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Capturing methane from landfill

Capturing methane from landfill

By Erin Voegele | July 18, 2016 Capturing methane from landfill, compressing it and selling to the local CNG station owner or natural gas distribution company may be the best answer for your business. On July 14, 2016 the U.S. EPA issued final new source performance standards (NSPS) to reduce emissions of methane-rich landfill gas from new, modified and reconstructed municipal solid waste (MSW) landfills. In a separate action, the agency also issued revised guidelines for reducing emissions from existing MSW landfills. The new actions update standards and guidelines put in place in 1996. According to the EPA, methane is the second most prevalent greenhouse gas (GHG) emitted by human activities in the U.S., with nearly 20 percent of those emissions coming from landfills, which are the second largest industrial source of methane emissions in the U.S. The EPA said the two rules will reduce methane emissions by an estimated 334,000 metric tons, with is the equivalent of reducing 8.2 million metric tons of carbon dioxide in 2025. The rules also cut carbon dioxide emissions directly, yielding an estimated 303,000 metric tons of additional carbon dioxide regulations, and reduce more than 2,000 metric tons of emissions from non-methane organic compounds (NMOC). The updated NSPS applies to landfills constructed, modified or reconstructed after July 17, 2014 and have a design capacity of 2.5 million metric tons and 2.5 million cubic meters of waste, or more. The agency noted this is the same as existing design capacity thresholds. The EPA said it estimates 128 new, modified or reconstructed landfills will be subject to the NSPS. Of that number, 115 will be...