Document 5DKvg864Bwn2vQooGvVYokKqz

FILE NAME: Flooring Defense Exhibits (FLDX) DATE: 1979 May DOC#: FLDX007 DOCUMENT DESCRIPTION: Memo - Dept of the Navy RE Report on Industrial Hygiene Survey of Airborne Asbestos Concentrations from Vinyl-Asbestos Tile Operations OErASTMENT OF THE KAVY K > v i . R s i i C s a u * J f 2 i C 4 L Cl i m C. =* IJ* l ^ 1 * 4 ii t t r i r > c- .* ; r iii:Kr;:hy 626n Ser 14-133 23 Kay 1979 Fi b s : Commending O f f i c e r , H a v e l R e g i o n a l K e d i c a l C l i n i c , Haw-i U To: C o r i a n d e r , P e a r l H a r b o r KavaJ S h i p y a r d ( A t t n : Code 140) , Subj: Ref: In d u stria l Hygiene Survey of Airborne Asbestos Concentrations from Vinyl-Asbestos T ile Operations; r e p c t t on (a) Code 140 memo 3 - 1 0 4 Code 14 2,123 o f 9 Kay 1979 (b) DKIV C r i t e r i a f o r a R e c o s u n d e d S t a n d a r d ___O c c u p a t io n a l Exposure t o Asbej t e a , KiOSH P u b l i c a t i o n H5M 72-10267, 1972 ' (c) OSHA 2206 (29 CHt 1910) J a n 1976 (d) 0PSAV7HST 6 2 6 0 . 1A, C o n t r o l o f A s b e s t o s E x p o s u r e to JTaval Personnel and Environs 1. Refe re nce ( a ) r e q u e s t e d t h e NRKC I n d u s t r i a l H y g i e n e Branch to d termine c o n c e n t r a t i o n s o f a i r b o r n e a s b e s t o s f i b e r s g e n e r a t e d d u r in g a ty p ic a l sh ipboard i n s t a l l a t i o n of v in y l - a s b e s t o s f l o o r C l l c . Conse q u e n t l y , t h e s u b j e c t s u r v e y v a s co nd uct ed on 15 Kay 1579 by Hr, Harry* T.inOza, HXK I n d u s t r i a l H y g i e n i s t . 2, 7ne s i m u l a t e d o p e r a t i o n v s con d uc te d on t h e s e c o n d deck of Shop 64, Bu il di n g 7, An a r e a u*as s v e p e c l e a n and t h e n covcrvil v l r h vr appim; p a p e r . Two t e n . w e n t t h r o u g h t h e p r o c e d u r e c f l a y i n g th e f l o o r t i l on the ?ar-e r *nd c u t t i n g some o f t h e t i l e s u s i n g a l i n o l e u m k n H e . The t i l e used i s i d n : i f i e d a j FUNTXOTT V in y l A s b e s t o s F l o o r T i l e , FSH 72 2 0- 63 4- 53 21, m a n u f a c t u r e d by F l i r . t b o t e Company, I c s Ar.geles, CA, Breathing rone samples fo r one hour and f o r 15-minute i n t e r v a ls were obtained on b o th s e n as they l a i d and cut th e t i l e s . I n a d d itio n , a g e n e r a l a r e a t a a l e v a s o b t a i n e d a t the edge o f t h e w o rk . To s i m u l a t e th e v e r s t p o s s i b l e c o n d i t i e a , a 15--minute b r e a t h i n g r o n e sample v a s I s o obtained v h i l e Worker wa* c u t t i n g and s h a v in g a f l o o r t i l e . Throughout t h e w h o le o p e r a t i o n , b o t h men wore a u r g i c a l r u b b e r g lo v e s and 3M 8710 r e s p i r a b l e d u s t r e s p i r a t o r s . 3. Analysis of each aanple v ia performed according to the procedure o u tlin ed i n r e f e r e n c e ( b ) . The r e s u l t s ahowed t h a t no asb e sto s f i b e r vs found in any of the samples analyzed. A ll r e s u l t a a re well below t h e T h r e s h o l d L i m i t V a l u e (TLV) o f 2 f i b e r s p a r c u b i c c e n t i m e t e r o f a ir stated in referen c es (e) and (d). These r e s u lta were not unexpected for the following reasons: a. The i n s t a l l a t i o n and c u t t i n g o p e r a t i o n s do n o t c r e a t e any asb esto s dus t ' 12C 4 a Ji r j y 1 7 / V SwbJ: I n d u s t r i a l H y g ie n e S u r v e y o f A ir b o r n e A s b e s t o s C o n c e n t r a t i o n fro Y lnyl-A sbestes T i l e O perations; r e p o r t on b. The few a s b esto s f i b e r s v h ic h ere p r e s e t ere t i g h t l y bound In the vinyl t i l e . Based on th e r e s u l t o f t h e s e ^ l e a n a l y s i s , t h e o p e r a t i o n o f la y i n g nd c u t t i n g th e v in y 1 - o s b e s te a t i l e ahould c o n s t i t u t e no p o t e n t i a l health hazards to the vorkexe. A. I f t h e r e a r e any q u e s t i o n * p e r t a i n i n g t o t h i s r e p o r t , p l e i s e c o n t a c t fir. Harry Hi n o t a a t 4 7 t - 4 2 4 2 . Cnpv t o : Cod-* 155 J . t . 0530RSE By d i r e c t i o n ld]ij o.i ' fift ! 1 ff iV \ It I i 0 oi %it \* 2 J.2 C 5