PPm�z 5 PPm)�d2PPm(f 0.5 PPfi)free chlorine. � <br /> � <br /> Colleceioa/�reserration of�aCcs7tcdon'VVmtel� � <br /> i <br /> lrr�mediately following the exposute period, excraot�on waters eollected foT analpsis were poured ia prdvivusl <br /> prr.pared sPenple conraiaers fo�stornge nntil analysis,as specified in annex B,Sectio�u B.6 and Table 3B. Y <br /> Sample extracts for motal analysis were aqd'ttled with nitcic acid as speeifi�d ip EPA 200.8 pr�utoeol.� <br /> Sample e�ctroct fo�valati�e or�ic analysis will be pteserv�d with sodium thios�lfate,hyd�roehtoric a;id,and <br /> thei�refrigerared at 4±�Cclsius as specified in EPA 52d,Z pr�oj� <br /> S�p��e�chact for semi-volarile orgar�ic analysis will be preserved with sulfwic acid aod tbon rmfri �ated at 4 <br /> +2 Cet�ius ag speeified ir�bpA S2S2 ar�d SW 846 5270 protocols_ <br /> Report No. 304-TOSOI8 Aage 2 of 6 <br />