Columbia Analytical Services, Inc. (CAS) provides analytical testing services to the pharmaceutical, biotechnology, and environmental industries. The company’s services include environmental testing of air, water, wastewater, soil, sludge, solids, waste oil, solvents, hazardous waste, sediments and tissues, process and quality control testing , pharmaceutical and nutraceutical analysis, analytical method development , sampling, field and mobile laboratory services , technical consulting, program management and data management.