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49 CFR 173.337 - Nitric oxide.

There are 7 Updates appearing in the Federal Register for 49 CFR 173. Select the tab below to view, or View eCFR (GPOAccess)
§ 173.337
Nitric oxide.
(a) Nitric oxide must be packaged in cylinders conforming to the requirements of § 173.40 and as follows:
(1) DOT specification cylinder. In a DOT 3A1800, 3AA1800, 3E1800, or 3AL1800 cylinder. A DOT specification cylinder must be charged to a pressure of not more than 5,170 kPa (750 psi) at 21 °C (70 °F). Transportation of nitric oxide in a DOT 3AL is cylinder is authorized only by highway and rail.
(2) UN cylinder. In a UN cylinder with a minimum test pressure of 200 bar. The maximum working pressure of the cylinder must not exceed 50 bar. The pressure in the cylinder at 65 °C (149 °F) may not exceed the test pressure. The use of UN tubes and MEGCs is not authorized.
(3) Valves. Cylinders must be equipped with a stainless steel valve and valve seat that will not deteriorate in contact with nitric oxide. Cylinders or valves may not be equipped with pressure relief devices of any type.
(b) Each UN cylinder must be cleaned in accordance with the requirements of ISO 11621 (IBR, see § 171.7 of this subchapter). Each DOT specification cylinder must be cleaned in compliance with the requirements of GSA Federal Specification RR-C-901D, paragraphs 3.3.1 and 3.3.2 (IBR, see § 171.7 of this subchapter). Cleaning agents equivalent to those specified in Federal Specification RR-C-901D may be used; however, any cleaning agent must not be capable of reacting with oxygen. One cylinder selected at random from a group of 200 or fewer and cleaned at the same time must be tested for oil contamination in accordance with Federal Specification RR-C-901D paragraph 4.3.2 and meet the standard of cleanliness specified therein.
[71 FR 33885, June 12, 2006]

Title 49 published on 2012-10-01

The following are only the Rules published in the Federal Register after the published date of Title 49.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2013-03-25; vol. 78 # 57 - Monday, March 25, 2013
    1. 78 FR 17875 - Hazardous Materials: Miscellaneous Petitions for Rulemaking (RRR)
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      49 CFR Parts 172, 173, 176, 178

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.

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United States Code
USC : Title 49 - TRANSPORTATION

§ 5101 - Purpose

§ 5102 - Definitions

§ 5103 - General regulatory authority

§ 5103a - Limitation on issuance of hazmat licenses

§ 5104 - Representation and tampering

§ 5105 - Transporting certain highly radioactive material

§ 5106 - Handling criteria

§ 5107 - Hazmat employee training requirements and grants

§ 5108 - Registration

§ 5109 - Motor carrier safety permits

§ 5110 - Shipping papers and disclosure

§ 5111 - Repealed.

§ 5112 - Highway routing of hazardous material

§ 5113 - Unsatisfactory safety rating

§ 5114 - Air transportation of ionizing radiation material

§ 5115 - Training curriculum for the public sector

§ 5116 - Planning and training grants, monitoring, and review

§ 5117 - Special permits and exclusions

§ 5118 - Repealed.

§ 5119 - Uniform forms and procedures

§ 5120 - International uniformity of standards and requirements

§ 5121 - Administrative

§ 5122 - Enforcement

§ 5123 - Civil penalty

§ 5124 - Criminal penalty

§ 5125 - Preemption

§ 5126 - Relationship to other laws

§ 5127 - Judicial review

§ 5128 - Authorization of appropriations

§ 44701 - General requirements

Title 49 published on 2012-10-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 49 CFR 173 after this date.

  • 2013-03-25; vol. 78 # 57 - Monday, March 25, 2013
    1. 78 FR 17875 - Hazardous Materials: Miscellaneous Petitions for Rulemaking (RRR)
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      49 CFR Parts 172, 173, 176, 178