Fig. 3.
Exposure levels of exposure indexes for waterproofing work and painting work (horizontal broken line represents exposure limit for exposure index). GM, geometric mean.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.