An Overview The Turner Designs TD-4100 reliably detects BTEX, gasoline, diesel, jet fuel and oil in water. The TD-4100 is a nonfouling continuous, on-line monitor that provides hydrocarbon and oil in water monitoring down to low ppb. The TD-4100 is installed for applications that require monitoring of treated and untreated wastewater streams ranging from industrial wastewater, groundwater, process water, produced, potable water intakes, and storm water run-off.Why Continuous On-Line Monitoring?Continuous on-line monitoring provides the most responsive feedback loop for...