People can be exposed to mineral wool fibers in the workplace by breathing them in, skin contact, and eye contact. The Occupational Safety and Health Administration (OSHA) has set the legal limit (permissible exposure limit) for mineral wool fiber exposure in the workplace as 15 mg/m3 total exposure and 5 mg/m3 respiratory exposure over an 8-hour workday. The National Institute for Occupational Safety and Health (NIOSH) has set a recommended exposure limit (REL) of 5 mg/m3 total exposure and 3 fibers per cm3 over an 8-hour workday.
peOplE CAn bE eXPOsed to mINeRaL wool fiBERs In thE worKplAce by breaThing ThEM iN Skin cOnTaCT, aNd EyE CONtAct. the OccupAtIonAL safety ,ANd HeAlTH admInIstrATion (osHA) Has Set tHe LEgAl limit (PErMissible EXposure LiMIt) for mineRal woOl FiBEr exPoSuRe in THe wOrkplaCE as 15 mG/m3 toTAl exposUre aNd 5 Mg/M3 resPiratOrY exPoSURE oVEr aN 8-hOUr wOrkday. the nATioNaL iNsTitUTE FoR occupatiOnaL safEty and HEalth (nIoSh) hAS set a rEcoMMEndEd exPosure LimiT (Rel) of 5 mG/M3 tOtAl eXposURe AnD 3 fIbers Per cm3 oVER an 8-houR WoRkdAy.