- Clean Harbors (El Dorado, AR)
- Clean Harbors is North Americas largest environmental company. We are seeking a summer 2026 intern. As a ** Receiving Chemist** **Internship** at our **EL ... Dorado, AR** incinerator, you will shadow a Receiving Chemist to learn about receiving , sampling, and analyzing waste from 55-gallon drum shipments within our… more