§556.344. Ivermectin.

21 C.F.R. § 556.344

(a)

Acceptable daily intake (ADI). The ADI for total residue of ivermectin is 5 µg/kg of body weight per day.

(b)

Tolerances. The tolerances for 22,23-dihydroavermectin B1a (marker residue) are:

(1)

American bison. Liver (target tissue): 15 ppb.

(2)

Cattle.

(i)

Liver (target tissue)— 1.6 ppm.

(ii)

Muscle— 650 ppb.

(3)

Reindeer. Liver (target tissue): 15 ppb.

(4)

Sheep. Liver (target tissue): 30 ppb.

(5)

Swine.

(i)

Liver (target tissue)— 20 ppb.

(ii)

Muscle— 20 ppb.

(c)

Related conditions of use. See §§ 520.1192, 520.1195, 520.1197, 522.1192, 522.1193, 524.1193, and 558.300 of this chapter.

Notes, amendments, and revision history

[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020]

Authority: 21 U.S.C. 342, 360b, 371.

Source: 84 FR 32993, July 11, 2019, unless otherwise noted.

[84 FR 32993, July 11, 2019, as amended at 85 FR 18121, Apr. 1, 2020]