1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter E - PESTICIDE PROGRAMS
  5. Part 174 - PROCEDURES AND REQUIREMENTS FOR PLANT-INCORPORATED PROTECTANTS
  6. Subpart W - Tolerances and Tolerance Exemptions
  7. 40 CFR § 174.526
40 CFR § 174.526
Hygromycin B phosphotransferase (APH4) marker protein in all plants; exemption from the requirement of a tolerance
June 9, 2020
CFR

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.

[72 FR 20435, Apr. 25, 2007]

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§ 174.525 E. coli B-D-glucuronidase enzyme as a plant-incorporated protectant inert ingredient; exemption from the requirement of a tolerance
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§ 174.527 Phosphomannose isomerase in all plants; exemption from the requirement of a tolerance

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