Avoid paying large service fees to environmental agencies by deploying Ormantine's easy-to-use passive samplers yourself! Ormantine USA has been established now for over 35 years, building its reputation as a market leader in the supply of accessories to Laboratories and Industrial Processes. We specialize in small bore tubing and using our expertise we have become world leaders in the manufacture and supply of Peristaltic Pump Tubes. Ormantine USA is also amongst the market leaders in the preparation, supply and analysis of diffusion tube environmental monitors. These options cover : External ambient air, indoor ambient air, contaminated soils, occupational hygiene, and workplace monitoring. We pride ourselves on our customer service and endeavour to provide a