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Laboratory Accreditation Program

What's New?

  • 3/29/2019 – May 1, 2019 Laboratory Accreditation Advisory Committee meeting is cancelled and the next meeting is scheduled for Wednesday, September 4, 2019

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