Regulations last checked for updates: Feb 13, 2026

Title 7 - Agriculture last revised: Jul 29, 2026
§ 201.58c - Detection of captan, mercury, or thiram on seed.

The bioassay method may be used according to the procedure given in Association of Official Seed Analysts, Handbook No. 26, “Microbiological Assay of Fungicide-treated Seeds”, May 1964.

[38 FR 12733, May 15, 1973]
authority: 7 U.S.C. 1592.
cite as: 7 CFR 201.58c