The American Association for Laboratory Accreditation
SCOPE OF ACCREDITATION TO ISO/IEC 17025:2055
GEOTECHNICAL
Certificate: 2021.02
In recognition of the successful completion of the A2LA evaluation process (including as assessment of the laboratory’s compliance with the A2LA R29 – specific Requirements of Harris County/Houston, TX:
Geotechnical Engineering Testing Laboratory Accreditation Program, accreditation is granted to this laboratory to perform the following tests under the ASTM recommended practice D3740:
| Test Method |
Test |
ASTM D421 |
Dry Preparation of soil samples for Particle-Size Analysis and determination of Soil constants |
ASTM D422 |
Particle Size Analysis of Soils |
ASTM D698 |
Moisture-Density Relations
(Standard Protocol) |
ASTM D854 |
Specific Gravity of Soil |
ASTM D1140 |
Amount of material in soils finer that No. 200 Sieve |
ASTM D1557 |
Moisture-Density Relations (Modified Protocol) |
ASTM D1883 |
CBR (California Bearing Ration) of Laboratory-Compacted Soils |
ASTM D2266 |
Unconfined Compressive Strength of Cohesive Soil |
ASTM D2216 |
Water Content of Soil, Rock &Soil-Aggregate Mixtures |
ASTM D2435 |
One-dimensional Consolidation Properties of Soils |
ASTM D2487 |
Classification of soils for Engineering Purposes |
ASTM D2850 |
Undrained, Unconsolidated Strength in Triaxail Compression |
ASTM D4318 |
Liquid Limit. Plastic Limits & Plasticity Index of Soils |
ASTM D4546 |
One-Dimensional-Swell or Settlement Properties of Cohesive Soils |
CONSTRUCTION MATERIAL ENGINEERING
Certificate: 2021.01
In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following test:
Test Method |
Test |
ASTM |
E329 (material) |
|
C1077 (concrete) |
|
D3666 (bituminous) |
|
D3740(Soil & Rock) |
CONSTRUCTION MATERIAL TESTING
Certificate: 2021.01
In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following test:
Concrete : ASTM |
C31*,C39,C78,C138*,C143*,C172*,C173*,C192,C231*,C293,C617,C1064*,C1231 |
Aggregates: ASTM |
C29,C40,C70,C117,C127,C128,C136,C142,C566,C702,D75* |
Cement: ASTM |
C109 (compression only) |
Soils: ASTM |
D558,D698,D854,D1140,D1557,D16331,D2216,D2487,D2488*,D4318,D6938* |
Bituminous: ASTM |
D979,D2950,D3665,D5361 |
Bituminous: TX DOT |
200F, 206F,2017 (Section 1),227F,236F |
|
