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 47 of 53 8 Ha ve the w o rke r put on a test hood whil e we a rin g the r e spira tor Th e fr ont portion of the hood shoul d be c lea r o f the r e spira tor a nd pr ovide su ff ic ient r oom for fr e e he a d moveme nt I nstru c t t he wor k e r to br e a the thr ou g h a sli g htl y op e n mout h with t he tong ue e x tende d Ask the wor ke r to le t y ou know if a bit ter taste c a n be de te c ted I ns e rt the ne buli z e r f il led with pre pa r e d sol uti on int o the ope ning in t he tes t hood di re c tl y in f ront of the w orke r s nose a nd m outh Dire c t t he spra y a w a y fr om t he wo rke r s br e a thi ng z one F irml y squ e e z e the bulb of the ne buli z e r c ont a ini ng the te st s olut ion either 10 20 or 30 ti mes de pe ndin g on the w ork e r s se nsit ivi t y to t he bit ter a e rosol a s d e ter mi ne d b y thre shol d s c re e ning I nstru c t t he wor k e r to per for m t he six fit t e st e x e rc ises a nd tell y ou if a bit ter taste c a n b e de te c ted Eve r y 30 se c o nds re plen ish t he a e rosol c onc e ntra t ion b y sque e z ing the ne b uli z e r bulb ha lf the number of sque e z e s used pre vious l y ie use 5 1 0 or 15 sque e z e s Squi rt the solut ion i nto t he test hood I f the w ork e r r e ports tasti ng the bitt e r a e rosol the re spira tor h a s fa il e d the f it test I f the wo rke r c a nnot dete c t t he bit ter a e rosol the r e spir a tor ha s pa ssed the fit t e st 1 2 2 S a c c ha rin S olut ion Ae ros ol F it Te st This t e st i s si mi lar to t he b it ter a e rosol sol uti on fit t e st I nste a d of u sin g a bi tt e r tasting a e rosol the fit teste r e x pose s the w orke r to t he swe e t t a ste of s a c c ha rin The thre shol d sc re e ning a nd the f it test a r e done in a te st enc losur e o r hoo d that c ove rs the h e a d a nd shoul de rs The sa c c ha rin solut ion t hre shol d sc re e nin g is i de nti c a l t o that of the bitt e r a e rosol e x c e pt t ha t t he w orke r must de mons tra te the a bi li t y to d e tec t t he sw e e t ta ste of the te st a g e nt F or the fit t e st a w o rke r we a rs a re spi r a tor e quipp e d with an y pa rtic ulat e fi lt e r T he teste r sp ra y s the test solut ion i nto t he test hoo d dire c tl y in fr ont of the wor ke r s nose a nd mout h I f the wor k e r c a nnot det e c t a swe e t t a ste a fte r e it he r 10 20 or 30 sque e z e s it mea ns t ha t t he re spir a to r fits prope rl y W orke rs should not e a t drink e x c e pt pl a in wa ter smoke or c h e w g um f or a t l e a st 15 mi nutes be f ore taking the sa c c h a rin solut ion ae rosol f it test W orke rs w ho e a t or dr ink som e thi ng sw e e t bef o re the t e st ma y not be a ble to de te c t t he t a ste of sa c c ha rin a n d mus t not be a ll owe d to under g o the f it test A bitt e r or s w e e t sol uti on is s pray e d int o the te st hoo d for the bitt e r ae rosol or sacc hari n fi t t e st Doc u m e n t Identif icat ion S E L 033 P age Nu m b e r 14 of 14 Doc u m e n t C r e ation Dat e Ma y 2 2015 Im p le m e n tat ion Dat e J une 30 2015 1 2 3 I so a m y l A c e tat e B a na n a Oil F it Te st