REFERRAL REQUESTING INCLUSION IN REGION 3 DIRECT REFERRAL DATED 3/14/2016
Public Notice already issued on 4/21/2023 Williams and Harvest failed to comply with multiple volatile organic compound (VOC) and hazardous air pollutant emission control requirements under several New Source Performance Standards (NSPS) and National Emission Standards for Hazardous Air Pollutants applicable to natural gas processing plants, including failure to comply with Leak Detection and Repair (LDAR) requirements, failure to comply with enclosed combustor testing, and failure to control VOC emissions from open ended lines and pressure relief devices. Williams also failed to comply with the NSPS for synthetic organic chemical manufacturing distillation units and NSPS requirements applicable to hot oil process heaters and storage tanks at certain natural gas processing plants covered by the settlement. Williams and Harvest also violated provisions of their Clean Air Act construction and operating permits related to operation of a flare at the Ignacio Gas Plant on the Southern Ute Indian Reservation. The settlement requires Williams to pay a $3.75 million civil penalty, strengthen its leak detection and repair (LDAR) practices at the 15 natural gas processing plants, and perform equipment leak monitoring and repair leaks at 80 natural gas compressor stations that are not otherwise subject to LDAR requirements. In addition, the settlement requires Harvest to implement a flare monitoring project at th