The corrosion inhibitor of choice in the Air Force is hexavalent chromium (CrVI). CrVI is present in aircraft coating pretreatments as chromic acid and in primers as metallic chromates. Worker exposures to chromate compounds can occur during application of the pretreatment and primer. In addition, depainting (removal of old organic coatings) and mechanical sanding of existing coating systems can release particulates that contain chromates from ...
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