7 CFR § 201.58c - Detection of captan, mercury, or thiram on seed.
---
identifier: "/us/cfr/t7/s201.58c"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "7 CFR § 201.58c - Detection of captan, mercury, or thiram on seed."
title_number: 7
title_name: "Agriculture"
section_number: "201.58c"
section_name: "Detection of captan, mercury, or thiram on seed."
chapter_name: "AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE"
subchapter_number: "K"
subchapter_name: "FEDERAL SEED ACT"
part_number: "201"
part_name: "FEDERAL SEED ACT REQUIREMENTS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "7 U.S.C. 1592."
cfr_part: "201"
---
# 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]