Belte r r a Cor p or at ion S afety M an ual D oc I D C H S M BE L 2 0 1 7 Pa g e 3 08 of 53 8 S a fe t y B oots The pot oper a tor should a lso be w e a rin g a pprop ria te c lot hing a nd dust mas k 32 HE A L TH HA ZA R DS The princ ipal ha z a rd a ss oc iate d with abr a sive bla sti ng the va st amount of a irbor ne dust g e n e ra t e d during the op e ra ti on The dust orig inat e s fr om the br e a k down a b ra sives a s we ll a s pul ve rise d su r fa c e c oa ti n g a nd a bra de d m a ter ial f rom the ob jec t bein g blaste d The he a lt h ha z a rd is r e lat e d to t he c onc e ntra ti on a nd pa rtic le siz e of the du st as we ll a s it s c ompos it ion R e membe ring diff e rin g blast m e dia ha ve diff e rin g c ompos it ions and the re f ore diff e r in g he a lt h risks As f a r a s c ompos it ion i s c onc e rn e d the g r e a test ha z a rd lie s with dus ts conta ini ng sil ica qua rtz The inhala ti on of thi s dust ove r a n e x tende d pe riod c a use s the se rious dis a b li ng lung dise a se known a s si li c osis Othe r f orms of m e dia c a n c a rr y oth e r t y pe s of tox ica nts b e a w a re o f the ris ks a nd pr e pa re a c c ordin g l y Dust orig inatin g fr om t he c omponent be in g blaste d c a n a lso po se a he a lt h h a z a rd Me tal dust s suc h a s lea d c a dmi um a nd manga ne se a re e x tre mel y tox ic upon inha lation P a in t coa ti ng s ma y a lso c ontain lea d or c h romium pig ments whic h ma y a lso pre se nt a h e a lt h ha z a rd if inhale d A se c ond he a lt h ha z a rd c onne c ted w it h a br a sive b lasting is ex c e ssi ve noise Noise orig in a tes fr om t he a br a sive bla st di sc ha r g e noz z le a s we ll a s fr om the impac t of the a bra sive on the sur fa c e be ing c lea n e d C ompre ss ors ma y a lso contribute t o hig h nois e leve ls 4 0 CO N TRO L ME ASU R E S 41 S AF ETY HA ZA R DS Hose li ne s whic h a re sub jec t t o de ter iora ti on f rom a bra sive ma t e ria ls m ust be e x a mi ne d da il y fo r a n y si g ns of m e c ha nic a l or w e a r da ma ge Doc u m e n t Identif icat ion S W P 003 P age Nu m b e r 3 OF 3 Doc u m e n t C r e ation Dat e Ma rc h 01 2017 Im p le m e n tat ion Dat e Ma rc h 30 2017 All m e tal pipes li ne s va lves pr e ssur e ve ssels a nd other pa rts shoul d be pe riodic a ll y teste d a nd inspec ted f or inte rna l det e rior a ti on