Begin Main Content Area

Laboratory Accreditation Program

What's New?

  • 8/13/2019 – September 4, 2019 Laboratory Accreditation Advisory Committee meeting has been rescheduled for Thursday, December 12, 2019
  • 6/19/2019 – Updated: Frequently Asked Questions document for laboratories seeking NELAP Accreditation available under Compliance Assistance.
    NEW: Instructions for Laboratories Seeking Accreditation from the PA-DEP available under Compliance Assistance.

Application Instructions

Forms & Applications

Proficiency Testing (PT)

Procedures & Methods

Compliance Assistance

Search Environmental Laboratories

PA State Regulations

The NELAC Institute (TNI)

Related Information

2018 LAAC Meeting Schedule:

  • April 12, 2018
  • October 16, 2018

All meetings will be held at the Bureau of Laboratories, 2575 Interstate Dr, Harrisburg, PA from 9:00AM - 12:00PM. Click on the above link for meeting agendas and materials.

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