National Association of Testing Authorities, Australia
Scope of Accreditation
Earth Materials Classification Trust - Earth Materials Classification
Site
Earth Materials Classification
Accreditation No.
18548
Site No.
20475
Date of Accreditation
15 Jul 2011
Contact
Availability
Services available to external clients
Scope of Accreditation
ISO/IEC 17025 (2017)
Infrastructure and Asset Integrity
| Service | Product | Determinant | Technique | Procedure | Limitations |
|---|---|---|---|---|---|
| Evaluation of geotechnical and civil construction material - Soil chemical properties | Soils | Calcium carbonate content | Not applicable |
MRWA Method WA915.1 |
|
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Plastic limit | Not applicable |
AS 1289.3.2.1 MRWA Method WA121.1 |
|
| Liquid limit | Casagrande four point |
AS 1289.3.1.1 MRWA Method WA120.1 |
|||
| Plasticity index | Cone |
AS 1289.3.3.2 MRWA Method WA122.1 |
|||
| Liquid limit | Cone four point |
AS 1289.3.9.1 MRWA Method WA120.2 |
|||
| Liquid limit | Cone one point |
AS 1289.3.9.2 |
|||
| Moisture content | Drying oven |
AS 1289.2.1.1 MRWA Method WA110.1 |
|||
| Particle density | Not applicable |
AS 1289.3.5.1 |
|||
| Liquid limit | Casagrande one point |
AS 1289.3.1.2 |
|||
| Linear shrinkage | Not applicable |
AS 1289.3.4.1 MRWA Method WA123.1 |
|||
| Sieve analysis | Not applicable |
AS 1289.3.6.1 MRWA Method WA115.1, MRWA Method WA115.2 |
|||
| Plasticity index | Casagrande |
AS 1289.3.3.1 MRWA Method WA122.1 |
|||
| Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Dry density/moisture content relationship | Modified compactive effort |
AS 1289.5.2.1 MRWA Method WA133.1, MRWA Method WA133.2 |
|
| Dry density/moisture content relationship | Standard compactive effort |
AS 1289.5.1.1 MRWA Method WA132.1, MRWA Method WA132.2 |
|||
| Evaluation of geotechnical and civil construction material - Soil dispersion | Soils | Dispersion | Emerson class |
AS 1289.3.8.1 |
|
| Dispersion | Percentage (%) |
AS 1289.3.8.2 |
|||
| Evaluation of geotechnical and civil construction material - Soil fine particles | Soils | Fine particle analysis | Hydrometer |
AS 1289.3.6.3 |
|
| Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Bearing ratio | Remoulded specimens |
AS 1289.6.1.1 MRWA Method WA141.1 |
|
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Not applicable |
AS 1289.1.1 MRWA Method WA105.1 |
|
| Evaluation of geotechnical and civil construction material - Soil stabilisation | Soils | Compressive strength | Uniaxial unconfined |
AS 5101.4 MRWA Method WA143.1 |
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Accreditation No.
18548
Site No.
20475
Print date
24 Aug 2026