PJLA Documents

Perry Johnson Laboratory Accreditation, Inc. (PJLA) documents including: checklists, policies, procedures and work instructions.

PJLA Documents

Applications for Accreditation



  • PJLA Proficiency Testing Plan LF-81
  • Traceability Acceptance Criteria Form LF-123


  • Proficiency Testing Requirements for Applicant and Accredited Laboratories PL-1
  • Policy On Measurement Traceability PL-2
  • Policy on Measurement Uncertainty for Calibration and Testing Laboratories PL-3
  • Policy on Calibration Scopes of Accreditation PL-4


Work Instructions

  • Work Instructions for Setting Up Scope of Accreditation Testing WI-8
  • Work Instructions for Inspection Scopes of Accreditation WI-9