Hazardous Chemical Information System (HCIS)



Exposure Standard Documentation

Zinc oxide (dust)

SUBSTANCE NAME: Zinc oxide (dust)

CAS Number: 1314-13-2

Exposure Standard:

TWA: - ppm 10 mg/m3

STEL: - ppm - mg/m3 This value is for inspirable dust containing no asbestos and less than 1% crystalline silica. See chapter 14 of the Guidance Note on the Interpretation of Exposure Standards for Atmospheric Contaminants in the Occupational Environment [NOHSC:3008(1995)]

Documentation notice. American Conference of Governmental Industrial Hygienists (ACGIH), Documentation of Threshold Limit Values and Biological Exposure Indices, 6th Edition, ACGIH, Cincinatti, Ohio, 1991

No standard should be applied without reference to Guidance on the interpretation of Workplace exposure standards for airborne contaminants.

Footnotes:

Documentation notice

Documentation for the majority of substances can be found in the American Conference of Governmental Industrial Hygienists' (ACGIH) documentation of the threshold limit values and biological exposure indices - users should refer to the ACGIH documentation cited.