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21 U.S.C. 321(q), 346a and 371.
36 FR 22540, Nov. 25, 1971, unless otherwise noted.
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Nomenclature changes to part 180 appear at 62 FR 66023, Dec. 17, 1997.
Nomenclature changes to subpart C of part 180 appear at 67 FR 41803, June 19, 2002; 67 FR 42393, June 21, 2002; 68 FR 39430, July 1, 2003; 71 FR 74804, Dec. 13, 2006; 72 FR 53137, Sept. 18, 2007; 72 FR 61536, Oct. 31, 2007; 73 FR 60155, Oct. 10, 2008; 75 FR 56014, Sept. 15, 2010; and 76 FR 34885, June 15, 2011.
(a) General. Tolerances are established for residues of the fumigant propylene oxide, including its metabolites and its degradates, including the reaction products propylene chlorohydrin and propylene bromohydrin, in or on the commodities in table 1 to this paragraph (a). Compliance with the tolerance levels specified in table 1 to this paragraph (a) is to be determined by measuring only propylene oxide in or on the commodity.
| Commodity | Parts per
million |
|---|---|
| Cacao bean, cocoa powder | 200 |
| Cacao bean, dried bean | 200 |
| Fig, dried | 3 |
| Garlic, dried | 300 |
| Ginger, dried | 300 |
| Grape, raisin | 1 |
| Herbs and spices, group 19, dried | 300 |
| Nut, tree, group 14-12 | 300 |
| Onion, dried | 300 |
| Pepper, bell, dried | 300 |
| Pepper, nonbell, dried | 300 |
| Plum, prune, dried | 2 |
| Sesame, seed | 300 |
| Turmeric, roots, dried | 300 |
(b) Section 18 emergency exemptions. [Reserved]
(c) Tolerances with regional registrations. [Reserved]
(d) Indirect or inadvertent residues. [Reserved]
[65 FR 33702, May 24, 2000, as amended at 68 FR 39430, July 1, 2003; 72 FR 49651, Aug. 29, 2007; 73 FR 54963, Sept. 24, 2008; 76 FR 38037, June 29, 2011; 77 FR 28495, May 15, 2012; 91 FR 21389, Apr. 22, 2026; 91 FR 31962, May 29, 2026]