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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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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 fungicide metrafenone, including its metabolites and degradates, in or on the commodities in the table below. Compliance with the tolerance levels specified in the following table is to be determined by measuring only metrafenone (3-bromo-6-methoxy-2-methylphenyl)(2,3,4-trimethoxy-6-methylphenyl)methanone in or on the following commodities:
| Commodity | Parts per million |
|---|---|
| Apricot | 0.70 |
| Cherry subgroup 12-12A | 2.0 |
| Fruit, pome, group 11-10 | 1.5 |
| Fruit, small, vine climbing, except fuzzy kiwifruit, subgroup 13-07F | 4.5 |
| Grape, raisin | 17 |
| Hop, dried cones | 70 |
| Peach subgroup 12-12B | 0.70 |
| Vegetable, cucurbit, group 9 | 0.50 |
| Vegetable, fruiting, group 8-10 | 0.90 |
| White button mushroom | 0.50 |
(b) Section 18 emergency exemption. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]
[71 FR 54917, Sept. 20, 2006, as amended at 75 FR 75393, Dec. 3, 2010; 79 FR 63053, Oct. 22, 2014; 84 FR 12520, Apr. 2, 2019]