Alt & Witzig Engineering, Inc.
West Chester,
Ohio
View Accreditation Certificate
Eric
Sperber
6205 Schumacher Park Drive
West Chester
,
Ohio
45069
Phone: (513) 777-9890
Fax: (513) 777-9070
esperber@altwitzig.com
Quality Management System - accredited since 7/25/2012
R18, C1077 (Concrete), D3740 (Soil), E329 (Concrete), E329 (Soil), E329 (Sprayed Fire-Resistive Material)
Asphalt Mixture - accredited since 7/25/2012
R47, T30, T308, D5444, D6307
Soil - accredited since 7/25/2012
R58, T88, T89, T90, T99, T100, T134, T180, T193, T208, T216, T236, T265, T267, T296, T297, T310, D421, D422, D558, D698, D854, D1140, D1557, D1883, D2166, D2216, D2435, D2487, D2488, D2850, D2974, D4318, D4767, D5084, D6938
Aggregate - accredited since 7/25/2012
R76, T11, T27, C117, C136, C702
Sprayed Fire-Resistive Material - accredited since 7/25/2012
E605, E736
Concrete - accredited since 8/24/2012
M201, R60, R100 (Beams), R100 (Cylinders), T22, T97, T119, T121, T152, T196, T231 (10000 psi and below), T309, C31 (Beams), C31 (Cylinders), C39, C78, C138, C143, C172, C173, C231, C511, C617 (10000 psi and below), 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 2/28/2026. Please visit https://aashtoresource.org for current accreditation status.
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