heptachlor उदाहरण वाक्य
उदाहरण वाक्य
- Endosulfan is a derivative of hexachlorocyclopentadiene, and is chemically similar to aldrin, chlordane, and heptachlor.
- Animals exposed to Heptachlor epoxide during gestation and infancy are found to have changes in nervous system and immune function.
- The US EPA has limited the sale of heptachlor products to the specific application of fire ant control in underground transformers.
- Some of these pollutants are DDT, aldrin, chlordane, dieldrin, endrin, heptachlor, hexochlorobenzene, and toxaphene.
- In 1962, Rachel Carson's " Silent Spring " questioned the safety of heptachlor and other chlorinated insecticides.
- The presence of DDT and heptachlor residues indicates that the contraband highly toxic pesticides are still being used indiscriminately, the study said.
- Five others _ the pesticides chlordane, dieldrin, heptachlor and mirex and the industrial byproduct hexachlorobenzene _ were chosen for elimination with limited exemptions.
- The popularity of these insecticides increased after many of the organochlorine insecticides such as DDT, dieldrin, and heptachlor were banned in the 1970s.
- Some pesticides, including aldrin, chlordane, DDT, dieldrin, endrin, heptachlor, hexachlorobenzene, mirex and toxaphene, are considered POPs.
- One of the samples contained heptachlor residue of 0.789 microgram per litre while DDT in another sample measured 1.527 microgram per litre.