Document gDY1mV65MQ3QLwN5aEgy2bDLJ

FOR DU PONT USE ONLY REVISED COPY AR226-2754 E . I . du Pont de Nemours and Company H askell Lab oratory fo r Toxicology and In d u s tria l M edicine E lk to n Road, Newark, Delaware 19 711 HASKELL LABORATORY REPORT NO. 664-80 M aterial Tested Ammonium E e r f 1 u o ro c a p ry la te n B p rj Study Initiated/C om oleted May 1980 to J u l y 1980 Haskell No. 12 ,0 3 7 O th e r Codes M a te ria l Subm itted by Purpose: WAnanonlum P e r flu o r o c a ty r y la t i e so lra to r Evaluation j ( B ^ u s t ef o r Ub r e a k th r o u ^ Typ S GMA' H f r i d g e s ( p a r t # 464029)2a g a in s t Procedure: S a i r s w ere te s!te<* a g a in s t an a v e ra g e c o n c e n t r a tio n o f 0 .5 6 mg/m3 | " J P j ne* a ^et^ .in a d u s t g e n e r a to r and In tro d u c e d i n t o an a i r f lo w o f 60 l i t e r s * 5 n s S a m t flnHaHnt a i ?ed a t ? ? r e la !t i v e h u m id ity and a m b ie n t room te m p e r a tu r e . B o th f ? n ^ aI L n i d downs^ eam. a i f b5 r n e 'c o n c e n tra tio n s w ere m o n ito re d f o r f f g m i u s t by n n l c ? M f & `'a s s e tte s .f ? cked up> 1th an f i n g e r sam pling tr a in t f c " V b f i r f Sa i i A B W V? P? r S * A 1 1 q u o t ? *: th e OQueous e x t r a c t s o f th e f i l t e r p a p e r 0 ) ?queo,,? 1mP ir^ e r sam ples were a n a ly z e d c o l o r i m e t r i c a l l y f o r M M b j ^ h e M ethylene B lue Method re p o rte d by th e P la s tic s Departm ent A M A f t e r 40 hours o f continuous exposure no d e te c ta b le am ouniFof o r "vapor was found downstream on the b re a th in g sid e o f th e c a rtrld o e te s te d . The minimum d e te c ta b le l i m i t was 1 .5 pg o f J B a le d on a 420 l i t e r a i r sam ple t h i s w ould c a lc u la t e o u t to be .0 0 4 mg/m3 J R e s u lts : Cartridge P a ir 1 2 Mean Upstream Airborne Concentration mg/nH 0 .6 7 + 0.33 0 .48 + 0 .15 Exposure Tim e hours 40 54 Gelman g la s s f i b e r f i l t e r s (2) P a rt 464029 contain s s ix Type A/5 47mm (0 .3 p m ) #460842 c a r tr id g e s . not contain TSCA CB1 Sanitized. Does Company D is c u s s io n : The re s u lts demonstra t the N ,S .A . co m b in a tio n ty p e GMA-H c a r tr id g e s e ffe c tive ly fllte r M fld u s vapor concentrations a t the te s t conditions hf*oMrita m`inim` u1m o f 40 h-oiulr.s.................. i d e te c tio n l i m i t o f .0 0 4 mg/m3 is tw o and o n e - h a lf times lower than the promised acceptable exposure lim it ( A E L ) ; th e re fo re , these ca rtrid g e s could b e u s e d ja t le a st fo r n 40 hour w eek.' However, r e c o r d a t i o n s f o r c a rtrid g e use hid'b fn a d e ly 'a n ' in d u s tria H y g i e n i s t f u l l y aware o f th e workplace exposures and a irb o rn e c o n c e n tra tio n s. 6 ev, . Henry, NWH.'jms D a te Is s u e d : Sep tem ber I S , 1< HL Report N o ,: 664-80 . ..a., v' . J r George E. Bettinger r. T e c h n ic a l Services Division ,> -.y-, o ,/ ColP.an - 2- --- .i . o