Air

Concerns with air quality due to air pollution have become a prominent environmental issue on a local and international scale.  As such it has become a pressing issue for governments, industries and the public to address.  Harrison Grierson’s engineers and technical specialists offer practical and cost effective solutions for a range of air quality challenges.

Our staff use widely recognised methods and software to accurately measure, model and predict air quality conditions in a number of environments.  We will prepare assessment of effects reports, make applications for resource consents and will present evidence to Hearings in respect of consent applications.  Our focus is to find answers to our client’s issues using the most practical, available technology.

Our services include, source and emission inventories, odour and fugitive dust emission studies, numerical dispersion modelling, on site assessments, design and selection of air pollution control equipment and consenting and permit applications.

	Inghams Further processing plant for Inghams Enterprises (NZ) Pty Ltd This project required the development of mitigation measures to minimise effects from the Further Processing Factory on neighbouring properties. Potential sources of odour included deep fryers, boilers, freezer cooling towers and a carbon dioxide chiller... view pdf
	Milburn quarry operation and dust control for Milburn NZ Ltd (East Tamaki Quarry) Milburn NZ Ltd was required to obtain a new air discharge consent for the company’s quarry operation in East Tamaki. The Company engaged Harrison Grierson to undertake… view pdf
	Redvale landfill gas modelling and flaring for Waste Management NZ Ltd This challenging project required the development of a landfill gas generation model to predict fugitive gas emission rates throughout the life and postlife of the landfill and an atmospheric dispersion model to predict maximum odour potential.... view pdf
	Te Puru pumping station odour control for Manukau Water Limited The Te Puru Pumping Station serves a rapidly growing population in the Whitford Maraetai area. New dwellings were encroaching on the pumping station and it became important to provide robust air pollution control equipment at the site… view pdf