The Performance Based Measurement Systems (PBMS) Workgroup was established to promote the design and implementation of a system that permits the use of any appropriate measurement methods that demonstrate the ability to meet established performance criteria and that compy with specified data-quality needs. Performance criteria, such as precision, bias, sensitivity, specificity, and detection limit, must be designated, and a method-validation process must be documented (ITFM).

• Board PBMS Position Paper

• PBMS References -- Various papers written about PBMS approaches and implementation

• Position Papers -- Drafts of position papers regarding the PBMS for sampling and analyses

• COD Pilot Presentation

• Presentation of the COD pilot study

• PBMS Position Presentation at WTQA Meeting

• Final Draft COD pilot proposal

• ETA PBMS Summary Article

• PBMS Workplan, May 2001

• PBMS Roster