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Guidance for Data Quality Objectives Process: EPA QA/G-4: August 2000

This document is intended for project managers, technical staff, and others who wish to use the DQO process to design data collection to support decision making.

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 for Data Quality Objectives Process: EPA QA/G-4: August 2000

Managing the Quality of Environmental Information