Laboratory Accreditation Program

What's New?

• 5/27/2020 – Parts 1 through 5 and associated instructions of the Application for Environmental Laboratory Accreditation have been updated and are available under the Forms & Applications heading.
• 5/21/2020 - The Laboratory Accreditation Program Document Upload is available and should be used to submit documentation electronically to the Program for assessment data and corrective action and application attachments. Please use the link under the Contact Us header.
• 5/2/2020 – New technical guidance documents: Guidelines for Sample Collection, Receipt, and Handling; and Microbiology Incubation Units, both available under Compliance Assistance.
• 3/4/2020 – April 2, 2020 Laboratory Accreditation Advisory Committee meeting has been canceled.
  
• 2/26/2020 – Updated: Corrective Action Report FAQ, Rev. 1 and Proficiency Testing (PT) Guidance for Laboratories, Rev. 5 documents, both available under Compliance Assistance.
  

Forms & Applications

• Part 1 - Initial/Renewal Application & Instructions
• Part 2 - Methodology Requests
• Part 3 – Add/Change Supervisor Application & Instructions
• Part 4 - Addition of Field of Accreditation (FOA) & Instructions
• Part 5 - Changes to Laboratory Information & Instructions
• Environmental Laboratory Registration Application
• W-9 Form & Instructions (Rev. 11/2005) (PDF)
• Distillation Variance Application (Rev. 10/2012) (Word)
• Limited Use ATP Method Application (Rev. 10/2012) (Word)
• Request to Report Qualified DW Results (Rev. 7/2015) (Word)
• Request to Report Qualified DW Sample Results Instructions (Rev. 7/2015) (PDF)

Proficiency Testing (PT)

• Fields of Proficiency Testing for Drinking Water, Effective 4/28/2012 (PDF)
• Fields of Proficiency Testing for Non-potable Water, Effective 4/28/2012 (PDF)
• Fields of Proficiency Testing for Whole Effluent Toxicity, Effective 5/1/09 (PDF)
• Fields of Proficiency Testing for Solid and Chemical Materials, Effective 4/20/2012 (PDF)
• Approved PT Providers, Rev.4 (PDF)

Procedures & Methods

• Light Hydrocarbons via Headspace and GC-FID (PA-DEP 3686, Rev. 1) (PDF)
• Light Hydrocarbons via Purge & Trap and GC-FID (PA-DEP 9243, Rev. 0) (PDF)
• Distillation Variance Procedure, Rev. 1 (PDF)

Compliance Assistance

• Coliform Density Calculation FAQ (11/2008) (PDF)
• Corrective Action Report FAQ, Rev. 1 (PDF)
• Distillation Variance Approval Extension Letter (04/27/2012) (PDF)
• Guidelines for Sample Collection, Receipt, and Handling
• Instructions for Environmental Laboratories Seeking Accreditation from the PA-DEP, Rev. 0 (PDF)
• Limited Use ATP Approval Application FAQ, Rev. 0 (PDF)
• Memo to All Accredited Labs RE: Env. Lab Accreditation Regs, Chapter 252 (PDF)
• Memo to DW Accredited Laboratories RE: SDWA Reporting and Notification Requirements (12/7/2017) (PDF)
• Microbiology Incubation Units
• NELAP Accreditation FAQ, Rev. 2 (PDF)
• Notice to DW Microbiology Laboratories RE: SDWA Microbiology Results (PDF)
• On-Site Assessment Guidance, Rev. 2 (PDF)
• Proficiency Testing (PT) Guidance for Laboratories Rev. 5 (PDF)
• Required Documentation for PA State (Chapter 252) Accreditation, Rev. 5 (PDF Only)
• SDWA Composite Analysis FAQ, Rev. 0 (PDF)
• Writing a Quality Manual for PA State (Chapter 252) Accreditation Rev. 8 (PDF)
• Writing an Analytical SOP for PA State Accreditation, Rev. 3 (PDF)

Search Environmental Laboratories

• Instructions for use of "Search PA Accredited Environmental Laboratories" (PDF)
• Search PA Accredited Environmental Laboratories Link
• Search PA Registered Environmental Laboratories Link

PA State Regulations

• 25 Pa. Code Chapter 252 Environmental Laboratory Accreditation Regulations
• 2012_April 28 - PA Bulletin Fields of Proficiency Testing Additions and PTRLs 4/28/2012 (PDF)
• 2009_May 23 - PA Bulletin Fields of Proficiency Testing Additions 5/23/09 (PDF Only)
• 27 Pa C.S., Chapter 41 (Act 90 of 2002) - Environmental Laboratory Accreditation Act (PDF Only)

The NELAC Institute (TNI)

• The NELAC Institute (TNI) 
  

Related Information

• Laboratory Accreditation Advisory Committee

Contact Us

• EP, Laboratory Accreditation Program
• Laboratory Accreditation Program Document Upload

Mailing and Physical Addresses

US Postal Service :

Department of Environmental Protection
Bureau of Laboratories
Attn: Laboratory Accreditation Program
PO Box 1467
Harrisburg, PA 17105-1467

Other modes of delivery (UPS, Fed Ex, etc):

Department of Environmental Protection
Bureau of Laboratories
Attn: Laboratory Accreditation Program
2575 Interstate Drive
Harrisburg, PA 17110-9332