Glossary
Carcinogenicity: Ability to cause cancer.
Milligram (mg): One thousandth of a gram.
PPT: Parts per trillion.
PPB: Parts per billion.
References
Agency for Toxic
Substances and Disease Registry (ATSDR). 1993. Toxicological profile for heptachlor
and heptachlor epoxide. Atlanta: U.S. Department of Health and Human Services,
Public Health Service.