# Dames & Moore — Pipeline Safety Interpretation - **operation:** document - **citation:** PI-74-007 - **title:** Dames & Moore — Pipeline Safety Interpretation - **source type:** guidance - **agency:** Pipeline and Hazardous Materials Safety Administration - **status:** guidance - **official:** true - **published on:** 1974-01-30 - **effective on:** Not available - **summary:** PI-74-007 response to Dames & Moore concerning 191.9. - **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-74-007.json - **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-74-007.md - **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-pi-74-007 - **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1974/PI74007.pdf **body:** <<>> January 30, 1974 Mr. Serge Matlovsky Dames & Moore 125 East Victoria Street, Suite F Santa Barbara, CA 93101 Dear Mr. Matlovsky: This is in response to your letter of January 24, 1974, in which you request statistical data concerning pipeline ruptures in the western States. We are enclosing: (1) a copy of Part 191 regarding the leak reporting requirements; (2) leak reporting forms DOT F 7100.1 and DOT F 7100.2, (applicable for sections 191.9, 191.13, and 191.15); and (3) a summary of 1972 data obtained from forms DOT F 7100.1 and 7100.2 from Region 5 which includes the States of Alaska, Arizona, California, Hawaii, Idaho, Nevada, Oregon, and Washington. We trust that this will provide you with the information that you are seeking. If we can be of additional assistance, please let us know. Sincerely, Joseph C. Caldwell Director Office of Pipeline Safety dal\191\9\74-01-30 - **truncated:** false - **body characters:** 897