The laboratory houses hazardous materials and bulk chemicals essential for analysis, including cryogenic Dewars of liquid nitrogen, compressed gases (helium, nitrogen, hydrogen), sharps, and liquid solvents such as methylene chloride, acetonitrile, and acetone. The Sample Receiving Technician plays a key role in environmental testing operations by receiving, logging, pressurizing, screening, and distributing samples used for air, water, soil, sediment, tissue, and waste analysis.