On October 01, 2012 (77 FR 60056), the Pipeline and Hazardous Materials Administration (PHMSA) published a correction to 49 CFR Part 173. This is to make technical corrections in Sections 173.133 and 173.134. In 173.133 Assignment of packing group and hazard zones for Division 6.1 materials, on page 539, paragraph (e) is redesignated as (c). In 173.134 Class 6, Division 6.2 - Definitions and exceptions, on page 543, the second paragraph (c) is removed and (c)(2) is revised.

PHMSA 10-2 Div 6.1 Corrections in Part 173