33 CFR 159.117 - Chemical resistance test.

§ 159.117 Chemical resistance test.

(a) In each case where the recognized facility doubts the ability of a material to withstand exposure to the substances listed in paragraphs (b) and (c) of this section a sample of the material must be tested.

(b) A sample referred to in paragraph (a) of this section must be partially submerged in each of the following substances for 100 hours at an ambient temperature of 22 °C.

(1) Sewage.

(2) Any disinfectant that is required in the operation of the device.

(3) Any chemical compound in solid, liquid or gaseous form, used, emitted or produced in the operation of the device.

(4) Fresh or salt (3.5 percent Sodium Chloride) flush water.

(5) Toilet bowl cleaners.

(6) Engine Oil (SAE/30).

(7) Ethylene Glycol.

(8) Detergents (household and bilge cleaning type).

(c) A sample of the material must be doused 20 times, with a 1 hour drying period between dousings, in each of the following substances:

(1) Gasoline.

(2) Diesel fuel.

(3) Mineral spirits.

(4) Turpentine.

(5) Methyl alcohol.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.

United States Code
Statutes at Large

Title 33 published on 08-Nov-2018 03:51

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 33 CFR Part 159 after this date.

  • 2017-07-28; vol. 82 # 144 - Friday, July 28, 2017
    1. 82 FR 35073 - Navigation and Navigable Waters, and Shipping; Technical, Organizational, and Conforming Amendments
      GPO FDSys XML | Text
      Final rule.
      This final rule is effective July 28, 2017.
      33 CFR Parts 3, 20, 64, 67, 80, 82, 83, 84, 104, 105, 109, 110, 115, 117, 120, 133, 135, 136, 137, 138, 151, 155, 157, 159, 161, 162, 164, 165, 174, and 181
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