Figure 1.

Modelled annual concentrations of oxides of nitrogen from stack emissions, and February 2002 – January 2003 sampling zones. (Upper figure). ---------(Black line) incremental annual NOx ug/m³ above averaged background of 60 ug/m³. ---------(Green line) topographic contours. T1, U1, X1, T3, CBMS – Air monitoring stations. Red dot – Stack location.