National Toxicology Program

National Toxicology Program

Nomination Summary for Pesticides (N20026)


Specific Substances: Chlordane (technical grade), Chlorpyrifos (Dursban), Diazinon

Nomination Date: 11/15/1999

Nominator: Private Individual

Rationale: Chlordane, Dursban & Diazinon were renominated for study based on their wide spread use and misapplication. Chlordane, although banned, persists in the environment and in homes that were sprayed with it. More recent applications of Dursban and Diazinon in these same homes has created a complex mixture of poisons. New information regarding the action of endocrine disruptors make this group of poisons appropriate chemicals for study.

NTP Principles: not specified

Status: In Review/Pending

Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

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CASRN: 12789-03-6

Agent Name: Chlordane (technical grade)

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CASRN: 2921-88-2

Agent Name: Chlorpyrifos (Dursban)

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CASRN: 333-41-5

Agent Name: Diazinon

NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.