Columbia Laboratories Inc. Portland's premier Food/Environmental/Hemp testing laboratory is currently looking for a. Laboratory Technician. to join our. Chromatography. team. The Tentamus Group is a global product and safety firm with a core presence in Europe, UK, Israel, China and the USA. Tentamus tests and consults on products involving the human body with strong focus on food, nutraceuticals and cosmetics. Tentamus is represented in over 40 ...