WACEL Accredited Laboratories as of 09/08/2010

Laboratory	Expiration	Accreditation Type
ATC Associates, Inc. Columbia, MD	03/29/2012	Soils Concrete
Atlantic Geotechnical Services, Inc. Ashland, VA	02/14/2011	Soils Concrete
Burgess & Niple Chantilly, VA	12/13/2010	Soils Concrete
Campbell & Nolan Associates, Inc. Aberdeen, MD	04/11/2013	Soils Concrete
CTI Consultants, Inc. Chantilly, VA	02/01/2012	Soils Concrete
CTI Consultants, Inc. Gaithersburg, MD	07/20/2013	Soils Concrete
Eastern Testing & Inspection Potomac, MD	01/12/2013	Concrete
Eastern Testing & Inspection Ijamsville, MD	01/12/2013	Concrete
ECS Mid-Atlantic Fredericksburg, VA	10/30/2011	Soils Concrete
ECS Mid-Atlantic Chantilly, VA	07/13/2012	Soils Concrete
ECS Mid-Atlantic Winchester, VA	04/26/2012	Soils Concrete
ECS Mid-Atlantic Frederick, MD	02/26/2012	Soils Concrete
ECS Mid-Atlantic Hanover, MD	05/17/2012	Soils Concrete
ECS Mid-Atlantic Waldorf, MD	07/27/2013	Soils Concrete
ECS Mid-Atlantic Manassas, VA	10/02/2011	Soils Concrete
EM Tech Manassas, VA	08/17/2011	Soils Concrete
EMSI Engineering, Inc. Manassas, VA	09/01/2013	Soils Concrete
EnCon Consulting Services, Inc. Oakton, VA	05/06/2013	Concrete Soils
FMC & Associates, LLC Washington, DC	05/19/2012	Concrete Soils
Froehling & Robertson, Inc. Sterling, VA	04/11/2013	Soils Concrete
Froehling & Robertson, Inc. Fredericksburg, VA	04/13/2013	Soils Concrete
Geo-Technology Associates, Inc. Laurel, MD	06/17/2011	Soils Concrete
Geo-Technology Associates, Inc. Sterling , VA	03/29/2012	Soils Concrete
Geotechnical Consulting & Testing, Inc. Dulles, VA	04/18/2013	Soils Concrete
Hillis-Carnes Engineering Associates, Inc. Chantilly, VA	10/22/2010	Soils Concrete
MACTEC Engineering & Consulting, Inc. Ashburn, VA	07/29/2013	Soils Concrete
Professional Service Industries, Inc. Fairfax, VA	10/18/2012	Soils Concrete
Schnabel Engineering Consultants, Inc. Baltimore, MD	10/20/2010	Soils Concrete
Schnabel Engineering Consultants, Inc. Gaithersburg, MD	01/11/2011	Concrete
Soil Consultants, Inc. Manassas, VA	06/10/2013	Soils Concrete
Specialized Engineering Frederick, MD	06/15/2011	Soils Concrete
Specialized Engineering Hanover, MD	06/09/2011	Soils Concrete
The Robert B. Balter Company Washington, DC	11/03/2012	Concrete
Triad Engineering, Inc. Ashburn, VA	01/31/2013	Concrete
WDP & Associates, Inc. Manassas, VA	11/11/2012	Soils Concrete