Profile: Sequoia Scientific, Inc. specializes in manufacturing instrumentation and software for scientific research & environmental monitoring. Our products include particle size analyzers, suspended sediment sensors, settling velocity sensors, optical VSF sensors, radiative transfer models, sediment sensors for hydro power and industrial sensors. Our LISST-STX is a submersible field instrument which is developed for in-situ observation of the size-dependent settling velocity distribution of suspended particles. Our LISST-StreamSide is developed for monitoring applications like sediment monitoring in shallow streams and rivers or for storm runoff. It can also be used as an in-line instrument system.