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Guidance on Systematic Planning Using the Data Quality Objectives Process, EPA QA/G-4

Guidance on Systematic Planning Using the Data Quality Objectives Process: EPA QA/G-4 (pdf) (860.8 KB, February 2006, EPA/240/B-06/001)
Provides a standard working tool for project managers and planners to develop DQO for determining the type, quantity, and quality of data needed to reach defensible decisions or make credible estimates.

Guidance on Systematic Planning Using the Data Quality Objectives Process, EPA QA/G-4

Managing the Quality of Environmental Information