State Environmental Laboratory Services Contact Information

 

Physical Address and Courier Delivery
Oklahoma Department of Environmental Quality
State Environmental Lab Services Division
707 N Robinson Ave
Oklahoma City, OK 73102

 

Mailing Address- U.S. Postal Service
Oklahoma Department of Environmental Quality
State Environmental Lab Services Division
P.O. Box 1677
Oklahoma City, OK 73101

 

Phone Numbers
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
Monday-Friday 8:00 a.m. to 4:30 p.m. (except State holidays)

Inclement weather may affect these hours. Call ahead before delivery.