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Welcome!

Here is a valuable site for help with developing DQOs and implementing the DQO Process. At this site, you can find information to become familiar with one type of structured planning process for collection of "good" environmental data to support decision-making. We will demonstrate the DQO steps and show you tools for formulating a problem, identifying the decisions to be made, specifying the quality requirements for the decisions -- which lead to the quality requirements for the data, and finally developing a defensible sampling and analysis plan.

What is the problem?	What decisions need to be made?
What quality for the data?	How many samples to take?

The DQO Web Site was developed by the Statistics Resources group at the Pacific Northwest National Laboratory (PNNL) for the Department of Energy's Office of Environment, Safety and Health, Corporate Performance Assessment, Quality Assurance Programs, EH-31. PNNL is located in Richland, WA and is operated for the Department of Energy by Battelle.