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21 U.S.C. 321(q), 346a and 371.
36 FR 22540, Nov. 25, 1971, unless otherwise noted.
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Subscribe to: 40 CFR 180.331
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Nomenclature changes to part 180 appear at 62 FR 66023, Dec. 17, 1997.
Nomenclature changes to subpart C of part 180 appear at 67 FR 41803, June 19, 2002; 67 FR 42393, June 21, 2002; 68 FR 39430, July 1, 2003; 71 FR 74804, Dec. 13, 2006; 72 FR 53137, Sept. 18, 2007; 72 FR 61536, Oct. 31, 2007; 73 FR 60155, Oct. 10, 2008; 75 FR 56014, Sept. 15, 2010; and 76 FR 34885, June 15, 2011.
(a) General. Tolerances are established for residues of the herbicide 4-(2,4-dichlorophenoxy) butyric acid (2,4-DB), both free and conjugated, determined as the acid, in or on food commodities, as follows:
| Commodity | Parts per million |
|---|---|
| Alfalfa, forage | 0.7 |
| Alfalfa, hay | 2.0 |
| Cattle, meat byproducts | 0.05 |
| Clover, forage | 0.2 |
| Clover, hay | 0.2 |
| Goat, meat byproducts | 0.05 |
| Hog, meat byproducts | 0.05 |
| Horse, meat byproducts | 0.05 |
| Peanut | 0.2 |
| Peppermint, tops | 0.2 |
| Sheep, meat byproducts | 0.05 |
| Soybean, forage | 0.7 |
| Soybean, hay | 2.0 |
| Soybean, seed | 0.5 |
| Spearmint, tops | 0.2 |
| Trefoil, forage | 0.7 |
| Trefoil, hay | 2.0 |
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]
[73 FR 54961, Sept. 24, 2008, as amended at 74 FR 46374, Sept. 9, 2009]