from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white or tan powder, C10H5Cl7, formerly used as a pesticide, that is highly toxic to humans and is a suspected carcinogen.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An organochlorine compound formerly used as an insecticide.
To start with, the Stockholm Convention identified twelve top-priority POPs: eight pesticides (aldrin, chlordane, DDT, dieldrin, endrin, heptachlor, mirex, and toxaphene); two industrial chemicals (the hexachlorobenzenes (HCBs) and the polychlorinated biphenyls PCBs); and two groups of industrial by-products (dioxins and furans).
The pesticide heptachlor affects steroid hormone secretion in isolated follicular and luteal cells of rat [An article from: Comparative Biochemistry and Physiology, Part C] by J.A. Oduma
Dichlorodiphenyl-dichloroethene polychlorinated biphenyls dieldrin chlordane heptachlor polychlorinated dibenzodioxins.
The samples contained DDT and two break-down chemicals from that pesticide, plus the chemicals endrin, lindane, heptachlor, chlordane, toxaphene, aldrin and dieldrin.
Australia has already stopped producing and using most of the chemicals included in the agreement (aldrin, DDT, dieldrin, endrin, chlordane, HCB, heptachlor, toxaphene and PCBs).
Action doses insecticides (heptachlor fenchlorphos) metabolic indices chickens