Manganese, dust & - 1 - - - - compounds (as Mn) Manganese, fume (as Mn) Manganese tetroxide 7439-96-5 - 1 - 3 - - Man-Made Vitreous (Silicate) Synthetic mineral fibres (SMF) Fibres (MMVF) Refractory Ceramic - 0.5 f/mL - - - (h) (i) Carc. 1B(o) (j) (l) (respirable) Fibres (RCF),(h) and (o) Special Purpose Glass 2 mg/m3 Fibres(i) (inhalable and dust)(j) High Biopersistence MMVF(l) [Glass wool, rock - 2 mg/m3 - - - (i) (j) Carc. 2(i)(k) (stone) wool, slag wool (inhalable (k) (m) or and continuous glass (n) (o) dust)(j) filament](i)(k) and Low Biopersistence MMVF(m) Mercury, alkyl compounds - 0.01 - 0.03 - Sk (as Hg) Mercury, aryl compounds (as - 0.1 - - - Sk Hg) Mercury, elemental vapour 7439-97-6 0.003 0.025 - - - (as Hg) Mercury, inorganic divalent 0.003 0.025 - - - - compounds (as Hg) Mercury, inorganic - 0.1 - - - Sk monovalent compounds (as Hg) Mesityl oxide 141-79-7 15 60 25 100 - - 4-Methylpent-3-en-2-one Methacrylic acid 79-41-4 20 70 - - - -
Manganese, dust & compounds (as Mn) - 1 - - - - Manganese, fume (as Mn) Manganese tetroxide 7439-96-5 - 1 - 3 - - Man-Made Vitreous (Silicate) Fibres (MMVF) Synthetic mineral fibres (SMF) Refractory Ceramic Fibres (RCF),(h) Special Purpose Glass Fibres(i) and High Biopersistence MMVF(l) - 0.5 f/mL (respirable) and 2 mg/m3 (inhalable dust)(j) - - Carc. 1B(o) - (h) (i) (j) (l) (o) [Glass wool, rock (stone) wool, slag wool and continuous glass filament](i)(k) and Low Biopersistence MMVF(m) - 2 mg/m3 (inhalable dust)(j) - - Carc. 2(i)(k) or - (i) (j) (k) (m) (n) (o) Mercury, alkyl compounds (as Hg) - 0.01 - 0.03 - Sk Mercury, aryl compounds (as Hg) - 0.1 - - - Sk Mercury, elemental vapour (as Hg) 7439-97-6 0.003 0.025 - - - Mercury, inorganic divalent compounds (as Hg) 0.003 0.025 - - - - Mercury, inorganic monovalent compounds (as Hg) - 0.1 - - - Sk Mesityl oxide 4-Methylpent-3-en-2-one 141-79-7 15 60 25 100 - - Methacrylic acid 79-41-4 20 70 - - - -
workplace-exposure-standards-airborne-contaminants-v2.docx