MONTANA - DAKOTA UTILITIES CO — Notice of Amendment

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Pipeline and Hazardous Materials Safety AdministrationOfficial agency material

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case documentOfficial PDF320121009M_NOA_11282012.pdf#

case documentOfficial PDF320121009M_NOA_11282012_text.pdf#

party submissionOfficial PDF320121009M_Operator Response to NOA_12272012.pdf#

320121009M_Closure Letter_06032016_text.pdf, page 1Official PDFCERTIFIED MAIL - RETURN RECEIPT REQUESTED June 3, 2016 Mr. David Goodin, CEO MDU Resources Group, Inc. 1200 West Century Avenue Bismarck, ND 58501 CPF 3-2012-1009M Dear Mr. Goodin: From March 12 through March 16, 2012, representatives from the Pipeline and Hazardous Materials Safety Administration (PHMSA) and various state pipeline safety programs, pursuant to chapter 601 of 49 United States Code, conducted an on-site pipeline safety inspection of MDU Resources Group, Inc. (Williston Basin, Cascade Natural Gas and Montana-Dakota Utilities Co.) control room management procedures in Bismarck, North Dakota. As a result of the inspection, Montana-Dakota Utilities (MDU) was issued a Notice of Amendment on November 28, 2012, which proposed amendment of your procedures. MDU submitted its amended procedures on March 29, 2013. My staff reviewed the amended procedures, and it appears that the inadequacies outlined in this Notice of Amendment have been corrected. This letter is to inform you no further action is necessary and this case is now closed. Thank you for your cooperation. Sincerely, Allan C. Beshore Director, Central Region, OPS Pipeline and Hazardous Materials Safety Administration#

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