21 CFR § 529.382 - Chloramine-T.
---
identifier: "/us/cfr/t21/s529.382"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 529.382 - Chloramine-T."
title_number: 21
title_name: "Food and Drugs"
section_number: "529.382"
section_name: "Chloramine-T."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "E"
subchapter_name: "ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS"
part_number: "529"
part_name: "CERTAIN OTHER DOSAGE FORM NEW ANIMAL DRUGS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 360b."
regulatory_source: "40 FR 13881, Mar. 27, 1975, unless otherwise noted."
cfr_part: "529"
---
# 529.382 Chloramine-T.
(a) *Specifications.* Chloramine-T trihydrate powder for solution.
(b) *Sponsor.* See No. 086009 in § 510.600(c) of this chapter.
(c) *Related tolerances.* See § 556.118 of this chapter.
(d) *Conditions of use*—(1) *Freshwater-reared salmonids*—(i) *Amount.* 12 to 20 milligrams per liter (mg/L) water in a continuous flow water supply or as a static bath once per day for 60 minutes on consecutive or alternative days for three treatments.
(ii) *Indications for use.* For the control of mortality in freshwater-reared salmonids due to bacterial gill disease associated with *Flavobacterium* spp.
(2) *Walleye*—(i) *Amount.* 10 to 20 mg/L water in a continuous flow water supply or as a static bath once per day for 60 minutes on consecutive or alternative days for three treatments.
(ii) *Indications for use.* For the control of mortality in walleye due to external columnaris disease associated with *Flavobacterium columnare.*
(3) *Freshwater-reared warmwater finfish*—(i) *Amount.* 20 mg/L water in a continuous flow water supply or as a static bath once per day for 60 minutes on consecutive or alternative days for three treatments.
(ii) *Indications for use.* For the control of mortality in freshwater-reared warmwater finfish due to external columnaris disease associated with *F. columnare.*
[79 FR 37621, July 2, 2014]