Page 58 - PPE GUIDELINE

Guidelines on the Use of PPE Against Chemical Hazards
Phenyl ether (vapor) 100 ppm
Phenyl etherbiphenyl mixture (vapor) 10 ppm
Phenyl glycidyl ether 100 ppm

Phenylhydrazine 15 ppm
Phosdrin 4 ppm
Phosgene 2 ppm

Phosphine 50 ppm
3
Phosphoric acid 1,000 mg/m
3
Phosphorus (yellow) 5 mg/m
3
Phosphorus pentachloride 70 mg/m
3
Phosphorus pentasulfide 250 mg/m
Phosphorus trichloride 25 ppm
3
Phthalic anhydride 60 mg/m
3
Picric acid 75 mg/m
3
Pindone 100 mg/m
3
Platinum (soluble salts, as Pt) 4 mg Pt/m
3
Portland cement 5,000 mg/m
Propane 2,100 ppm [LEL]
n-Propyl acetate 1,700 ppm
n-Propyl alcohol 800 ppm

Propylene dichloride 400 ppm
Propylene imine 100 ppm
Propylene oxide 400 ppm
n-Propyl nitrate 500 ppm
3
Pyrethrum 5,000 mg/m
Pyridine 1,000 ppm
3
Quinone 100 mg/m
Rhodium (metal fume and insoluble compounds, as 100 mg Rh/m
3
Rh)
3
Rhodium (soluble compounds, as Rh) 2 mg Rh/m
3
Ronnel 300 mg/m
3
Rotenone 2,500 mg/m
3
Selenium compounds (as Se) 1 mg Se/m
Selenium hexafluoride 2 ppm
3
Silica, amorphous 3,000 mg/m
Silica, crystalline (respirable dust)
3
cristobalite/tridymite: 25 mg/m

Department of Occupational Safety & Health, Ministry of Human Resources, Malaysia ™October 2005 58