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 00 of 53 8 c lassic a l whe r e ther e is l it tl e or no swe a ti ng usu a ll y oc c urs in c hil dre n p e rsons w ho a r e c h ronic a l l y il l and the e lder l y a nd e x e rtiona l whe r e bod y tempe ra tur e rise s be c a us e of str e nuous e x e r c ise or wor k a nd swe a ti ng is us ua ll y pre se nt W hil e s y mpt oms ca n v a r y f rom pe rson to pe rson the wa rnin g si g ns of he a t st roke c a n includ e c omp laints of sudde n a nd se ve re f a ti g u e na use a diz z iness li g hthea de dn e ss and ma y or ma y not i nc lude sw e a ti n g I f a c o wor ke r a ppe a rs to be dis orie ntate d or c onfuse d i nc ludi ng e upho ria or h a s un a c c ountable i rr it a bil it y mala ise or f lu li ke s y mpt oms the wor ke r should be mov e d to a c ool l oc a ti on a nd se e k medic a l advic e W he n e va luating e nviron menta l conditi ons for He a t S tre ss i t i s im porta nt t o fa c tor in r e lative humidi t y a nd tempe ra tur e The r e sult ing va lu e or H umi de x s ee ch ar t will be the ba sis f or w orkr e st and re spons e g uid e li ne s Doc u m e n t Identif icat ion S E L 024 P age Nu m b e r 5 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 Humidex fr om Te mper a t ure a nd R e lative Humidi ty R e a din g s R e lative H umi dit y 1 0 0 29 31 33 35 37 39 41 43 45 48 50 53 55 58 95 28 30 32 34 36 38 40 42 44 47 49 51 54 56 59 90 28 30 31 33 35 37 39 41 43 45 48 50 52 55 57 60 85 27 29 31 32 34 36 38 40 42 44 46 49 51 53 56 58 80 26 28 30 32 33 35 37 39 41 43 45 47 50 52 54 57 59 75 26 27 29 31 33 34 36 38 40 42 44 46 48 50 53 55 57 70 25 27 28 30 32 33 35 37 39 41 43 45 47 49 51 53 56 58 65 24 26 27 29 31 32 34 36 38 40 42 43 45 47 50 52 54 56 60 24 25 27 28 30 32 33 35 37 38 40 42 44 46 48 50 52 54 57 55 23 24 26 27 29 31 32 34 36 37 39 41 43 45 46 48 50 52 55 57 50 22 24 25 27 28 30 31 33 34 36 38 40 41 43 45 47 49 51 53 55 57 45 22 23 24 26 27 28 30 32 33 35 37 38 40 42 43 45 47 49 51 53 55 57 40 24 25 26 28 29 31 32 34 35 37 39 40 42 44 45 47 49 51 53 54 56 35 24 26 27 28 30 31 33 34 36 37 39 40 42 43 45 47 49 50 52 54