Eurofins Eaton Analytical is accredited by The NELAC Institute (TNI) and in all 50 states and territories to perform water quality analyses as well as being ISO 17025 accredited. Our TNI accreditation program (based on ISO17025) relies on our rigorous quality system and includes more stringent and comprehensive standards than non-TNI laboratories. More than 90% of California laboratories do not qualify for TNI accreditation. We have successfully maintained licensure for over 30 consecutive years. Our certification coverage includes accreditation in all 5 fields of testing for drinking water Inorganics, Organics, Radiochemistry, Microbiology and Disinfecton By-Products.