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Water monitoring instruments are used to characterize the quality of groundwater and surface water by providing specific parameter information. Water quality parameters include pH, temperature, conductivity, dissolved oxygen (DO), oxygen reduction potential (ORP), salinity, total dissolved solids (TDS), turbidity, biochemical oxygen demand (BOD), chemical oxygen demand (COD), and seawater specific gravity. There are numerous additional parameters that can be detected in groundwater or surface water, which include (to name a few) lead, iron, mercury, nitrates, nitrites, and sulfates. Water monitoring instruments can also include products that measure depth and indicate whether or not petroleum is present.
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