# Union Carbide Corporation — Pipeline Safety Interpretation - **operation:** document - **citation:** PI-70-008 - **title:** Union Carbide Corporation — Pipeline Safety Interpretation - **source type:** guidance - **agency:** Pipeline and Hazardous Materials Safety Administration - **status:** guidance - **official:** true - **published on:** 1970-11-30 - **effective on:** Not available - **summary:** PI-70-008 response to Union Carbide Corporation concerning 192.13, 195.1. - **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-70-008.json - **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-70-008.md - **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-70-008 - **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1970/PI70008.pdf **body:** <<>> November 30, 1970 Mr. J. J. Kocian Manager of Pipelines Union Carbide Corporation 1200 Travis, Suite 912 Houston, Texas 77002 Dear Mr. Kocian: This is in reply to your letter of November 5, 1970, regarding applicability of 49 CFR, Part 192 to pipelines carrying ethylene. It is our interpretation based on the information provided in your letter that the pipelines concerned are governed by the liquid line regulation, 49 CFR, Part 195, a copy of which is enclosed for your information. There are no requirements for odorization in this regulation. If, after you consider the applicable provisions of 49 CFR, Part 195, you have further questions do not hesitate to ask. Sincerely, Joseph C. Caldwell Director, Acting Office of Pipeline Safety Enclosure dal\192.1-a\13\70-11-30 1 - **truncated:** false - **body characters:** 792