Imprelis is a selective herbicide created by

DuPont Dupont, DuPont, Du Pont, duPont, or du Pont may refer to: People * Dupont (surname) Dupont, also spelled as DuPont, duPont, Du Pont, or du Pont is a French surname meaning "of the bridge", historically indicating that the holder of the surname re ...

. The active ingredient is aminocyclopyrachlor, a synthetic

auxin Auxins (plural of auxin ) are a class of plant hormones (or plant-growth regulators) with some morphogen-like characteristics. Auxins play a cardinal role in coordination of many growth and behavioral processes in plant life cycles and are essent ...

Description

Imprelis is a selective herbicide created by

. The active ingredient is aminocyclopyrachlor, a synthetic

. Imprelis was registered with the

United States Environmental Protection Agency The Environmental Protection Agency (EPA) is an independent agency of the United States government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it began operation on De ...

for sale in October 2010. Sale of Imprelis was voluntarily suspended a week before the EPA required sales stopped. DuPont acknowledged it was killing or damaging evergreen trees, including white pine and

Norway spruce ''Picea abies'', the Norway spruce or European spruce, is a species of spruce native to Northern, Central and Eastern Europe. It has branchlets that typically hang downwards, and the largest cones of any spruce, 9–17 cm long. It is very clo ...

. DuPont allegedly knew Imprelis would damage evergreens before seeking EPA approval. DuPont offered to compensate customers whose trees were affected. They asked that a claim be submitted, and said that they would send a claim resolution agreement, which would specify the amount DuPont would pay to settle the claim. By late May 2012, the end of the planting season, many tree owners had not heard from DuPont. Other tree owners who accepted payment agreements with DuPont had not been paid. Several hundred tree owners have filed lawsuits with DuPont. , they are seeking

class action A class action is a form of lawsuit. Class Action may also refer to: * ''Class Action'' (film), 1991, starring Gene Hackman and Mary Elizabeth Mastrantonio * Class Action (band), a garage house band * "Class Action" (''Teenage Robot''), a 2002 e ...

status.

References

{{Reflist

External links

DuPont Imprelis site

Herbicides Toxicology Soil contamination Lawn care