Enters confined spaces to clean the interior of tanks, trenches, drains, oil/water separators, boilers, etc., to remove liquids, solids, and residue utilizing different methods such as scraping, scrubbing, sweeping, mopping, squeegees, and shoveling. Contribute to various projects in environmental assessment and remediation, hazardous materials management, health and safety oversight, engineering, and natural resource planning and permitting, plus profile, manifest, and coordinate shipping of hazardous and regulated wastes.