§ 180.523 - Metaldehyde; tolerances for residues.  


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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

    (b) Section 18 emergency exemptions. [Reserved]

    (c) Tolerances with regional registrations. Tolerances with a regional registration as defined in § 180.1(l) are established for residues of the molluscicide metaldehyde, including its metabolites and degradates, in or on the following commodities. Compliance with the specified tolerance level 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
    Beet, garden, leaves 0.08
    Beet, garden, roots 0.05
    Clover, forage 0.60
    Clover, hay 0.60
    Hop, dried cones 0.10
    Rutabaga, roots 0.05
    Soybean, seed 0.05
    Turnip greens 0.08
    Turnip, roots 0.05
    Wheat, forage 0.05
    Wheat, grain 0.05
    Wheat, hay 0.05
    Wheat, straw 0.05

    (d) Indirect or inadvertent residues. [Reserved]

    [73 FR 54963, Sept. 24, 2008, as amended at 78 FR 70869, Nov. 27, 2013; 80 FR 11588, Mar. 4, 2015; 81 FR 71638, Oct. 18, 2016]