State Environmental Laboratory Services Division

The organic and inorganic laboratories provide analytical support to various programs within DEQ, to other state agencies, to the state's 1,700 public water supply systems and to citizens who request services.

Mailing Address
Oklahoma Department of Environmental Quality
State Environmental Lab Services Division
P.O. Box 1677
707 North Robinson
Oklahoma City, OK 73102
General Phone Number (405) 702-1000
Fax Number (405) 702-1001
Toll Free 1-866-412-3057
E-mail selsd@deq.ok.gov

Business Hours 8:00 a.m. to 4:30 p.m.

Laboratory Services Rule Chapter 305

Laboratory Services Fee Schedule

Sample Collection and Submittal Forms

• Customer Profile


• Chain of Custody

State Environmental Laboratory Quality Assurance Plan 2013

This page last updated on May 1, 2013

Need to find an accredited environmental lab?
Do you want your lab to get certification? Click here to go to the Laboratory Accreditation Page