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National Testing Labs

National Testing Laboratories, Ltd. Network

We have expanded our business hours to better serve our customer needs.  Our Technical Service Representatives are available Monday through Friday from 7:00 a.m. till 5:00 p.m (ET).  We are here to assist you with all of your water testing concerns and questions. 

Corporate Headquarters:

National Testing Laboratories
6571 Wilson Mills Rd.
Cleveland, Ohio 44143

Phone: (440) 449-2525 or Toll-free (800) 458-3330
Fax: (440) 449-8585
E-mail: ntlsales@ntllabs.com

*  All correspondence should be directed to corporate headquarters.

Lab Locations:

All water samples must be returned to the lab specified on your sampling instructions.  Please do not ship samples to the corporate headquarters.

National Testing Laboratories, Ltd.
556 South Mansfield St.
Ypsilanti, Michigan 48197

Environmental Hazards Services, LLC
7469 White Pine Rd.
Richmond, Virginia 23237
Phone: (804) 275-4788
Fax: (804) 275-4907
E-mail: ktyler@leadlab.com
Website: www.leadlab.com

Environmental Hazards Services, LLC (EHS) of Richmond, Virginia is an analytical testing laboratory specializing in the analysis of environmental and industrial hygiene samples, primarily the detection of asbestos in bulk samples (PLM), quantification of airborne fiber concentrations (PCM), detection and quantification of metals in various media (paint chips, wipes, air, building debris, soil), and other parameters as needed. EHS provides its services to government, private, business and residential clients. EHS is committed to providing quality services to its clients through the application of a knowledgeable staff to good laboratory practices and strict adherence to the Quality Assurance/Quality Control Program.