Terracon Consultants
11133 I-45 South, Building T, 77302, Conroe, TX, United States
Visit website- Accredited standards
- 36
- A2LA certificates
- 2
- Sites in our directory
- 3
What this lab is accredited for
Our reading of the A2LA scope: each standard once, with its official name where we have checked it.
Only this lab. Searches the 36 standard numbers and the 0 official names we hold. When no standard matches, it searches the method text of every scope line.
ASTM36
ASTM C31
ASTM C39
ASTM C42
ASTM C117
ASTM C127
ASTM C128
ASTM C136
ASTM C138
ASTM C143
ASTM C172
ASTM C174
ASTM C192
Show all 36
ASTM C231
ASTM C617
ASTM C780
ASTM C1064
ASTM C1077
ASTM C1231
ASTM C1731
ASTM C10191
ASTM D75
ASTM D558
ASTM D698
ASTM D1140
ASTM D1557
ASTM D2166
ASTM D2216
ASTM D2487
ASTM D3549
ASTM D3665
ASTM D3740
ASTM D4318
ASTM D4718
ASTM D24881
ASTM D69381
ASTM E329
ASTM C1077; ASTM D3740; ASTM E329; ASTM C117; ASTM C127; ASTM C128; ASTM C136/C136M; ASTM D75/D751; ASTM D3665; ASTM D3549/D3549M; ASTM C31/C31M1; ASTM C39/C39M; ASTM C42/C42M; ASTM C138/C138M1; ASTM C143/C143M1; ASTM C172/C172M1; ASTM C1731; ASTM C174/C174M
ASTM C192/C192M; ASTM C231/C231M1; ASTM C617; ASTM C1064/C1064M1; ASTM C1231/C1231M; ASTM C780 Annex A.6; ASTM C10191; ASTM D558; ASTM D698; ASTM D1140; ASTM D1557; ASTM D2216; ASTM D2487; ASTM D24881; ASTM D4318; ASTM D4718; ASTM D69381; AWS D1.1; AWS D1.3; AWS D1.4; AWS D1.5; AISC 360; RCSC
ASTM D698; ASTM D1140; ASTM D1557; ASTM D2166; ASTM D2216; ASTM D2487; ASTM D4318; ISO/IEC 17025:2017
Read from the A2LA scope documents we downloaded on 2026-03-14 and 2026-10-27. Register refreshed 2026-11-06.
Scope as published by A2LA
5 lines
ISO/IEC 17025
Active479.05
The scope document we hold says it is valid until 2027-04-30.
Accredited scope, certificate 479.05
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | ASTM C1077; ASTM D3740; ASTM E329; ASTM C117; ASTM C127; ASTM C128; ASTM C136/C136M; ASTM D75/D751; ASTM D3665; ASTM D3549/D3549M; ASTM C31/C31M1; ASTM C39/C39M; ASTM C42/C42M; ASTM C138/C138M1; ASTM C143/C143M1; ASTM C172/C172M1; ASTM C1731; ASTM C174/C174M | Concrete; Soil; Rock; Aggregates; Bituminous Paving Mixture | - |
| 2 | ASTM C192/C192M; ASTM C231/C231M1; ASTM C617; ASTM C1064/C1064M1; ASTM C1231/C1231M; ASTM C780 Annex A.6; ASTM C10191; ASTM D558; ASTM D698; ASTM D1140; ASTM D1557; ASTM D2216; ASTM D2487; ASTM D24881; ASTM D4318; ASTM D4718; ASTM D69381; AWS D1.1; AWS D1.3; AWS D1.4; AWS D1.5; AISC 360; RCSC | Concrete; Mortars; Grout; Soils; Soil-Cement Mixtures; Soil-Aggregate; Steel | - |
| 3 | ISO/IEC 17025:2017 | - | - |
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
ISO/IEC 17025
Active479.06
The scope document we hold says it is valid until 2027-04-30.
Accredited scope, certificate 479.06
| Line | Method | Matrix | Range |
|---|---|---|---|
| 1 | ASTM D698; ASTM D1140; ASTM D1557; ASTM D2166; ASTM D2216; ASTM D2487; ASTM D4318; ISO/IEC 17025:2017 | Soil | - |
| 2 | Extracted from the scope document; tables may not line up. View scope for the original. For the tests to which this accreditation applies, please refer to the laboratory’s Geotechnical Scope of Accreditation.
Accredited Laboratory
A2LA has accredited
TERRACON CONSULTANTS, INC.
Conroe, TX
for technical competence in the field of
Geotechnical Testing
This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017
General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates
technical competence for a defined scope and the operation of a laboratory quality management system
(refer to joint ISO-ILAC-IAF Communiqué dated April 2017).
Presented this 21st day of May 2025.
_______________________
Mr. Trace McInturff, Vice President, Accreditation Services
For the Accreditation Council
Certificate Number 0479.06
Valid to April 30, 2027 | ||
Ranges are reproduced from the accredited scope document as published, and only where we found that range printed in the document for the line. Otherwise the cell reads “See scope document”. An absent range means the register did not state one. Line numbers are ours, for cross-reference; they follow the order of the scope document.
Location
Other Locations
2 other sites in this organization
Labs with overlapping accredited scope in United States
- QUARTET ENGINEERS CORPORATIONHouston, TX · ~62 kmA2LAShares 3 accredited methods and materialsASTM C1077ASTM D698Soil
- Geotech Engineering and Testing, LTD dba Geotech Engineering and TestingHumble, TX · ~39 kmA2LAShares 2 accredited test methodsASTM C1077ASTM D698
- A&R Engineering and TestingHouston, TX · ~53 kmA2LAShares 2 accredited test methodsASTM C1077ASTM D698
- Alliance Geotechnical Group HoustonHouston, TX · ~62 kmA2LAShares 2 accredited test methodsASTM C1077ASTM C617
- ECS Southwest LLPHouston, TX · ~62 kmA2LAShares 2 accredited test methodsASTM C1077ASTM C617
Accreditation data refreshed from the A2LA register on .
This page mirrors a public register. For a purchasing, audit or regulatory decision, confirm against the A2LA entry linked above.