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 1 99 of 53 8 32 34 75 mi n 2 55 mi n 3 40 mi n 4 30 mi n 5 Non e mer ge nc y wor k shoul d c e a se 35 37 55 mi n 3 40 mi n 4 30 mi n 5 Non e mer ge nc y wor k shoul d c e a se 38 39 40 mi n 4 30 mi n 5 Non e mer ge nc y wor k shoul d c e a se 40 42 30 mi n 5 Non e mer ge nc y wor k shoul d c e a se 43 B e low Non e mer ge nc y wor k shoul d c e a se W orking in h ot e nvironmen ts W he n wor king in hot e nv ironme nts t he e ff e c ts of h e a t on t he bod y a r e influe nc e d b y a numbe r of e nvi ronme ntal a nd pe rsona l f a c tors thes e ma y include Air te mper a tur e Air move ment Humidi t y R a diant tempe ra tur e C lot hing wor n W a ter a nd sa lt ba lanc e L e v e l of a c ti vit y Ac c li matiz a ti on W he re possi ble w orke rs must c ontrol t he se fa c tor s to p re ve nt He a t S tre ss r e late d il lnesse s He a t r e late d il lnesse s tha t m a y oc c ur w h e n wor kin g in hot e nvironmen ts inc lude Doc u m e n t Identif icat ion S E L 024 P age Nu m b e r 4 of 5 Doc u m e n t C r e ation Dat e J a nua r y 1 2013 Im p le m e n tat ion Dat e J a nua r y 1 2013 He a t ra sh o r pr ickl y he a t that oc c urs w h e n blocke d swe a t g lands be c ome i nfla med T his painful r a s h re duc e s th e bod y s a bil it y to swe a t and to tol e ra t e he a t He a t cr a mps ar e pa inful s pa sms of the muscle s Th e muscle s used in doing t he wor k a re most susce pti ble T he spa sms a re c a use d b y the fa il ure of the bod y to re pla c e it s los t bod y sa lt s a nd usua ll y oc c ur a fte r h e a v y sw e a ti ng He a t ex ha usti on re sult s whe n t he bod y loses lar ge a mount s of f lui d b y s w e a ti ng du ring wor k in hot e nvironmen ts The skin b e c omes c ool and c lamm y S y mpt oms i nc lude p rof use swe a ti n g we a kne ss diz z iness na use a a nd he a da c h e s He a t st roke is t he most se rious c ondit ion and r e qu ire s im me diate medic a l a tt e nti on The bod y tempe ra tur e be c omes v e r y hi g h e ve n e x c e e din g 4 1C Compl e te or pa rtia l loss of c onsc iousn e ss i s possi ble Swe a ti ng is no t a g ood s y mpt om of he a t stre ss as the re a re t wo t y pe s of he a t st rok e