{"operation":"document","citation":"PI-72-025","title":"Maryland Public Service Commission — Pipeline Safety Interpretation","source_type":"guidance","agency":"Pipeline and Hazardous Materials Safety Administration","status":"guidance","official":true,"published_on":"1972-07-11","effective_on":null,"summary":"PI-72-025 response to Maryland Public Service Commission concerning 192.457.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-72-025.json","markdown":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-72-025.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-interpretation-pi-72-025","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/Pipeline/1972/PI72025.pdf","body":"<<<PAGE 1>>>\n\nJuly 11, 1972\nMr. Charles C. Constantine\nExecutive Secretary\nMaryland Public Service Commission\n301 West Preston Street\nBaltimore, Maryland 21201\nDear Mr. Constantine:\nThis will acknowledge receipt of Case No. 6533 by the Maryland Public Service Commission\ngranting a waiver to Washington Gas Light Company and the Baltimore Gas and Electric\nCompany, from the requirements of Section 192.59(a)(1), Section 192.457(b), and Section\n192.465(e) of Title 49 of the Code of Federal Regulations.\nThe Office of Pipeline Safety does not object to the granting of these waivers if the following\nconditions are included:\n1. The epoxy Epi-seal formulation is used as a pipeline liner consistent with the method contained\nin Patent No. 3,211,573, dated October 12, 1965, entitled \"Plastic Lining of Pipe.\"\n2. The waiver terminates after three years.\n3. The Baltimore Gas and Electric Company and the Washington Gas Light Company will submit\na report to the Maryland Public Service Commission 3 months before the waiver termination\nregarding the success or failure of this type of pipeline rehabilitation with a copy to the Office of\nPipeline Safety.\nWe trust that these conditions to the granting of the waiver will meet with your approval. If you\nhave any questions regarding this matter, please let us know.\nSincerely,\nJoseph C. Caldwell\nDirector\nOffice of Pipeline Safety\ndal\\192\\457\\72-07-11\n1","truncated":false,"body_characters":1398}