Regulatory Criteria for Air Quality
MWPA assesses all air quality data against regulatory criteria outlined in the environmental licence issued by the Department of Water and Environment Regulation (below).
Emission
|
Category
|
Averaging Period
|
Value
|
Dust as PM10
|
Target
|
24 Hours
|
50.0 µg/m3
|
Dust as TSP
|
Target
|
24 Hours
|
90.0 µg/m3
|
Copper as PM10
|
Target
|
24 Hours
|
1.0 µg/m3
|
Lead as PM10
|
Target
|
24 Hours
|
0.5 µg/m3 – at LR, PW & B1
2.0 µg/m3 – CR
|
Lead as TSP
|
Limit
|
3 Month Rolling Average
|
0.5 µg/m3
|
Nickel as TSP
|
Target
|
24 Hours
|
0.14 µg/m3
|
Manganese as PM10
|
Target
|
Annual Rolling Average
|
0.15 µg/m3
|