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About Us Contact Information Product Description TCE Monitoring System Groundwater Sampling System Monitoring Chloroform Chromium (VI) Monitoring System HJ-100 HJ-300 Trichloroethene Optrode Detection System Features Applications Uses Theory of Operation Case Studies North Indian Bend Wash – Superfund Edwards AFB Homestead AFB Signal Time Graphs Signal v Time of Optrode Signal v Time Calibration Curve Instrument Schematic Newsletters Home	Monitoring Chloroform The TCE optrode is sensitive to trichloroethene and trihalomethanes. In the absence of TCE, the optrode measures trihalomethanes, and in particular chloroform. The newly proposed Stage 2 Disinfectant Byproduct Rule focuses on public health by limiting exposure to total trihalomethanes and haloacetic acids. The optrode is not a certified method for the detection and analysis of trihalomethanes, however it can be used as an important tool for water treatment operators in diagnosing and controlling the production of trihalomethanes. The monitoring system will allow operators to place an automated analytical instrument at treatment plant(s) or downstream locations to ascertain the changes in concentrations of trihalomethanes. Results from changes in the operating parameters to minimize trihalomethane production can be inexpensively tracked and monitored. This ability to quickly and economically determine the trihalomethane concentration to 1 ppb will allow the operators to have a very good working knowledge of the production of trihalomethanes prior to compliance with the proposed rule. The system and its operations are similar to the TCE optrode.
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