Page 57 - PPE GUIDELINE
P. 57
Guidelines on the Use of PPE Against Chemical Hazards
Naphtha (coal tar) 1,000 ppm [LEL]
Naphthalene 250 ppm
Nickel carbonyl (as Ni) 2 ppm
3
Nickel metal and other compounds (as Ni) 10 mg Ni/m
3
Nicotine 5 mg/m
Nitric acid 25 ppm
Nitric oxide 100 ppm
3
p-Nitroaniline 300 mg/m
Nitrobenzene 200 ppm
3
p-Nitrochlorobenzene 100 mg/m
Nitroethane 1,000 ppm
Nitrogen dioxide 20 ppm
Nitrogen trifluoride 1,000 ppm
3
Nitroglycerine 75 mg/m
Nitromethane 750 ppm
1-Nitropropane 1,000 ppm
2-Nitropropane 100 ppm
Nitrotoluene (o, m, p isomers) 200 ppm
Octachloronaphthalene Unknown
Octane 1,000 ppm [LEL]
3
Oil mist (mineral) 2,500 mg/m
3
Osmium tetroxide (as Os) 1 mg Os/m
3
Oxalic acid 500 mg/m
Oxygen difluoride 0.5 ppm
Ozone 5 ppm
3
Paraquat 1 mg/m
3
Parathion 10 mg/m
Pentaborane 1 ppm
Pentachloronaphthalene Unknown
3
Pentachlorophenol 2.5 mg/m
n-Pentane 1,500 ppm [LEL]
2-Pentanone 1,500 ppm
Perchloromethyl mercaptan 10 ppm
Perchloryl fluoride 100 ppm
Petroleum distillates (naphtha) 1,100 ppm [LEL]
Phenol 250 ppm
3
p-Phenylene diamine 25 mg/m
Department of Occupational Safety & Health, Ministry of Human Resources, Malaysia October 2005 57
