A former employee of this government agency, Brent Efron, compared this agency’s work to “throwing gold bars off the edge” on a Tinder date in a clip since used to justify investigations of it. (-5[1])A 1980s ruling (10[1])supporting this government agency, then led by Anne Gorsuch, created deference to federal experts (10[1])in interpreting unclear (10[1])laws, (10[1])but was overturned (10[1])in 2024. (-5[1])This government agency plans to rescind a 2009 “endangerment finding” (-5[1])as part (10[1])of what Lee Zeldin has called the US’s (10[1])“greatest day of deregulation,” including changing NAAQS regulations on PM 2.5. For 10 points, what Nixon-era government agency (10[1])is responsible for enforcing laws like the Clean Air Act? ■END■ (10[4])