conservation area means any improved area within the boundaries of a redevelopment project area located within the territorial limits of the municipality in which 50% or more of the structures in the area have an age of 35 years or more. Such an area is not yet a blighted area but because of a combination of 3 or more of the following factors may be considered as a “conservation area”:
Pollution prevention means any activity that through process changes, product reformulation or redesign, or substitution of less polluting raw materials, eliminates or reduces the release of air pollutants (including fugitive emissions) and other pollutants to the environment prior to recycling, treatment, or disposal; it does not mean recycling (other than certain “in-process recycling” practices), energy recovery, treatment, or disposal.