6 of 26 | Click to enlarge

6 of 26 | Click to enlarge

Each land use area is assigned an activity category and impact criteria. For example, activity category B is residential land use. 

The impact criteria represents the limit of what is considered an acceptable noise level for each activity category.

The above table lists the activity categories based on land use, and provides the noise abatement criteria for each category. For example, the noise abatement criteria for Category B, Residential, is 67 Leq.