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§ 180.523 Metaldehyde; tolerances for residues.
(a) General. Tolerances are established for residues of the molluscicide metaldehyde, including its metabolites and degradates, in or on the commodities listed in the following table. Compliance with the specified tolerance levels is to be determined by measuring only metaldehyde, 2,4,6,8-tetramethyl-1,3,5,7-tetroxocane, in or on the commodity.
| Commodity | Parts per million |
|---|---|
| Artichoke, globe | 0.07 |
| Berry, low growing, subgroup 13-07G | 6.25 |
| Bushberry subgroup 13-07B | 0.15 |
| Cactus | 0.07 |
| Caneberry subgroup 13-07A | 0.15 |
| Corn, field, forage | 0.30 |
| Corn, field, grain | 0.05 |
| Corn, field, stover | 0.10 |
| Corn, sweet, forage | 0.30 |
| Corn, sweet, kernel plus cob with husks removed | 0.05 |
| Corn, sweet, stover | 0.10 |
| Fruit, citrus, group 10-10 | 0.26 |
| Ginseng | 0.05 |
| Grass, forage | 2.0 |
| Grass, hay | 2.0 |
| Leaf petioles subgroup 4B | 0.50 |
| Lettuce | 1.73 |
| Pea and bean, succulent shelled, subgroup 6B | 0.20 |
| Peppermint, oil | 12 |
| Peppermint, tops | 4.0 |
| Spearmint, oil | 12 |
| Spearmint, tops | 4.0 |
| Taro, corm | 0.15 |
| Taro, leaves | 1.0 |
| Tomato subgroup 8-10A | 0.24 |
| Vegetable, brassica, leafy, group 5 | 2.5 |
| Vegetable, foliage of legume, except soybean, subgroup 7A | 1.5 |
| Vegetable, legume, edible podded subgroup 6A | 0.80 |
| Watercress | 3.2 |