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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

Proficiency Testing (PT)

Procedures & Methods

Compliance Assistance

Search Environmental Laboratories

PA State Regulations

The NELAC Institute (TNI)

Related Information

Contact Us

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