Wastewater, Industrial, & Environmental Sampling Systems Contact us for more information Choose the water sampler that best works for your sampling requirements.We suppy portable and battery operated system for short or long-term sampling requirements. Refrigerated Wastewater Sampler See all products Groundwater Purging Pumps Variable Speed Sampling Pumps Composite or Discrete Sampler for Stormwater,Surfacewater and Wastewater Portable Swing Sampler Groundwater Sampling Bailers See all products See all products