What is an example of a persistent pesticide?

Hexachlorocyclohexane (lindane) DDT and related compounds DDE and DDD. Cyclodienes (aldrin, heptachlor, and others) Mirex and chlordecone.

What are non persistent pesticides?

Non-persistent pesticides are compounds that break down quickly in the environment.

What are organochlorine pesticides give examples?

Organochlorine pesticides are chlorinated hydrocarbons used extensively from the 1940s through the 1960s in agriculture and mosquito control. Representative compounds in this group include DDT, methoxychlor, dieldrin, chlordane, toxaphene, mirex, kepone, lindane, and benzene hexachloride.

Are organochlorines persistent?

Organochlorines (OC) are a group of chlorinated compounds widely used as pesticides. These chemicals belong to the class of persistent organic pollutants (POPs) with high persistence in the environment.

Is DDT a non persistent pesticide?

Non-persistent pesticides include pyrethroids, organophosphates and insect repellents. DDT, which almost led to the extinction of the bald eagle, is an example of a persistent pesticide no longer used in the U.S.

What are non persistent pollutants?

Nonpersistent Chemicals(Pollutants) Nonpersistent chemicals are those chemicals that linger only for a brief period after their release in the environment. This category of chemicals includes organophosphates such as guthion and malathion. As well, chlorinated hydrocarbons such as endosulfan fall into this category.

What does non-persistent mean?

: not persistent: such as. a : decomposed rapidly by environmental action nonpersistent insecticides. b : capable of being transmitted by a vector for only a relatively short time nonpersistent viruses.

What is persistent and non-persistent?

Non-persistent and persistent are the two types of HTTP connections used to connect the client with the webserver. The non-persistent connection has connection type 1.0 , while the persistent connection has connection type 1.1 .

Is Atrazine an organochlorine pesticide?

Examples of organochlorine pesticides associated with endocrine disruption: organochlorine pesticides DDT and endosulfan, atrazine, vinclozolin and tributyltin (TBT).

Is DDT an organochlorine?

In the United States (US), the organochlorine insecticide dichlorodiphenyltrichloroethane (DDT) was first used during World War II to combat malaria, typhus, and other diseases among military populations. Furthermore, organochlorine chemicals are stored in adipose tissue, including the breast.

Are carbamates persistent?

In general, carbamate insecticides are not very persistent in the soil. However, the fungicide carbendazim is very persistent, with a half-life of about one year.