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STATE ENVIRONMENTAL LABORATORY SERVICES

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Main SELS Phone Numbers:

Phone: 405-702-1000

Business Hours:

Monday – Friday
8:00 a.m. – 4:30 p.m.
Closed on State Holidays.
Inclement weather may affect operating hours. Call before delivery.

Street Address:

State Environmental Laboratory Services
Department of Environmental Quality
707 N Robinson
Oklahoma City, OK, 73102

Click to view on Google Maps
Click to download parking instructions.

Mailing Address:

State Environmental Laboratory Services
Department of Environmental Quality
P.O.Box 1677
Oklahoma City, OK, 73101-1677

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