74 : 36 : 07 : 121 . Existing municipal solid waste landfill gas treatment system monitoring. The owner or operator of an existing municipal solid waste landfill that seeks to demonstrate compliance with the control system requirements in § 74:36:07:109 using a landfill gas treatment system shall maintain and operate all monitoring systems associated with the treatment system in accordance with the site-specific treatment system monitoring plan required in subdivision 74:36:07:131 (5) and shall calibrate, maintain, and operate according to the manufacturer's specifications a device that records flow to the treatment system and bypass of the treatment system, if applicable. The owner or operator shall:

1. (1) Install, calibrate, and maintain a gas flow rate measuring device that records the flow to the treatment system at least every 15 minutes; and
2. (2) Secure the bypass line valve in the closed position with a car-seal or a lock-and-key type configuration. A visual inspection of the seal or closure mechanism shall be performed at least once every month to ensure the valve is maintained in the closed position and the gas flow is not diverted through the bypass line.

Source: 46 SDR 64, effective November 25, 2019.

General Authority: SDCL 34A-1-6 .

Law Implemented: SDCL 34A-1-18 .