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ITRC GSMC Information Sheet
United States Army Corp of Engineers (USACE), "Environmental Quality, Technical Project Planning (TPP) Process." EM 200-1-2. www.usace.army.mil/missions/environmental/technicalprojectplanning.aspx
USACE. “Environmental Statistics.” EM 200-1-16. http://www.publications.usace.army.mil/Portals/76/Publications/EngineerManuals/EM_200-1-16.pdf
United States Environmental Protection Agency (USEPA). "Guidance on Systematic Planning Using the Data Quality Objectives Process." EPA QA/G-4. http://www.epa.gov/QUALITY/qs-docs/g4-final.pdf.
USEPA. "Statistical Analysis of Groundwater Monitoring Data at RCRA Facilities." Unified Guidance, EPA 530/R-09-007. http://www.epa.gov/osw/hazard/correctiveaction/resources/guidance/sitechar/gwstats/unified-guid.pdf.