(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]