Randall Denley is rightly critical of current city plans for garbage disposal and recycling (Garbage disposal plans need to be sorted out, Randall Denley, Ottawa citizen, Jan 17, 2010). Adding to Denley’s comments I have some further concerns. Testing of the Plasco system undertaken so far at the Trail Road site has involved incineration of pre-green-bin recycling garbage. This includes a large percentage of biodegradable waste with relatively high water content. Post green-bin recycling garbage incineration will therefore have a significantly different mix with a potentially larger concentration of toxic materials.
There are some unknown factors that need to be answered before any long-term contract is signed with Plasco. Further tests need to de conducted to determine the incineration efficiency of the new garbage mix as well as measurement of smoke stack effluents for dioxins and other toxic emissions.
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