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 2 29 of 53 8 22 S upe rvisor s L e a d H a nd s re sponsi bil it ies inc lu de Ensur e that a ll pe rsonn e l ar e knowle d ge a ble o f the H2S re quire ments fo r the a re a s in whi c h the y wor k I n for m all per sonn e l of t he loca ti ons whe r e H2S ma y b e e x pe c ted Ensur e that a ll moni toring is compl e ted a t custom e r sites pr ior to B e lt e rr a e mpl o y e e s e nter in g the e x pose d a re a Ensur e a ll wa rning si g na g e a re post e d mount e d 23 W orke r Re sponsi bil it ies i nc lude Do not e nter a n y sit e or a re a if y ou h a ve not hav e H2S t ra ini ng S tric tl y follow the proc e dure s or c ustom e r H 2S prog ra m whe n on si te W e a r prope r Pe rsona l P r otec ti ve Equipm e nt whe n wor king in a re a s that m a y be c ome c ont a mi na ted b y H2S Do not e nter a n y a re a wh e re the PP M pa rts p e r m il li on f or H 2S ha s be e n de ter mi ne d to be hi g h unti l l e ve ls has be e n re du c e d a nd a re a is s a fe to e n ter a g a in D oc u m e n t Identif icat ion S E L 032 P age Nu m b e r 2 of 6 Doc u m e n t C r e ation Dat e Ma y 12 2015 Im p le m e n tat ion Dat e J une 30 2015 30 P HYS ICA L CHE M I CA L P RO P E RTIE S C olor C olorle ss Odor Of fe nsive sim il a r to sulf ur or rotte n e gg s Va por D e nsit y He a vier th a t air 119 Ex plosi ve li mi ts 43 to 460 V olum e in air F lammabili t y B urns r e a dil y with bl ue f lam auto ig nit ion poi nt 260 C S olubi li t y R e a dil y S olubl e in wa te r oil a nd e mul sion B oil ing P oint 60 C in l iqui d for m norma ll y foun d a s a g a s 40 CONC E NTRA T ION L E VEL S Thr e e lev e ls of Oc c upa ti on a l Ex posure li mi ts hav e be e n e stablis he d to prote c t wor ke rs f rom the tox ic e ff e c t of H 2S B e low a re the ma x im um par ts per mi ll ion of H2S wor ke rs c a n be e x pose d to bef or e a n e va c u a ti on mus t t a ke plac e 10 ppm Time w e ig hted Ave ra ge Ma x im um exposur e in an e i g ht hour w ork d a y 15ppm S hort ter m ex pos ure leve l Ac c e ptable fo r no more than 15 minut e s 15 ppm C e il ing Ex posure L e v e l No w ork e r ma y be e x pose d to m ore tha n 15 ppm Va rious c onc e ntra ti ons o f H 2S a nd the tox ic e ff e c t t ha t ca n be e x pe c ted on the bod y a re li sted be low 1 ppm Ea sil y noti c e a ble b y the sme ll in t he a re a 10 P P M Me t t he OE L fo r a nd 8 hour da y h a s be e n met 15 ppm C e il ing for e x posure re a c he d 20 50 ppm S e ve re e y e irr it a ti on nose throa t a nd lung ir rita ti on los s of a ppe ti te