https://regulations.justia.com/regulations/fedreg/agencies/department-of-transportation/pipeline-and-hazardous-materials-safety-administration/2012/08/15?registers=between Mon, 21 Apr 2025 13:55:32 -0700 Mon, 21 Apr 2025 13:55:32 -0700 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif https://regulations.justia.com/regulations/fedreg/agencies/department-of-transportation/pipeline-and-hazardous-materials-safety-administration/2012/08/15?registers=between https://regulations.justia.com/regulations/fedreg/2012/08/15/2012-18431.html https://regulations.justia.com/regulations/fedreg/2012/08/15/2012-18431.html Wed, 15 Aug 2012 00:00:00 -0700 2012-18431 Proposed Rule http://www.gpo.gov/fdsys/pkg/FR-2012-08-15/pdf/2012-18431.pdf