# Ariel Corporation — Hazardous Materials Safety Interpretation - **operation:** document - **citation:** 07-0021 - **title:** Ariel Corporation — Hazardous Materials Safety Interpretation - **source type:** guidance - **agency:** Pipeline and Hazardous Materials Safety Administration - **status:** guidance - **official:** true - **published on:** 2007-03-26 - **effective on:** Not available - **summary:** 07-0021 response to Ariel Corporation concerning 172.101. - **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-07-0021.json - **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-07-0021.md - **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-07-0021 - **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2007/070021.pdf **body:** <<>> Mar 26, 2007 Ms. Betty Hicks Ariel Corporation Eastman Building, P2 137 Regional Park I)rive Kingsport, Tennessee 37660 Reference No. 07-0021 Dear Ms. Hicks: This is in response to your February 6, 2007 letter requesting clarification of the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) applicable to marine pollutants. Specifically, you ask if a material is considered to be a listed man e pollutant if the technical name of the material does not specifically appear in the table of marine pollutants (172.101, Appendix B) but a synonym does. The answer is yes. Under the HMR, a material is considered a listed marine pollutant if either its technical name or a synonym appears in the table of marine pollutants. Sincerely, John A. Gale Standards Development Office of Hazardous Materials Standards 172.101 App.B - **truncated:** false - **body characters:** 842