Past Events

RMLA Webinar on the Proposed Amendments to the NES for Air Quality

This webinar recorded on 9 July 2020, was presented by Roger Cudmore, Principal, Technical Director – Environment, Golder Associates (email: and Lou Wickham, Director and Senior Air Quality Specialist, Emission Impossible (email:, who explained:

  • what’s in the current regulations;
  • what is PM2.5 and why it is important to public health;
  • sources of PM2.5 and mercury air discharges in New Zealand; and
  • the proposed amendments.

The powerpoint presentation can be downloaded here.