An official website of the United States government
Here's how you know
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.
Various dose-response models for TiO2 –
Lung dose and airborne exposure concentration estimates are associated with
1/1000 excess risk of lung cancer after a 45-year working lifetime (Table
4–6 from NIOSH, 2011).