(a) General.
(1) Tolerances are established for the fungicide chlorothalonil (tetrachloroisophthalonitrile) and its metabolite 4-hydroxy-2,5,6-trichloroisophthalonitrile in or on the following food commodities.
| Commodity | Parts per million |
|---|---|
| Almond | 0.05 |
| Almond, hulls | 1.0 |
| Apricot | 0.5 |
| Asparagus | 0.1 |
| Banana (NMT 0.05 ppm in edible pulp) | 0.5 |
| Bean, dry, seed | 0.1 |
| Bean, snap, succulent | 5 |
| Blueberry | 1.0 |
| Brassica, head and stem, subgroup 5A | 5.0 |
| Carrot, roots | 1 |
| Celery | 15 |
| Cherry, sweet | 0.5 |
| Cherry, tart | 0.5 |
| Cocoa bean, dried bean | 0.05 |
| Coffee, bean, green | 0.20 |
| Corn, sweet, kernel plus cob with husks removed | 1 |
| Cranberry | 5.0 |
| Ginseng | 4.0 |
| Horseradish | 4.0 |
| Lentil | 0.10 |
| Lychee | 15 |
| Mango | 1.0 |
| Mushroom | 1.0 |
| Nectarine | 0.5 |
| Okra | 6.0 |
| Onion, bulb | 0.5 |
| Onion, green | 5 |
| Papaya | 15 |
| Parsnip, roots | 1 |
| Passionfruit | 3 |
| Pea, edible podded | 5 |
| Peach | 0.5 |
| Peanut | 0.3 |
| Pistachio | 0.2 |
| Plum | 0.2 |
| Plum, prune | 0.2 |
| Potato | 0.1 |
| Rhubarb | 4.0 |
| Soybean | 0.2 |
| Starfruit | 3.0 |
| Tomato | 5 |
| Vegetable, cucurbit, group 9 | 5.0 |
| Vegetable, fruiting, group 8, except tomato | 6.0 |
| Yam, true | 0.10 |
(2) Tolerances are established for the metabolite 4-hydroxy-2,5,6-trichloroisophthalonitrile in or on the following food commodities.
| Commodity | Parts per million |
|---|---|
| Cattle, fat | 0.1 |
| Cattle, kidney | 0.5 |
| Cattle, meat byproducts, except kidney | 0.05 |
| Cattle, meat | 0.03 |
| Goat, fat | 0.1 |
| Goat, kidney | 0.5 |
| Goat, meat byproducts, except kidney | 0.05 |
| Goat, meat | 0.03 |
| Hog, fat | 0.1 |
| Hog, kidney | 0.5 |
| Hog, meat byproducts, except kidney | 0.05 |
| Hog, meat | 0.03 |
| Horse, fat | 0.1 |
| Horse, kidney | 0.5 |
| Horse, meat byproducts, except kidney | 0.05 |
| Horse, meat | 0.03 |
| Milk | 0.1 |
| Sheep, fat | 0.1 |
| Sheep, kidney | 0.5 |
| Sheep, meat byproducts, except kidney | 0.05 |
| Sheep, meat | 0.03 |
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. Tolerances with regional registration, as defined in § 180.1(l), are established for the combined residues of chlorothalonil and its metabolite in or on the following raw agricultural commodities:
| Commodity | Parts per million |
|---|---|
| Hazelnut | 0.1 |
| Peppermint, tops | 2 |
| Persimmon | 1.5 |
| Spearmint, tops | 2 |
(d) Indirect or inadvertent residues. [Reserved]
[42 FR 56114, Oct. 21, 1977]