https://regulations.justia.com/regulations/fedreg/agencies/department-of-transportation/pipeline-and-hazardous-materials-safety-administration/2013/01/02?registers=between Fri, 09 May 2025 11:39:47 -0700 Fri, 09 May 2025 11:39:47 -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/2013/01/02?registers=between https://regulations.justia.com/regulations/fedreg/2013/01/02/2012-31520.html https://regulations.justia.com/regulations/fedreg/2013/01/02/2012-31520.html Wed, 02 Jan 2013 00:00:00 -0800 2012-31520 Notice http://www.gpo.gov/fdsys/pkg/FR-2013-01-02/pdf/2012-31520.pdf