
PJLA Updates
Perry Johnson Laboratory Accreditation, Inc. (PJLA) Update Notifications are listed below in descending order, displaying our most recent update notifications first. To download the latest revisions of these documents please visit the PJLA Documents section of this website.
If you have any questions or need clarification on any of these changes, please call our office at
1-877-369-5227 or (248) 519-2603 or email us at pjlabs@pjlabs.com.
Update #96
Date: October 30, 2025
Subject: Update 96 – SOP-1 Accreditation Procedure-Product, Processes and Services (PPS) Revision 1.3
Update #95
Date: October 23, 2025
Subject: Update 95 – ASCA Program Requirement Update: Certificates & Scopes of Accreditation; LF-64a ASCA
Update #94
Date: September 1, 2025
Subject: Update 94 – PJLA SOP-1-Product Certification Accreditation Procedure Rev 1.2
Update #93
Date: August 29, 2025
Subject: Update 93 – PJLA SOP-1 Accreditation Procedure-General-Rev 1.16
Update #92
Date: December 30, 2025
Subject: Update 92 – PJLA Calibration Scopes of Accreditation ANSI Z540
Update #91
Date: August 7, 2025
Subject: Update 91 – PJLA Accreditation Policy SOP-1 Product Certification Accreditation Procedure Rev 1.1
Update #90
Date: July 10, 2025
Subject: Update 90 – PJLA Accreditation Policy for Gas Standards & ISO 17034 Transitions
Update #89
Date: July 10, 2025
Subject: Update 89 – Update to Calibration Scope of Accreditation Format
Update #88
Date: July 3, 2025
Subject: Update 88 – Update to PJLA Policy PL-3 Measurement Uncertainty
Update #87
Date: June 24, 2025
Subject: Update 87 – AOAC 2024 Transition Requirements
Update #86
Date: June 10, 2025
Subject: EPA NLLAP LQSR 4.0 Transition Requirements