Certifications 2

Occupational exposure limits of decomposition products
Components
CAS-No.
Value type
(Form of
exposure)
Control parameters
/ Permissible
concentration
Basis
Methanol
67-56-1
STEL
250 ppm
KR OEL
Further information: Substances designated by 'Skin' may be absorbed into the
bloodstream through the skin, mucous membrane and eye and contribute to the
overall effect. (Skin notation does not apply to the skin irritant)
TWA
200 ppm
KR OEL
Further information: Substances designated by 'Skin' may be absorbed into the
bloodstream through the skin, mucous membrane and eye and contribute to the
overall effect. (Skin notation does not apply to the skin irritant)
TWA
200 ppm
ACGIH
STEL
250 ppm
ACGIH
Engineering measures Processing may form hazardous compounds (see section 10).
Ensure adequate ventilation, especially in confined areas. Minimize workplace
exposure concentrations.
Personal protective equipment. Among the following personal protective equipment, the
PPEs which require safety certification need to be certified by KOSHA.
Respiratory protection : Use respiratory protection (gas mask) unless adequate local
exhaust ventilation is provided or exposure assessment demonstrates
that exposures are within recommended exposure guidelines.
Filter type: Combined particulates, organic gas and low boiling vapour
Type
Hand Protection
Remarks : Wash hands before breaks and at the end of the workday.
Eye protection : Wear the following personal protective equipment: Safety glasses
Skin and body protection : Skin should be washed after contact.
Hygiene measures : Ensure that eye flushing systems and safety showers are located close to
the working place. When using do not eat, drink or smoke. Wash
contaminated clothing before re-use. The precautions are for room
temperature handling. Use at elevated temperature or aerosol/spray
applications may require added precautions.