Compost site comes back from the brink

Article Abstract:

Cedar Grove Compost Company in Seattle adopted an Environmental Management System (EMS) to help improve its precarious situation in 1997 with regard to a half million dollar fine, a lawsuit and angry neighbours. The company was used aerated static piles, and overloading reduced the effectiveness of its biofilter, leading to a dramatic increase in odors. The company had to comply with more than 20 measures aimed at controling odor complaints, and it successfully used the new management method to control odors during delivery, mixing and processing.

Environmental policy, Cedar Grove Composting Inc.

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Sampling for airborne contaminants

Article Abstract:

Compost plants sometimes cause environmental and health problems, and frequent protests from residents in the neighborhood are not uncommon. Aspergillus fumigatus, a fungus present in all decaying organic matter, poses problems as the spores of this organism can become airborne. Though no reports of harm to health are available, methods of testing are being developed to satisfy protestors that the air is not polluted. Monitoring consists of passing a fixed volume of air through filters on which dust can collect.

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Aspergillus in compost: straw man or fatal flaw?

Article Abstract:

Aspergillus fumigatus (AF) can potentially be harmfully concentrated around the place where compost is being turned and mixed. The people directly dealing with the compost on a regular basis may be vulnerable to huge amounts of AF. But there is no proof that most people are harmed by little amount of AF in air at a distance from even the largest composting facilities. Most of the air usually is just the same air as anywhere else.

Research, Aspergillus

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