Operator's Manual

–Crystallinesilicaandotherdust
Ifyouwillbedrillingthroughorcuttingconcrete,
sand,orothersubstancesthatcreatedustsorfumes,
youneedtoensurethatyouandallworkerswear
breathingprotectiontoprotectyourlungsfromthe
dust.
WARNING
Machiningorhandlingstone,masonry,
concrete,metal,andothermaterialscan
generatedust,mists,andfumescontaining
chemicals,suchassilica,knowntocause
seriousorfatalinjuryorillness,suchas
respiratorydisease,silicosis,cancer,birth
defects,orotherreproductiveharm.
◊Controldust,mist,andfumesatthe
sourcewherepossible.Watershouldbe
usedfordustsuppressionwhenfeasible.
◊Usegoodworkpracticesandfollowthe
recommendationsofthemanufactureror
suppliers,OSHA,andotheroccupational
andtradeassociations.
◊Whenthehazardsfrominhalationcannot
beeliminated,theoperatorandany
bystandersshouldweararespirator
approvedbyOSHAforthematerialbeing
handled.
WARNING
Silicosis W ar ning: Grinding,cutting,or
drillingstone,masonry,concrete,metal,
andothermaterialswithsilicaintheir
compositionmaygiveoffdustormist
containingcrystallinesilica.Silicaisa
basiccomponentofsand,quartz,brick,
clay,granite,andnumerousotherminerals
androcks.Repeatedand/orsubstantial
inhalationofairbornecrystallinesilicacan
causefatalrespiratorydiseases,including
silicosis.Inaddition,someotherauthorities
havelistedrespirablecrystallinesilicaasa
substanceknowntocausecancer.When
cuttingsuchmaterials,followrespiratory
precautions.
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