Third-Party Validation & Testing

Air Hygiene

Air Hygiene, as an international Air Emission Testing Body (AETB) is accredited to ASTM D7036 (Standard Practice for Competence of Air Emission Testing Bodies) from A2LA and the Stack Testing Accreditation Council (STAC).


DNV GL is the world’s leading classification society and a recognized advisor for the maritime industry and technical advisor to the oil and gas industry, world-renowned testing, certification, and advisory services in the energy value chain, including renewables and energy management. 

DNV GL is one of the world’s leading certification bodies, helping businesses assure the performance of their organizations, products, people, facilities, and supply chains. They are also a world-leading digital solution provider for managing risk and improving safety and asset performance for ships, pipelines, processing plants, offshore structures, electric grids, smart cities, and more.