Operator's Manual

–Crystallinesilicaandotherdust
Ifyouwillbedrillingthroughorcuttingconcrete,
sand,orothersubstancesthatcreatedusts
orfumes,youneedtoensurethatyouandall
workerswearbreathingprotectiontoprotect
yourlungsfromthedust.
WARNING
Machiningorhandlingstone,masonry,
concrete,metal,andothermaterials
cangeneratedust,mists,andfumes
containingchemicals,suchassilica,
knowntocauseseriousorfatalinjury
orillness,suchasrespiratorydisease,
silicosis,cancer,birthdefects,orother
reproductiveharm.
◊Controldust,mist,andfumesatthe
sourcewherepossible.Watershould
beusedfordustsuppressionwhen
feasible.
◊Usegoodworkpracticesand
followtherecommendationsofthe
manufacturerorsuppliers,OSHA,
andotheroccupationalandtrade
associations.
◊Whenthehazardsfrominhalation
cannotbeeliminated,theoperator
andanybystandersshouldweara
respiratorapprovedbyOSHAforthe
materialbeinghandled.
WARNING
SilicosisWarning:Grinding,cutting,
ordrillingstone,masonry,concrete,
metal,andothermaterialswithsilica
intheircompositionmaygiveoff
dustormistcontainingcrystalline
silica.Silicaisabasiccomponent
ofsand,quartz,brick,clay,granite,
andnumerousothermineralsand
rocks.Repeatedand/orsubstantial
inhalationofairbornecrystallinesilica
cancausefatalrespiratorydiseases,
includingsilicosis.Inaddition,some
otherauthoritieshavelistedrespirable
crystallinesilicaasasubstance
knowntocausecancer.Whencutting
suchmaterials,followrespiratory
precautions.
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