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


  • Accreditation Procedure SOP-1
  • Appeal Procedure SOP-10
  • Complaint Procedure SOP-9
  • Use of the Accreditation Symbol Procedure SOP-3 (Effective March 1, 2016)
  • Suspension, Withdrawl or Reduction of Accreditation SOP-11

Work Instructions

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