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(a) N–(n-octyl)–2–pyrrolidone and N–(n-dodecyl)–2–pyrrolidone are exempt from the requirement of a tolerance when used as solvents in cotton defoliant formulations containing thidiazuron and diuron as active ingredients.
(b) N–(n-octyl)–2–pyrrolidone is exempt from the requirement of a tolerance when used as a solvent in formulations containing pyraflufen-ethyl as an active ingredient at a concentration not to exceed 20% by weight.
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.180.1130 N–(n-octyl)–2–pyrrolidone and N–(n-dodecyl)–2–pyrrolidone; exemptions from the requirement of a tolerance - last updated October 03, 2022 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-180-1130/
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