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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION MONITORING AND REPORTING ORDER NO. R5-201770826 CALIFORNIA WATER CODE SECTION 13267 FOR STOCKTON TERMINALS TECHNICAL COMMITTEE BUCKEYE PARTNERS, L.P. AND TESORO PETROLEUM COMPANY BULK FUEL TERMINALS STOCKTON, SAN JOAQUIN COUNTY This Order is issued to Buckeye Terminals, LLC (Buckeye) and Tesoro Petroleum Company (Tesoro), which now comprise the Stockton Terminals Technical Committee (STTC); the two companies are hereafter jointly referred to as the Discharger. The Order is issued pursuant to California Water Code section 13267, which authorizes the Executive Officer of the California Regional Water Quality Control Board, Central Valley Region (hereafter Central Valley Water Board) to issue a Monitoring and Reporting Order (Order). The Executive Officer finds: INTRODUCTION 1. Buckeye, Tesoro, and Time Oil Company Holdings Company (TOC Holdings; formerly Time Oil) are located at the intersection of Navy Drive and West Washington Boulevard in Stockton, San Joaquin County. Currently, the STTC is comprised of Buckeye and Tesoro. Historically, TOC Holdings was also a member of the STTC, and the STTC conducted groundwater monitoring of all three facilities under Order No. R5-2015-0813. 2. On 24 April 2017, TOC Holdings filed for Chapter 7 bankruptcy. Monitoring wells on the TOC Holdings property were not sampled during the first quarter 2017 monitoring event because there was no contract in place between TOC Holdings and Stantec Consulting Services, Inc. (Stantec), the consultant for the STTC. 3. During a 24 May 2017 call between Buckeye, Tesoro, Stantec, and the Central Valley Water Board, staffs of Buckeye and Tesoro requested that current Order No. R5-2015-0813 be rescinded and a new MRP issued which removes TOC Holdings from the STTC and omits STTC monitoring and reporting requirements for wells on the TOC Holdings property. As such, this Monitoring and Reporting Order No. R5-2017-0826 outlines monitoring and reporting requirements for only the Buckeye and Tesoro facilities (henceforth collectively referred to as the Site). Monitoring requirements for the TOC Holdings facility are outlined in a separate Order 4. Buckeye, Tesoro, and TOC Holdings operated two ozone sparge (OS) systems from 2004 until December 2012 to clean up groundwater pollution locally on'the Tesoro terminal, and pollution migrating downgradient from the Buckeye, Tesoro, and TOC Holdings facilities. The west system is downgradient of Tesoro, and the east system is downgradient of BP. The Discharger is responsible for the discharge because the companies owned and/or operated the facilities at.the times of the discharges. 5. Investigations have shown that elevated levels of total petroleum hydrocarbons as gasoline (TPHg), TPH as diesel (TPHd), benzene, toluene, ethylbenzene, and xylenes (collectively BTEX), tertiary amyl methyl ether (TAME), methyl tertiary butyl ether (MTBE), and tertiary butyl alcohol (TBA) are present in groundwater at the Site, which flows generally to the