Ambient air quality complaints 1999 : a technical background paper /

by Johnston, Z.
Published 2000

An economic assessment of introducing a 250 milligram per cubic metre emission standard as a means of reducing suspended particulate concentrations in Christchurch /

by Ball, Richard J. (Richard John)
Published 1999

Limitations on the Clean Air Zone 2000 /

by Wilton, Emily, 1971-
Published 1999

Preliminary study to assess the effects of clean air policies on low income households /

by Upton, Chloe
Published 1998

Urban and peri-urban outdoor burning in Christchurch /

Published 1997