A glossary of Triad-related technical terms.
Select a glossary term from the list below, or select a letter to see terms starting with that letter. You may also use the Glossary search box at the top of the page, or print out the entire glossary by clicking the "Printable Glossary" link above.
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Total Sampling Error (TE)
Glossary Purpose and Sources
The Glossary serves 2 roles: 1) providing clarity on how terms are defined for use within the Triad Resource Center; and 2) acknowledging where terminology may be ambiguous or conflicting due in usage by the environmental cleanup community. Where available and applicable, definitions or descriptions developed by consensus or professional organizations are preferred by the Triad Steering Committee and are referenced in this Glossary. Access to the sources quoted in this glossary is indicated in the table below:
IUPAC Compendium of Chemical Terminology, 2nd Edition, 1997
NELAC Program Policy and Structure; Appendix A; June 5, 2003
USEPA QA/G-1 Nov 02 EPA/240/R-02/008
USEPA QA/G-4 Aug 00 EPA/600/R-96/055
USEPA QA/G-5 Dec 02 EPA/240/R-02/009
USEPA QA/G-5S Dec 02 EPA/240/R-02/005
USEPA QA/G-8 Nov 02
USEPA SW-846 Jul 1992 Chapter 1, Section 5.0
USEPA Environmental Monitoring and Assessment Program (EMAP) QA Glossary
USEPA Guidance for Obtaining Representative Laboratory Analytical Subsamples from Particulate Laboratory Samples EPA/600/R-03/027; Nov 2003