Document 34QV1z5DRO6z00gyn8YRx983

da P o n t d e Nemours and Co \0 CO 0 ^H5 <y * CO oo o <u cLoT\ H s> H -tpo i srH I Ai I .u y % oo $ (Q (U *4 aJ * O ih sis_____ "34 -.S *& = 8 5 g 1-aga i S-S| r| 4i w c8 Xt & O joists N37257 d IfaS r3 A ,, 5 .v3f gW> **a> w $f****<>d> fc -* <? Pt , # n g h O Qp .fc $ 03 g 43 42 a> <a a> _ _. H bO fe. 5? ta Gm*t*t' 0 <u to o ra .a a> 1)4>H H3H <H H j 4 DUP050041339 3/4 irre g u la r congestion in lungs, During exp.: I n it ia l d is- comfort & re sp ira to ry impairment, but recovery in 1.5 hours. A fte r e x p .: None <o r* co ssor ^ co co oo co CS <M CM CM * j o 6 no 01 44 CO <0 8 <8 if* CO co vONO\ wv M CM *H O 0 I H rl n *> fa o 41 01 0) 5 S <8 fa 3 t o W o in 43 J3 43 C<Mn 44 44 44 -^ *H ^4 & *g a u "o TO TO TO 4J 44 44 0 It 0 OO o ooo 555 - H H r-4 H fa fa fa O 0 0 44 OOOd *rt *rl M O 320 p--v /-s /-\ y-\ 0 8 O *0 ta oa 4- CO .0) H ja o rd WWW w 0 0 *o0 o M 0 JC 4-f o /-v' . t> *8 I VD 2 S I 9 TO C"> O CO I " 3 CO CM O O CO 5 O =C#M. aCcOm H,, OM8J3 SO 44 , .faK 44 TO OH8 . O fl 44 (9 TO B H0) S-4 1TO fa 41 9 g *00 14 TO 1*0 CM 44 01 *8? TO j3 S fa *3 01 41 01 U B O -TO 41 *< -TO s#p 3 TO TO ,, TO .TO 00 <0 fa fa 3 8 ` |H IP ..TOW r P? a> s * TO . B "3 5 O M O TO i-4 44 , > <M TO ' gf -TO TO (4 O TO "H TO ja nfflfi'H *H <44 3 O CB >. TO JSha 41 ov&- TO TO 44 44' p,0 W TO 8= , a v ji h fl o c | v n o a) O *H TO "3 3 X! *3 83 TO 0 U TO H 4 *C M C0H .0 3 TO fi o I 5 - o sj ^ fl flw "d O TO ''TO TO .3 TO TO TO TO -3 44 O 3 0 44 H US 00 TO TO TO I -rl TO 43 44 43 fa 44 -0} 44 "t o S^ ^ g 44 ^ I g u SB g O H S) m U TO 30 h 3> & TO f-l 0 44 3 0 O s 3g 01 *ro 44 <j* m A f> s0 0 CO rr4 O rM *H II d h m r-4 O o 44 8 O CO CO d (2 rl *r< O 0 43 "H 44 44 44 0 0 404 4434 u0 oO d I ^ IS- a 0,s g y o * TO 403 TO* to 0 X 0 0 Q <M g* ^ CJ o 0 CO d vi 0 hu w0 0d0 404 Sa 3 >s*rl M4 Q Q 0 W < fl W o -l -H 0 44 U 0 I" *0o d o I g 8 4) 01 < ITO sfa U0 <toS atJ W4 8 Si T3 0) 44 4- H s CO 44 a *> t o *W H *4 3 H TO TO TO TO 0 -rt fa r*l 44 S h : TOO TO *H 44 Ifa4J 0*fjjl g g* o>. 44 g TO TO g g TO *3 TO O "43 TO 43 TO 2 u 9 44 <H Li S3 TO -H m T) 1 0 44 O TO OB> r-> 44 O B -H 3 0008 TO 0 t 4 TO W t H 44 *3 TO O 10 TO TO 8 ,TO ^O fa TTOO 44 01 1T*4O fa 44 IP t 4 3 d *h CO TO g CO 44 TO IA 43 SiS* cd ,,o i4 :H 3 MM 14 > OOTO B . "H Hg B rt O N <} pM '4J to *rt r-l 44 0 *rf TO (3 ^ B O CTO |o 0 sa t o jrf TO a sg ocnt oo 44 to 3o CO P 8 TO CM 44 .. =4J T3 TO TO 35 i3 tnTO CM M3 CM 0 jd S 3 -a TO TO <H na S3 TT_OO 4TTO4O iiTTfOO H O TO SOU co ccoo CM k0 0 0 44 & o 0 S) CO u TO 60 TO M3 . W 3 >TO H r-l 0 _O 44 0 O 0 *H 0 44 <j* CO <f Sfl)S CM CO r-i 3 TO to to 2 o TO *n u TO 3 P *TOO TO 4J Qa 0 ttoo St B CM OU 0 C o TO TbOo M 44 0 0 n *0H TTOO 0 4J 8a O r0-4 St 404 CM 0 44 O r* 404 *d 44 44 i4 d MQ0 8/S 9 TO S Cy 4 S' fa sgg 30 3 h TO TO M TO ^ <4 o 44 4(4 44 O 44 II M 0. TO 0 01 3 Q fa TO O fr > *H S' S to 0 44 o x 0 co 0 dCO -}H4 44 4 rl to 0 0 >4 n m 44 a0 f4 44 W MM < Sf oo Mf co CM CO CO CM CM 0 *_d OCM I c! H rH 01 was TO O y m TO TO -TO TO O fa SOW 0 pd 0 44 3 M4 *d d _0 o 0 44 rfS udh o 0 0O r- -0* co SO cq OO CM CM 0/4 2040 Mica C o n tro l 24.4 10 4 N37257.01 DUP050041340 i tSummary: An approxim ation o the LC_0 was n o t obtained from these s tu d ie s ; however, appears th a t the te s t m a te ria ls w i l l have a ve ry low order o f acute in h a la tio n to x ic ity . A t the end o f ra ts appeared normal although dusty. There was no in te rfe re n c e w ith w eight gain fo llo w in g expo acute pulmonary, re a c tio n was observed e ith e r c lin ic a lly o r on gross p a th o lo g ic a l exam ination. N a f4 *0/ *H w *ri & W WOO . gS-S a 43 *H Q) t* s s ") 60 O t%M <U a M *2 4US' S'Sw i *o <D f I W,, i dj aJ > CU CO t M O SO TO _ 6ft \0 o\ **-| & QJ 4J Q DUP050041341