TESORO LOGISTICS NORTHWEST PIPELINE LLC — Warning Letter

520155006W_warning letter_02252015_text.pdf, page 1Official PDFWARNING LETTER CERTIFIED MAIL - RETURN RECEIPT REQUESTED February 25, 2015 Mr. Rick Weyen Vice President, Logistics Tesoro Logistics GP, LLC 19100 Ridgewood Parkway San Antonio, TX 78259 CPF 5-2015-5006W Dear Mr. Weyen: On July 21-24, 2014, a representative of the Pipeline and Hazardous Materials Safety Administration (PHMSA), pursuant to Chapter 601 of 49 United States Code, inspected your Northwest Products Pipeline tank facility in Pasco, Washington. As a result of the inspection, it appears that you have committed a probable violation of the Pipeline Safety Regulations, Title 49, Code of Federal Regulations. The items inspected and the probable violation(s) are: 1. Subpart G—Qualification of Pipeline Personnel § 195.507 Recordkeeping. Each operator shall maintain records that demonstrate compliance with this subpart. (b) Records supporting an individual's current qualification shall be maintained while the individual is performing the covered task. Records of prior#

520155006W_warning letter_02252015_text.pdf, page 2qualification and records of individuals no longer performing covered tasks shall be retained for a period of five years. At the time of the inspection, the individual performing the monthly tank inspections had an expired OQ qualification record for covered task CT-18 (Inspection of breakout tanks). The lapse in current qualification was between April, 2014 and July, 2014. Under 49 United States Code, § 60122, you are subject to a civil penalty not to exceed $200,000 per violation per day the violation persists up to a maximum of $2,000,000 for a related series of violations. For violations occurring prior to January 4, 2012, the maximum penalty may not exceed $100,000 per violation per day, with a maximum penalty not to exceed $1,000,000 for a related series of violations. We have reviewed the circumstances and supporting documents involved in this case, and have decided not to conduct additional enforcement action or penalty assessment proceedings at this time. We advise you to correct the item(s) identified in this letter. Failure to do so will result in Tesoro Logistics GP, LLC being subject to additional enforcement action. No reply to this letter is required. If you choose to reply, in your correspondence please refer to CPF 5-2015-5006W. Be advised that all material you submit in response to this enforcement action is subject to being made publicly available. If you believe that any portion of your responsive material qualifies for confidential treatment under 5 U.S.C. 552(b), along with the complete original document you must provide a second copy of the document with the portions you believe qualify for confidential treatment redacted and an explanation of why you believe the redacted information qualifies for confidential treatment under 5 U.S.C. 552(b). Sincerely, Chris Hoidal Director, Western Region Pipeline and Hazardous Materials Safety Administration cc: PHP-60 Compliance Registry PHP-500 D. Mulligan Activity #148281 (I05) 2#