# Arizona Corporation Commission — Pipeline Safety Interpretation - **operation:** document - **citation:** PI-93-013 - **title:** Arizona Corporation Commission — Pipeline Safety Interpretation - **source type:** guidance - **agency:** Pipeline and Hazardous Materials Safety Administration - **status:** guidance - **official:** true - **published on:** 1993-03-24 - **effective on:** Not available - **summary:** PI-93-013 response to Arizona Corporation Commission concerning 192.53. - **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-93-013.json - **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-93-013.md - **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-93-013 - **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1993/PI93013.pdf **body:** <<>> March 24, 1993 Mr. Dan H. Weaklend Chief, Pipeline Safety Utilities Division Arizona Corporation Commission 1200 W. Washington Street Phoenix, AZ 85007 Dear Mr. Weaklend: We have considered your letter of February 3, 1993, notifying us that the Commission has granted Southwest Gas Corporation a waiver. The purpose of the waiver is to authorize Southwest to use plastic mechanical fittings that are not covered by specifications listed in 49 CFR Part 192. Plastic mechanical fittings must meet all applicable Part 192 material and design requirements, including §§192.53, 192.273(a), and 192.281(e). In view of these requirements, we have no objection to the waiver. Sincerely, George W. Tenley, Jr. Associate Administrator for Pipeline Safety dal\192.53\93-03-24 - **truncated:** false - **body characters:** 778