Kitchen waste disposal units increase the load of organic carbon that reaches the water treatment plant, which in turn increases the consumption of oxygen. Metcalf and Eddy quantified this impact as 0.04 pound of biochemical oxygen demand per person per day where disposers are used. An Australian study that compared in-sink food processing to composting alternatives via a life cycle assessment found that while the in-sink disposer performed well with respect to climate change, acidification, and energy usage, it did contribute to eutrophication and toxicity potentials.
Chartered by entrepreneur Lowell Harrelson and Long Island mob boss Salvatore Avellino, it set sail on March 22 from Islip, New York, escorted by the tugboat Break of Dawn and carrying 3,168 tons of trash headed for a pilot program in Morehead City, North Carolina, to be turned into methane. The barge was docked at Morehead City, until a WRAL-TV news crew, acting on a tip, flew by helicopter to the coast to investigate. Action News 5 Reporter Susan Brozek broke the story on the 6 p.m. news on April 1, 1987, and North Carolina officials began their own investigation, which resulted in an order for the Mobro to move on.
Cecilia Harsch has been writing professionally since 2009. She writes mainly home improvement, health and travel articles for various online publications. She has several years of experience in the home-improvement industry, focusing on gardening, and a background in group exercise instruction. Harsch received her Certified Nurses Assistant license in 2004. She attended Tarrant County College and studied English composition.