40 CFR 180.1025 - Xylene; exemption from the requirement of a tolerance.

§ 180.1025 Xylene; exemption from the requirement of a tolerance.

Xylene is exempted from the requirement of a tolerance when used as an aquatic herbicide applied to irrigation conveyance systems in accordance with the following conditions:

(a) It is to be used only in programs of the Bureau of Reclamation, U.S. Department of Interior, and cooperating water user organizations.

(b) It is to be applied as an emulsion at an initial concentration not to exceed 750 parts per million.

(c) It is not to be applied when there is any likelihood that the irrigation water will be used as a source of raw water for a potable water system or where return flows of such treated irrigation water into receiving rivers and streams would contain residues of xylene in excess of 10 parts per million.

(d) Xylene to be used as an aquatic herbicide shall meet the requirement limiting the presence of a polynuclear aromatic hydrocarbons as listed in 21 CFR 172.250.

[ 38 FR 16352, June 22, 1973, as amended at 50 FR 2980, Jan. 3, 1985]

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United States Code

Title 40 published on 10-May-2017 04:28

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 180 after this date.

  • 2017-05-25; vol. 82 # 100 - Thursday, May 25, 2017
    1. 82 FR 24062 - Flazasulfuron; Pesticide Tolerances
      GPO FDSys XML | Text
      Final rule.
      This regulation is effective May 25, 2017. Objections and requests for hearings must be received on or before July 24, 2017, and must be filed in accordance with the instructions provided in 40 CFR part 178 (see also Unit I.C. of the SUPPLEMENTARY INFORMATION ).
      40 CFR Part 180