49 CFR 173.116 - Class 2

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There are 2 Updates appearing in the Federal Register for 49 CFR 173. View below or at eCFR (GPOAccess)
§ 173.116 Class 2—Assignment of hazard zone.
(a) The hazard zone of a Class 2, Division 2.3 material is assigned in column 7 of the § 172.101 table. There are no hazard zones for Divisions 2.1 and 2.2. When the § 172.101 table provides more than one hazard zone for a Division 2.3 material, or indicates that the hazard zone be determined on the basis of the grouping criteria for Division 2.3, the hazard zone shall be determined by applying the following criteria:
Hazard zone Inhalation toxicity
A LC50 less than or equal to 200 ppm.
B LC50 greater than 200 ppm and less than or equal to 1000 ppm.
C LC50 greater than 1000 ppm and less than or equal to 3000 ppm.
D LC50 greater than 3000 ppm or less than or equal to 5000 ppm.
(b) The criteria specified in paragraph (a) of this section are represented graphically in § 173.133, Figure 1.
[Amdt. 173-224, 55 FR 52634, Dec. 21, 1990, as amended at 56 FR 66268, Dec. 20, 1991; Amdt. 173-138, 59 FR 49133, Sept. 26, 1994; 67 FR 61013, Sept. 27, 2002]

Title 49 published on 2014-10-01

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.

  • 2015-02-20; vol. 80 # 34 - Friday, February 20, 2015
    1. 80 FR 9217 - Hazardous Materials: Transportation of Lithium Batteries
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      Final rule; extension of compliance date.
      The compliance date for the final rule published August 6, 2014, at 79 FR 46012, is extended until August 7, 2015.
      49 CFR Parts 171, 172, 173, and 175

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United States Code

Title 49 published on 2014-10-01

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

  • 2015-02-20; vol. 80 # 34 - Friday, February 20, 2015
    1. 80 FR 9217 - Hazardous Materials: Transportation of Lithium Batteries
      GPO FDSys XML | Text
      DEPARTMENT OF TRANSPORTATION, Pipeline and Hazardous Materials Safety Administration
      Final rule; extension of compliance date.
      The compliance date for the final rule published August 6, 2014, at 79 FR 46012, is extended until August 7, 2015.
      49 CFR Parts 171, 172, 173, and 175