even really old objectives ignored

In the technical assessment document SLR has prepared for NewPro continual reference is made to the PM2.5 objective being 8 micrograms/m3 annually. But this document points out that since 2005 the planning objective has been 6 micrograms. Why is this being ignored?

One thought on “even really old objectives ignored”

  1. The Technical Assessment Report refers to the 8 µg/m3 air quality objective (AQO), not the 6 µg/m3 Provincial Planning Goal. According to the referenced document, the objectives are non-statutory limits used to manage and inform air quality decisions; whereas the goals are a voluntary target to guide airshed planning efforts.

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