City of Bath, Maine Landfill

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Project Owner/Client:  City of Bath, Maine
Professional Services:  Air Permitting Consulting

Sanborn Head provided air permitting services to the City of Bath to obtain the Air Emission License required to allow our client to operate a landfill gas (LFG) combustion flare.

The City of Bath Landfill in Bath, Maine is a 25-acre facility permitted to receive municipal solid waste and construction & demolition debris. The site is equipped with a gas collection and control system to control odors and to reduce greenhouse gas (GHG) emissions by destroying methane.

For the air license application, Sanborn Head modeled LFG collection rates from the site using the U. S. Environmental Protection Agency’s (USEPA’s) Landfill Gas Emissions Model (LandGEM). After LFG collection rates were estimated, pollutant emissions from combustion, such as carbon monoxide (CO), were modeled to demonstrate compliance with ambient air standards.

Sanborn Head developed a protocol for sampling non-methane organic compounds (NMOC) and total reduced sulfur (TRS) compounds in the gas collected from the landfill. Sanborn Head has completed the required LFG sampling since issuance of the Air Emission License in 2007, and worked with the City to submit the air license renewal application in 2012. Sanborn Head has also prepared Federal GHG Reports for the site since 2010, in compliance with the USEPA’s Mandatory Reporting Rule.