Various publications, communications, press releases and official documents are listed below to help those seeking additional information about Imprelis and the injury caused to landscape trees and ornamentals.


2013 Imprelis® Update: Tree Maintenance, Replacement, and Disposal (PDF) (08/13)
Imprelis Update: 2012 Field Notes on Injury and Recovery (PDF) (06/12)
A Turf Professionals Guide to Imprelis Herbicide Injury in the Landscape (PDF) (last updated 11/11)
A Homeowner’s Guide to Suspected Imprelis® Herbicide Injury in the Landscape (PDF) (last updated 09/11)

Turf Tips

Imprelis Herbicide Injury: 2011 PPDL ‘Host’ List (January 25, 2012)
Imprelis Return and Refund Program (November 8, 2011)
Grass Clippings and Herbicides (October 12, 2011)
Imprelis Update: DuPont Begins Claims Resolution Process (September 7, 2011)
Imprelis® Update: Stop Sale, Use, or Removal Order. Q&A (August 11, 2011)
DuPont launches Website (July 28, 2011)
Imprelis Update and Information (July 25, 2011)
Herbicide damage on Spruce and Pine - Update (July 5, 2011)
Herbicide damage on Spruce and Pine (June 17, 2011)

Plant & Pest Diagnostic Laboratory (PPDL) updates

Imprelis Herbicide Injury: 2011 PPDL Host List (January 16, 2012)
PPDL Annual Report 2011 (PDF)
Growth Regulator-Type Herbicide Symptoms on Spruce and Pine (August 1, 2011)

Purdue new articles on Imprelis

Imprelis herbicide banned from sale, use in Indiana (Sept. 19, 2011)
Avoid use of herbicide Imprelis, Purdue experts advise (July 11, 2011)

Office of the Indiana State Chemist Imprelis documents

Landscape Species Confirmed for Imprelis Injury (PDF) (08-06-2012)
OISC Environmental Fate of Imprelis Herbicide Residues
(PDF) (June 6, 2012)
Historical information and documents regarding Imprelis Herbicide

EPA documents

Letter to DuPont on Stop Sale, Use, or Removal Order (PDF) (August 11, 2011)
Case Letters: E.I. DuPont de Nemours and Company (PDF) (August 3, 2011)
Letter to DuPont requesting information about incidents (PDF) (July 18, 2011)
Registration docket for aminocyclopyrachlor (2010)

DuPont Imprelis documents

DuPont Web page on Imprelis





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