Words to Describe polluters

How polluters often is described ("________ polluters")

• private
• principal
• top
• smaller
• big
• worse
• biggest
• worst
• chief
• flagrant
• primitive
• toxic
• egregious
• historic
• cost
• potential
• environmental
• heavy
• notorious
• nonpoint
• stationary
• persistent
• main
• serious
• gross
• heaviest
• municipal
• grandfathered
• heavier
• scale
• visible
• corporate
• illegal
• regulated
• dangerous
• suspected
• recalcitrant
• upstream
• greatest
• dirty
• current
• large
• prime
• alleged
• significant
• largest
• thermal
• unseen
• individual
• major
• local
• leading
• industrial
• multiple
• foul