Testing For Persistent Herbicides In Feedstocks And Compost
Figure 1. Antibody and antigen

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
Craig Coker
BioCycle January 2014, Vol. 55, No. 1, p. 31

Odor Dispersion Fundamentals
Figure 1. Buoyant emissions plume

Dispersion is the phenomenon where odor concentrations are reduced to below recognition or detection thresholds. It is influenced by meteorological conditions and topographic effects. Part VI
Craig Coker
BioCycle June 2013, Vol. 54, No. 6, p. 26


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