(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]
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