Section 180.624 - Metrafenone; tolerances for residues(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