Nomination Summary for Reevaluation of early NTP studies (N91002)

Nominated Substances: Aldrin, Carbon tetrachloride, Chlordane (analytical grade), Chlordane (technical grade), Chloroform, Dichlorodiphenyltrichloroethane (DDT), Dieldrin

Nomination Date: 03/11/1991

Nominator: Private Individual

Rationale: A number of early NTP studies showed carcinogenic responses in livers of mice, but not in rats. Better designed studies are warranted.

NTP Principles: not specified

Status: Withdrawn


Agents and Status

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


CASRN: 309-00-2

Agent Name: Aldrin


CASRN: 56-23-5

Agent Name: Carbon tetrachloride


CASRN: 57-74-9

Agent Name: Chlordane (analytical grade)


CASRN: 12789-03-6

Agent Name: Chlordane (technical grade)


CASRN: 67-66-3

Agent Name: Chloroform


CASRN: 50-29-3

Agent Name: Dichlorodiphenyltrichloroethane (DDT)


CASRN: 60-57-1

Agent Name: Dieldrin