EPA Recommends Hach LDO® Method 10360 for Compliance Monitoring


Loveland, Colorado, August 18, 2006 - In a letter dated July 26, 2006, the US Environmental Protection Agency's Engineering and Analytical Support Branch recommended Hach LDO Method 10360 (Luminescence Dissolved Oxygen) for the measurement of DO and the determination of biochemical oxygen demand (BOD) in wastewater under the National Pollution Discharge Elimination System Program (NPDES).

Hach Company is the first to bring this new technology to market. The Hach LDO® method is a breakthrough in the measurement of dissolved oxygen. For many facilities, Hach LDO has become the standard for measuring Dissolved Oxygen, eliminating the numerous reliability and maintenance concerns inherent in older DO measurement technologies. The LDO probe has no membranes to clean or replace, no electrolyte solution to replenish and does not require frequent calibration.

As a result of the letters issued from the EPA in January and July, many states and regions are authorizing use of the Hach LDO method for BOD analysis and DO effluent monitoring.

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