Document kmnJkovZXE2GeBBm7o47EqEk0

FILE NAME: Metropolitan Life (ML) DATE: 1944 Sept 17 DOC#: ML147 DOCUMENT DESCRIPTION: NJ Dept of Health Inspection Report of Dust Conditions in Johns-Manville Plant c c pr In rep ly r e fe r to I . g. STAY? OP NEW DEPARTMENT OF HEALTH TRENTON 7 9t . J .E .B e g e r t , P la n t Manager Jehns-llenvills Corporation M e n v ille , New Je r s e y Dear Mr. Begarti November 17, 1944, Recently, rep resen tatives o f our Bureau o f In d u stria l Health v is ite d your p la n t to ake a d e ta lla d study or dust conditions in the te x tile d ep artn en t. Through the cou rtesy o f Mr. E . A. Toohey, Safety D ir e c to r , and H r. Js e k s o n , Department S u p e rv iso r, our re p ra a e n ta tiv e s, namely, Mr. J . C . R a d c lif fe and Mr. L . f. W aller were a b le to sample a l l areas fr e e ly and o b tain a l l p e rtin e n t in fo rr-a tio n . A l l sa rn ie s were c o lle c te d a t the op erators breath ing le v e l in representative working a re a a . The la b o ra to ry procedure fo llo e e d standard methods u sin g the l i g h t f i e l d technique and r e s u lts are expressed both in te rn s o f t o t a l dust count and in t o t a l fib r e count* The aaximua a llo w a b le co n ce n tra tio n o f t o t a l asb estos dust i s nor m ally accepted as f iv e s U l l o n p a r t ic le s per cu b ic f o o t . This standard makes no allow ance fo r fib r e count which rwrc recen t stu d ie s have In d icated nay be o f p rin a ry im portance. Aa a r e s u lt o f t h is study the fo llo w in g recommendations are nsde to a s s is t you in the fu rth er development o f your environmental c o n tr o l. 1 . Drv ureke b ln in t ^eavln> From thp r e s u lts o f sample number f i f t e e n i t i t in dicated th at some r ethod o f dust c o n tr o l should be in s t a lle d for a l l dry brake lin in g weaving o p e r a tio n s . I f these opar e t lona could b# don wet tbi* co n tro l would p a t a b ly be a d e c a te , otherw ise a re g u la r lo c a l exhaust system should be i n s t a l l e d . 2, Cloth *eaeinf R e s u lts o f samples numbered th ir te e n and fourteen indtate th a t 6h@ eethods o f exhaust ar@ adequate^ but the operators Bust b 3jttrrct#d to us t h e ir exhaust parttts eerraefely or sos e e n tra tie fis o f asfesi@@ dust w i l l b u ild up bw@ tha madmm allowables eoneatrati,,, 3- IXbsz-Szsstem R e su lts o f sarapl Busber oa indicate th at tha operation o f the chaser e i U and t t o filling o f the pnwwmafcic conveyor hopper night cause high, dust concentrations. Her ear in th handling o f these fib ers would, probably ridue# t h is cone ant r a ti on8 and i t i * advi sable to caution the operators in thi ay. m ET-0000632 trial exhibit 1 i . t\d 3plnntnr R esu lts o f sta p le r.uirtr uipht re not co n clu siv e enough to aeriend in r e o ia t e a c t io n . Further su n p lln around these machines should be Biade* 5- a ia Unloading and -eirthliu: R e s u lts o f s ta p le number three are ab o rt the allo w ab le l i n i t , but the c o n tin u a l use o f r e s p ir a to r s by these operator g ir t s adequate p ro tectio n here. Our Bureau c f Indus t r i c l H ealth i s in te re ste d In a l l phases o f p la n t h e a lth p r o te c tio n . F e e l f r ? e to c ? l l on then henerer the occasion a r is e s . Very tru ly yours. / / J. Lynn lia h a ffe y , U. 0. D irector o f Health