Viola Engineering, PC
Harrisonburg,
Virginia
View Accreditation Certificate
Mark
Viola
1356 North Main Street
Harrisonburg
,
Virginia
22802
Phone: (540) 434-0400
Fax: (540) 434-0447
mark@violaengineering.com
http://www.violaengineering.com
Quality Management System - accredited since 11/8/2010
R18, C1077 (Concrete), D3740 (Soil), E329 (Concrete), E329 (Soil)
Soil - accredited since 2/6/2012
R58, T89, T90, T99, T180, T193, T208, T288, T289, D698, D854, D1140, D1557, D2216, D2435, D2487, D2850, D2974, D4318, D4767, D5084, D6913, D7928
Rock - accredited since 6/4/2020
D4644
Concrete - accredited since 11/8/2010
C31 (Cylinders), C39, C138, C143, C172, C231, C511, C1064, C1231 (7000 psi and below)
Please note that our accreditations do not include an expiration date. An accreditation only expires when the laboratory fails to comply with our accreditation requirements.
* This information is only valid as of 8/11/2026. Please visit https://aashtoresource.org for current accreditation status.
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