Intro to Chemical Manufacturing Correct! Incorrect! 1. Which agency regulates pollution of the land, water, and air? EPA DOT FDA DHS View the lesson section again Correct! Incorrect! 2. Which of the following is known as the “voice of the customer”? control limits specification limits control specifications View the lesson section again Correct! Incorrect! 3. A __________ is a method of changing raw materials into a finished product. production parameter procedure process View the lesson section again