Chemical Contamination Terminology

noun the presence in or introduction into the environment of a substance or thing that has harmful or poisonous effects

• The government is implementing stricter regulations to reduce pollution levels in the city.
• We really need to do something about the pollution in our neighborhood.
• Dude, the pollution in this area is off the charts!
• The pollution of negative thoughts was evident in her demeanor.

noun the act of making something impure or inferior by adding extraneous substances

• The company was fined for the adulteration of their products.
• They got in trouble for messing with their products.
• They got busted for tampering with their stuff.
• The adulteration of his story made it hard to believe.