Overview
Chromium (CAS 7440-47-3) is a steel-grey metal that exists in a number of oxidation states, including
- the free metal
- trivalent chromium compounds (Cr[III]), and
- hexavalent chromium compounds (Cr[VI]).
Examples of work activities involving chromium compounds that may require special attention include:
- welding, cutting and hard-facing of stainless steel
- manual metal arc welding of high chromium steels
- chrome plating
- refractory production
- addition of cement to gravel and sand to make concrete
- leather tanning
- timber preservation using, for example, copper chrome arsenic
- chromate use in the textile industry
- chrome pigment use, for example in paints
This guide provides information for those registered medical practitioners engaged by a PCBU to carry out or supervise health monitoring for workers. This guidance should be read in conjunction with the following:
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