ASBG raised three main issues with the draft National Environment Protection (Ambient Air Quality) Measure (NEPM)
- ASBG questioned the wisdom of having the tightest world limits especially its impact on future planning requirements for industrial sites.
- Use of the no threshold linear health response model ignores the hormesis principle whereby low concentrations can have beneficial health benefits. A paper by the US NIH called into question the much higher US PM2.5 levels as a significant number of US cities showed beneficial health outcomes. The hormesis principle points to an optimal PM2.5 level, rather than continual tightening.
- Contextual information needs to be better communicated with exceedences especially when natural events dominate these.
Click on the link below to read the full submission.
 ASBG's Submission on the Ambient Air Quality NEPM | 225 kB |
