40 CFR § 180.1375
Methyl mercaptan; exemption from the requirement of a tolerance
June 9, 2020
Residues of methyl mercaptan are exempt from the requirement of a tolerance in or on all food commodities, when methyl mercaptan is used as a gopher repellent in irrigation lines in accordance with label directions and good agricultural practices.
[85 FR 29633, May 18, 2020]