Clean air is of concern to most Americans. The Environmental Protection Agency (EPA) has set forth guidelines for business, industry, and private citizens to follow to help improve air quality. All but one is a guideline of the EPA to improve air quality. That is

The question is incomplete and the options are not given, the options was found on another websites , here are the options

A. check and replace air filters regularly

B. reduce, reuse, and recycle whenever possible.

C. fix leaking faucets and minimize outdoor water use.

D. reduce the amount of particulate matter by limiting burning.

The correct option is C.

fix leaking faucets and minimize outdoor water use.

Explanation:

Fix leaking faucets and minimize outdoor water use is a guideline for the environmental protection agency because fixing faucet will allow the device to deliver water to a plumbing system. If the faucets is leaking it will lead to water wastage and pollutants having entry through the water system, when it is fixed it will minimize the outdoor water use.