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21 U.S.C. 321, 342, 348.
42 FR 14526, Mar. 15, 1977, unless otherwise noted.
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Nomenclature changes to part 173 appear at 61 FR 14482, Apr. 2, 1996; 66 FR 56035, Nov. 6, 2001; 66 FR 66742, Dec. 27, 2001; and 81 FR 49896, July 29, 2016.
A tolerance of 30 parts per million is established for ethylene dichloride in spice oleoresins when present therein as a residue from the extraction of spice; Provided, however, That if residues of other chlorinated solvents are also present the total of all residues of such solvents shall not exceed 30 parts per million.