Capable of lifting, pushing, or pulling 50 pounds, climbing ladders, standing, crawling, stooping, twisting, kneeling, working from a boat, working in confined spaces, working from heights, working in physically demanding situations, and safely working around hazardous chemicals or equipment. Operators will fill a dynamic role with assigned duties to include sample collection, lab analysis, data management, compliance documentation, preventative maintenance, equipment repair, instrument calibration, process troubleshooting and various other related tasks.