National Performance Audit Program (NPAP) for Gaseous Monitoring

This page contains links to general information about the NPAP program for gaseous monitors including the quality assurance project plan, standard operating procedures, mobile laboratory information and towing specifications and adequacy/independence criteria.

• Quality Assurance Project Plan for the Audit Support Program - NPAP and NATTS (pdf) (1.04 MB)
  June 2021
• Standard Operating Procedures for the Through-The-Probe National Performance Audit Program (pdf) (3.1 MB, March 2023)
  Standard Operating Procedures for the Through-The-Prove National Performance Audit Program
•   NPAP TTP Draft Operators Field SOP (pdf) (1.16 MB, August 2005)
  NPAP TTP Draft Operators Field SOP
• NPAP Program Adequacy/Independence Criteria (pdf) (36.15 KB, July 2008)
• Through the Probe Mobile Laboratory Information and Towing Specifications (pdf) (123.48 KB, March 2005)