40 CFR § 180.291 - Pentachloronitrobenzene; tolerance for residues.

---
identifier: "/us/cfr/t40/s180.291"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 180.291 - Pentachloronitrobenzene; tolerance for residues."
title_number: 40
title_name: "Protection of Environment"
section_number: "180.291"
section_name: "Pentachloronitrobenzene; tolerance for residues."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "E"
subchapter_name: "PESTICIDE PROGRAMS"
part_number: "180"
part_name: "TOLERANCES AND EXEMPTIONS FOR PESTICIDE CHEMICAL RESIDUES IN FOOD"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321(q), 346a and 371."
regulatory_source: "36 FR 22540, Nov. 25, 1971, unless otherwise noted."
cfr_part: "180"
---


# 180.291 Pentachloronitrobenzene; tolerance for residues.

(a) *General.* Tolerances are established for the combined residues of the fungicide pentachloronitrobenzene (PCNB) and its metabolites pentachloroaniline (PCA), and pentachlorothioanisole (PCTA), in or on the following food commodities:

| Commodity | Parts per million |
| --- | --- |
| Bean | 0.1 |
| Brassica, head and stem, subgroup 5A | 0.1 |
| Cotton, undelinted seed | 0.1 |
| Garlic, bulb | 0.1 |
| Peanut | 1.0 |
| Potato | 0.1 |
| Soybean, forage | 0.02 |
| Soybean, hay | 0.02 |
| Soybean, seed | 0.02 |
| Vegetable, fruiting, group 8 | 0.1 |

(b) *Section 18 emergency exemptions.* [Reserved]

(c) *Tolerances with regional registrations.* Tolerances with regional registrations, as defined in § 180.1(l), are established for the combined residues of the fungicide pentachloronitrobenzene (PCNB) and its metabolites pentachloroaniline (PCA), and pentachlorothioanisole (PCTA), in or on the following food commodities:

| Commodity | Parts per million |
| --- | --- |
| Collards | 0.2 |
| Kale | 0.2 |
| Mustard, greens | 0.2 |

(d) *Indirect or inadvertent residues.* [Reserved]

[74 FR 47456, Sept. 16, 2009]