GroundRules
40 CFR 174.526: Hygromycin B phosphotransferase (APH4) marker protein in all plants; exemption from the requirement of a tolerance.
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER E—PESTICIDE PROGRAMS
- PART 174—PROCEDURES AND REQUIREMENTS FOR PLANT-INCORPORATED PROTECTANTS
- Subpart W—Tolerances and Tolerance Exemptions
Residues of the Hygromycin B phosphotransferase (APH4) enzyme in all plants are exempt from the requirement of a tolerance when used as a plant-incorporated protectant inert ingredient in cotton.
Collected 2026-08-27T02:26:04Z. Source file · JSON