EPA Approves In-Situ RDO Methods

The U.S. Environmental Protection Agency (EPA) has granted nationwide approval to three optical RDO® dissolved oxygen methods. For details, read the press release.

These methods can be used in the measurement of Biochemical Oxygen Demand (BOD), Carbonaceous Biochemical Oxygen Demand (CBOD), and Dissolved Oxygen (DO) under the Clean Water Act. NPDES permit holders can use RDO methods for process, field, and laboratory applications.

For more information on the final Methods Update Rule published on May 18, 2012, visit EPA Regulatory Changes.

EPA Letters


Additional Resources

In-Situ Inc.
221 E Lincoln Ave.
Ft. Collins, CO 80524