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 46 of 53 8 Bel t erra u t i l i z es q u a l i t at i v e fi t t es t i n g pr o ce d u r es 1 2 1 B it ter Ae rosol Ta ste F it Te st I n thi s test a w o rke r is e x pose d to a spr a y c ontaining de n a toni um benz oa te I t has a n e x tre mel y bit ter taste The wor k e r w e a rs a re spira to r e quipped w it h a n y p a rtic ulate filter a n d puts on a test e nc losure or hood that c ove rs the h e a d a nd shoul de rs The fit t e ster e x pose s the w orke r t o the bitt e r a e rosol b y spra y in g th e test sol uti on int o the e nc losure B e c a use it is a ve r y bit ter sol uti on it c a n be e a sil y de te c ted b y the w o rke r i f it l e a ks t hroug h th e fa c e se a l I f th e wor ke r c a nnot t a ste th e bit ter a e rosol a fte r the pre de te rmine d number of sque e z e s it mea ns t ha t t he re spira to r f it s prope rl y A bitt e r a e rosol f it testin g kit c a n b e purc h a se d f r om su ppli e rs of sa fe t y e q uipm e nt The se kit s c ontain pre mi x e d sol uti on a s we ll a s ins truc ti ons for a dmi nist e ring the f it test 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 taki ng the bitt e r a e rosol f it test B e fo re c ondu c ti ng th e te st m a ke sure the w o rke r be ing fit t e sted c a n d e tec t the bi tt e r ta ste b y pe rf ormin g a thr e shol d sc re e nin g c he c k The thre shol d sc re e nin g shoul d b e done unde r a test hood a nd the w orke r b e in g teste d s hould not we a r a re spira t or Caution Thi s test ag e nt ma y a ff e c t wor k e rs w it h re spira tor y se nsit ivi ti e s B it ter A e rosol Thr e shol d S c re e nin g 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 w he n a bit ter tast e c a n be d e tec ted I ns e rt a ne buli z e r c ontain ing the thr e shol d c he c k s olut ion i nto an ope ning loca ted a t t he fr ont of the test hood Dire c t t he spr a y a wa y f rom the w ork e r s bre a thi n g z one R a pidl y sque e z e the bulb of the ne buli z e r 10 tim e s a nd a sk i f the wo rke r c a n taste the bitt e r a e rosol I f the w ork e r c a nnot t a ste the bitt e r a e rosol r a p idl y sque e z e the ne buli z e r b ulb 10 m ore ti mes a nd a sk a g a in i f the wo rke r c a n taste it I f the r e sponse is s ti ll ne g a ti ve sque e z e the ne buli z e r bulb 10 more ti mes Onc e the w o rke r re ports t a sti ng the bitt e r ta ste p ro c e e d with t he fit t e st I f the w orke r c a nnot d e tec t the bitt e r ta ste a fte r 30 sq ue e z e s pe rf o rm a diff e re nt fit test B it ter Ae rosol F it Te st P r oc e dure The wor ke r should put on t he re spira tor a nd a ll ot he r pe rson a l protec ti ve e quipm e nt su c h a s e y e prote c ti on or a h a rd ha t A suc c e ssful s e a l c h e c k must be done be for e the f it test Doc u m e n t Identif icat ion S E L 033 P age Nu m b e r 13 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 P re pa re a sol uti on made of bitt e r a e rosol a nd sa lt sol uti on in wa rm w a ter a nd pour the solut ion i nto a ne buli z e r