40 CFR § 180.1089
Poly-N-acetyl-D-glucosamine; exemption from the requirement of tolerance
June 9, 2020
An exemption from the requirement of a tolerance is established for residues of the biochemical nematicide poly-N-acetyl-D-glucosamine on a variety of agricultural crops.
[53 FR 10249, Mar. 30, 1988]