(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.

CommodityParts per million
Artichoke, globe0.07
Berry, low growing, subgroup 13-07G6.25
Bushberry subgroup 13-07B0.15
Cactus0.07
Caneberry subgroup 13-07A0.15
Corn, field, forage0.30
Corn, field, grain0.05
Corn, field, stover0.10
Corn, sweet, forage0.30
Corn, sweet, kernel plus cob with husks removed0.05
Corn, sweet, stover0.10
Fruit, citrus, group 10-100.26
Ginseng0.05
Grass, forage2.0
Grass, hay2.0
Leaf petioles subgroup 4B0.50
Lettuce1.73
Pea and bean, succulent shelled, subgroup 6B0.20
Peppermint, oil12
Peppermint, tops4.0
Spearmint, oil12
Spearmint, tops4.0
Taro, corm0.15
Taro, leaves1.0
Tomato subgroup 8-10A0.24
Vegetable, brassica, leafy, group 52.5
Vegetable, foliage of legume, except soybean, subgroup 7A1.5
Vegetable, legume, edible podded subgroup 6A0.80
Watercress3.2

(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.

CommodityParts per million
Beet, garden, leaves0.08
Beet, garden, roots0.05
Clover, forage0.60
Clover, hay0.60
Hop, dried cones0.10
Rutabaga, roots0.05
Soybean, seed0.05
Turnip greens0.08
Turnip, roots0.05
Wheat, forage0.05
Wheat, grain0.05
Wheat, hay0.05
Wheat, straw0.05

(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]