Profile: N-Con Systems Co., Inc. manufactures automatic water & wastewater samplers, storm water samplers, and on-line toxicity or treatment inhibition monitors. The atmospheric deposition sampler (ADS) is designed for collection of atmospheric deposition samples for routine collection of wetfall to provide samples for precipitation chemistry. It is sensitive to light snow, drizzle or heavy fog. The Sentinel sewage sampler is a flow-through chamber dipper-type automatic sampler. The clog-resistant dipper and exhaust system make is suitable for use with all types of waste.