The following is a list of written interpretations from Office of Hazardous Materials relating to the re-qualification of cylinders.
You can view all interpretation letters to the Office of Hazardous Materials by CFR section at this link
September 18, 2014 Letter of Interpretation Despite what some other instructors-trainers-inspectors may of told you, here is a letter from PHMSA stating that Hydro-Test pressure gauges meet/exceed requirements of Title49 section 180.205(g)(3)(i).
June 25, 2012 Letter of Interpretation regarding the testing of dry chemical fire suppression system cylinders to fire extinguisher specs.
August 9, 2010 Letter of Interpreation About Using the CGA C-1.1 Pamphlet as a Training Resource
May 13, 2008 Letter of Interpretation concerning the use of latest edition CGA pamphlets vs cited editions
May 17, 2007 Letter of Interpretation About Marking a "VE" on Cylinders That Do Not Require a Eddy Current Examination
June 5, 2006 Letter of Interpretation that allows the end use to star stamp a cylinder
May 24, 2006 Letter of Interpertation Concerning the Proof Testing Requirements of Specification 4B Refrigerent Cylinders
March 23, 2006 Letter of Interpretation Concerning the Use of 3HT Specification Cylinders in the Paintball Industry - DOT's Interpretation May Suprise You!
September 13, 2004 Letter of Interpretation Concerning Condemned Markings, Maximum Test Pressures, Repeated Test, Star Stamping, Publication Dates
December 17, 2002 Letter of Interpretation Concerning Required Training Being Provided By Independent Inspectors
November 27, 2002 Letter of Interpretation Concerning the use of Labels on Fire Extinguishers
April 2, 2002 Letter of Interpretation Concerning Requalification of 4B Cylinders by Non Licensed Company
March 26, 2002 Letter of Interpretation Concerning Testing of E8840 Exemption Cylinder
November 30, 2001 Letter of Interpretation Concerning Transportation of Cylinder After 15 Year Life
June 21, 2001 Letter of Interpretation Concerning Condemning a Cylinder by a Unauthorized Person
March 15, 2001 Letter of Interpretation Concerning Number of Repeat Test
Did you know that the Office of Hazardous Materials has a support staff available to answer your regulation questions ? You can contact them by email or phone by clicking here
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