1
Published 2011
National Academies Press

2
Published 1977
National Academy of Sciences

3
Published 2010
National Academies Press

4
Published 2009
The National Academies Press

5
Published 1986
National Academy Press

6
Published 2018
World Health Organization

8
Published 2022
U.S. Department of Health and Human Services, Agency for Toxic Substances and Disease Registry

9
Published 2019
U.S. Department of Health and Human Services, Agency for Toxic Substances and Disease Registry