EPA List 4 Inerts | Agricultural Marketing Service

Scope

Livestock

Status

In Process

NOSB Review Documents

1999 NOSB review for addition to §205.603 for use as pesticidal inert ingredients
February 1999 NOSB Recommendation (pdf) (page 413)
2010 NOSB review to address obsolete EPA List 4 Inerts
April 2010 NOSB Recommendation (pdf)
September 2010 NOP Guidance NOP-5008: Reassessed Inert Ingredients (pdf)
February 2011 NOP Notice 11-6: Petitions for Inert Ingredients under the National Organic Program (pdf)
2015 NOSB review to change §205.603 annotation
October 2015 NOSB Recommendation (pdf) (crops and livestock)
2020 NOSB review to remove from §205.603
October 2020 NOSB Resolution (pdf)
June 2023 NOP Memorandum (pdf) to the NOSB requesting a review of inert ingredients in pesticide products
May 2024 NOSB Subcommittee Discussion Document (pdf) (inert ingredients in pesticide products) (materials)
October 2024 NOSB Subcommittee Proposal (pdf) (inert ingredients in pesticide products) (materials)
October 2024 NOSB Recommendation (pdf) (inert ingredients in pesticide products) (materials)

Rulemaking

Added to the National List, §205.603(f), effective April 21, 2001 (65 FR 80548, 66 FR 15619)
Moved to §205.603(e), effective December 13, 2007 (72 FR 70479)
Advance Notice of Proposed Rulemaking published September 02, 2022 (87 FR 54173, 87 FR 61268)

Related Terms

Inert ingredients; Nonylphenol ethoxylates (NPEs): p-Nonylphenol, ethoxylated; Polyoxyethylene (1,1,3,3-tetramethylbutyl)- phenol ether; Polyoxyethylene dodecylphenol; Polyoxyethylene nonylphenol; Terpene polymers: Pinene polymers; Terpene hydrocarbons; Terpine.

Date Updated

02/10/2025