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Compost Bioassay Tests Show Persistent Herbicide Impacts
University of Vermont researchers tested a total of 163 samples from 12 composting facilities in 8 separate plantings from November 2013 to August 2015.nPlant injuries were observed. |
Coping With Persistent Herbicides In Composting Feedstocks
U.S. EPA’s final work plans for clopyralid, picloram and aminopyralid include development of testing methods to detect herbicide residues in compost. And composting facilities fine-tune strategies to protect against impacts. |
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Testing For Persistent Herbicides In Feedstocks And Compost
New testing methods may be available by mid-2014, including molecularly imprinted polymers that simplify extraction and analysis procedures, and a “dipstick” to test for the presence, although not necessarily the concentration, of certain persistent herbicides. Part III |
Composters Defend Against Persistent Herbicides
To mitigate exposure, composting facility operators are modifying feedstock recipes and increasing use of plant bioassays of finished compost. Part II |
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Unraveling The Maze Of Persistent Herbicides In Compost
An almost year-long investigation into how a Vermont solid waste district’s compost became subjected to persistent herbicide pollution has resulted in answers — and management strategies. Part I |
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Composting Roundup
BioCycle March 2013, Vol. 54, No. 3, p. 12 Atlanta, Georgia: City Adopts Green Infrastructure Policies In mid-February, the Atlanta City Council unanimously adopted a Post-Development Stormwater Management Ordinance that promotes use of green infrastructure practices in new and redevelopment projects in the city. Drafted by the Department of Watershed Management, the ordinance offers the |
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