Document 934DbEX99GLkr1kYVQgN2yyq6

FILE NAME: US Gypsum (USG) DATE: August 24, 1943 DOC#: USG047 DOCUMENT DESCRIPTION: 1943 general order regarding elimination of dusty conditions. Replaces page 1 of 4/1/43. Page 2 is from 4/1/43 order. O oerating D ivision GNRAL CEDER Vice P res.-O p eratio n s ELIMINATION OF DUSTY CONDITIONS No. 2-5 Date 3-24-43 Page 1 of 2 Cancels Page 1 D ated 4-1-43 Laws and regulation's P la n t Managers s h a ll be fa m ilia r w ith s ta te and lo c a l re g u la tio n s concerning v e n tila tio n and d u st e lim in a tio n , and s h a ll prom ptly n o tify th e ir P ro d u ctio n Manager o f any v i o l a t i o n s , o u t l i n i n g th e ch an g es i n equipm ent o r m ethods n e c e s s a r y f o r f u l l com p lia n c e . Where e lim in a tio n o f d u st i s im p o ssib le under e x is tin g c o n d itio n s , a u th o rity re - q u e sts f o r d u st c o lle c tin g equipm ent s h a ll be p rep a re d and su b m itted to P ro d u ctio n M anager. HE&.UIPED PRECAUTIONS P la n t Managers a re re sp o n sib le fo r se ein g th a t th e fo llo w in g p re c a u tio n s are taken to e lim in a te ex trem ely d u sty c o n d itio n s and sh o u ld endeavor to avoid em ploying in d iv id u als p rev io u sly exposed to hazardous dust concentrations 5 Good v e n t i l a t i o n s h a l l be m a in ta in e d i n a l l w o rk in g a r e a s and c le a n u p 7/o rk handled in a manner which w ill n o t g r e a tly in c re a se d u st co n c e n tra tio n . D ust c o lle c tin g equipment s h a ll be re g u la rly in sp e cted and m ain tain ed , f o l low ing in s tru c tio n s issu ed by the m anufacturer. B ates packers s h a ll be kept tig h t and i f n ecessary to avoid excessive d u st, s h a ll be equipped w ith hood and c o lle c to r. Conveying, e le v a tin g and m ixing equipm ent s h a ll be so m ain tain ed th a t th e y are n o t sources of excessive d u st. Men ex p o sed t o h ig h c o n c e n t r a tio n s o f d u s t on i n f r e q u e n t jo b s su c h a s m ix e r c le a n -o u t, screen in g r e ta rd e r, shaking o u t bag3, sweeping or clea n in g under v e ry d u s ty c o n d i tio n s , e t c . , s h a l l be r e q u i r e d 10 w ear r e s p i r a t o r s . / Buhr sto n e d re s s in g o p e ra tio n s s h a ll be p ro v id ed w ith equipm ent f o r remov ing th e d u st a t th e p o in t o f o p e ra tio n . The c o lle c to r s h a ll be a F.uemelin o r e q u iv a le n t ty p e, which p ro v id e s s u c tio n a t th e d re ssin g to o l and removes th e d u st from th e s u rfa c e o f th e s to n e . The d u st drawn in to the c o lle c to r m ust be d is c h a r g e d i n t o an a r r e s t o r . V7orkmen engaged i n d r e s s i n g b u h r s to n e s ark r e q u ir e d to w ear g o g g le s and r e s p i r a t o r s . I t i s recommended th a t b e fo re any a p p lic a n t f o r employment is h ire d , th e h is t o r y o f h is p re v io u s employment be f u l l y d ev elo p ed . I f th e re i s a q u e s tio n a o le h is t o r y o f exposure to asb esto s o r s i l i c a d u st, o r an in d ic a te d p a r tia l lung d is a b ility such as tu b e rc u lo s is , th e a p p lic a n t sh o u ld n o t be employed u n t i l s a t i s f a c t o r i l y p assin g a m edical exam ination. Such a m ed ical exam ination s h a ll include the tak in g of ch eat X-Pays and th e ir in te r p r e ta tio n by Saranac L a b o ra to rie s as s e t f o rth in B ul le tin 4-5. I t i s f u r t h e r recommended t h a t th e o c c u p a tio n a l h i s t o r y o f ' a l l a p p l i c a n t s f o r em ploym ent be f u l l y re c o rd e d on Employment D ata and A p p lic a tio n ca rd , form 1614 - j. o /4 3 P e v ., and t h i s c a r d become a p a r t o f th e p erm an en t em ployment r e c o r d o f a l l a p p l i c a n t s h i r e d . Tho- p ro c e d u re recommended in t h i s and th e p r e c e d in g p a ra g ra p h Is a d e f in i te req u irem en t a t the E a st Chicago sh in g le p la n t, and a t C a k fie ld . / In d icates change Y V -* ELIMINATION OF DUSTT CONDITIONS Wo. 2 -5 Date 4-1-43 Pace 2 of 2 New B u l l e t i n RESPIRATORS W ith th e e x c ep tio n o f lim e p la n ts , where th e M artin d ale P ro te c tiv e Mask i3 s a tis f a c to r y , o n ly r e s p ir a to r s approved by th e B ureau o f M ines may be p u r chased and used fo r p ro tectio n ag ain st d u st. The fo llo w in g r e s p ir a to r s have re c e iv e d th e Bureau o f M ines' approval fo r non-poisouous d u st, but must not be used f o r p ro te c tio n a g a in st poisonous g a se s, o r where th e hazard i s la c k o f oxygen: . M .S.A. EXistfoe M .S.A . Comfo American O p tical #R-1000 American O p tic a l //R-9100 W illson #200 W illson #750 Chicago E y e'S h ield #94 Care o f R e sp ira to rs - R e sp ira to rs s h a ll n o t be in terch an g ed between em ployees and s h a ll be s te r i liz e d r e g u la rly by one o f tho follov7ing m ethods and befo re r e is s u e to another em ployee: a . Wash ru b b e r and m e ta l p a r ts w ith so a p , b ru sh , and warm w ate r and s t e r i l iz e by imm ersion f o r 10 m inutes in a s o lu tio n of form aldehyde (one part_ o f 40 p e r cen t form aldehyde s o lu tio n and 9 p a r ts o f w a te r.) b . Wash ru b b e r and m e ta l p a r ts w ith soap and w a te r, and s t e r i l i z e in a 3 per cent so lu tio n of carbolic acid, a 2 per cent so lu tio n of ly so l, or a 70 p e r ce n t s o lu tio n o f d en atu red a lc o h o l. c. S u b ject re s p ira to r to s te r iliz a tio n in a m oist atm osphere of a n tis e p tic g a s, p r e f e r a b ly form aldehyde, f o r a p e rio d o f 10 m inutes a t room tem pera tu re. A fter s te r iliz a tio n re s p ira to rs should be rin se d in w ater and d ried . F ilte r , f e l t sc re en s and lu s t ic head bands s h a ll alw ays be removed b efo re s t e r i l i z a tio n .