NA, not available. References:

" U.S. EPA, Integrated Risk Information System, www.epa.gov/iris/subst/index.html.

'Präger, Jan C., 1995. Environmental Contaminant Reference Data Book, Vols. 1 and 2, Van Nostrand Reinhold, A Division of International Thomas Publishing, New York.

APPENDIX D Standards for Exposure to Common Toxic Pollutants

Chemical Name


Empirical Formula6

Maximum Contaminant Level (mg/L)

OSHA 8-h Standard (mg/m3)

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