Final answer:
Pesticides are regulated by the EPA and tested for safety, ensuring they meet scientific standards and are safe for the environment.
Step-by-step explanation:
There are multiple measures in place to ensure that pesticides are up to scientific standards and safe for the environment. One important step is that pesticides are tested and approved by the Environmental Protection Agency (EPA) (seo keyword: EPa). Additionally, pesticides are required to be registered every 15 years to ensure continued safety (seo keyword: registration). Each state also tests pesticides for safety (seo keyword: state testing). Through extensive testing and regulatory processes, the EPA guarantees the safety of all pesticides (seo keyword: EPA guarantee).