National Association of Testing Authorities, Australia
Scope of Accreditation
GSG Laboratories Pty Ltd
Site
Gladstone Laboratory
Accreditation No.
20956
Site No.
26047
Date of Accreditation
02 Jul 2026
Address
18 South Trees Drive
South Trees, QLD 4680
Australia
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 - Aggregate properties | Aggregates | Particle size distribution | Sieve analysis; Sieve analysis of material finer than 75 µm |
AS 1141.11.1, AS 1141.12 |
|
| Evaluation of geotechnical and civil construction material - Concrete, grout and mortar consistence in situ | Concrete, grout and mortar | Slump flow | Not applicable |
AS 1012.3.1 |
|
| Evaluation of geotechnical and civil construction material - Concrete, grout and mortar properties | Concrete, grout and mortar | Compressive strength; Mass per unit volume - Hardened concrete | Cylinder; Dimensions |
AS 1012.9, AS 1012.12.1 |
|
| Evaluation of geotechnical and civil construction material - Concrete, grout and mortar specimen manufacture and curing | Concrete, grout and mortar | Specimen manufacture and curing | Curing cylinder specimens in the laboratory; In situ manufacture and curing of cylindrical specimens |
AS 1012 8.1 |
|
| Evaluation of geotechnical and civil construction material - Soil classification | Soils | Linear shrinkage; Liquid limit; Moisture content; Plastic limit; Plasticity index; Sieve analysis; Weighted plasticity index | Casagrande; Cone; Drying oven; Fines ratio |
AS 1289.2.1.1, AS 1289.3.1.1, AS 1289.3.1.2,AS 1289.3.2.1, MR (Qld) Method Q105, AS 1289.3.3.1, AS 1289.3.3.2, AS 1289.3.4.1, MR (Qld) Method Q106, AS 1289.3.6.1, MR (Qld) Methods Q103A, AS 1289.3.9.1, AS 1289.3.9.2, MR (Qld) Method Q104A, MR (Qld) Method Q104D, MR (Qld) Method Q252, MR (Qld) Method Q253 |
|
| Evaluation of geotechnical and civil construction material - Soil compaction characteristics | Soils | Assignment of optimum moisture content/maximum dry density (OMC/MDD); Compaction to nominated levels; Dry density/moisture content relationship; Minimum and maximum dry density; Oversize material | Modified compactive effort; Oversize material treatment; Standard compactive effort |
AS 1289.5.1.1, MR (Qld) Method Q142A, AS 1289.5.2.1, MR (Qld) Method Q142B, AS 1289.5.4.2, MR (Qld) Method Q144A, MR (Qld) Method Q143, MR (Qld) Method Q145A, AS 1289.5.5.1 |
|
| Evaluation of geotechnical and civil construction material - Soil dispersion | Soils | Dispersion | Emerson class |
AS 1289.3.8.1, MR (Qld) Method Q168 |
|
| Evaluation of geotechnical and civil construction material - Soil field density | Soils | Characteristic field density values; Compaction control; Degree of saturation; Density - In situ; Dry density ratio; Relative compaction | Calculation; Hilf; Sand-cone |
AS 1289.5.3.1, MR (Qld) Method Q141B, AS 1289.5.4.1, AS 1289.5.7.1, MR (Qld) Method Q020, MR (Qld) method Q140A, MR (Qld) Method Q146 |
|
| Density - In situ; Field moisture content | Nuclear gauge |
AS 1289.5.8.1, MR (Qld) Method Q141A, MR (Qld) NGTM Method N01, MR (Qld) NGTM Method N02, MR (Qld) NGTM Method N03 |
|||
| Evaluation of geotechnical and civil construction material - Soil in situ penetration | Soils | Penetration - In situ | Dynamic cone |
AS 1289.6.3.2, MR (Qld) Method Q114B |
|
| Evaluation of geotechnical and civil construction material - Soil laboratory bearing properties | Soils | Bearing ratio | Remoulded specimens |
AS 1289.6.1.1, MR (Qld) Method Q113A, MR (Qld) Method Q113B, MR (Qld) Method Q113C |
|
| Evaluation of geotechnical and civil construction material - Soil pre-treatment | Soils | Soil pre-treatment | Not applicable |
AS 1289.1.1, MR (Qld) Method Q101, MR (Qld) Method Q101A, MR (Qld) Method Q101B MR (Qld) Method Q101G, MR (Qld) Method Q101H, MR (Qld) Method Q101J |
|
| Evaluation of geotechnical and civil construction material - Soil sample preparation | Soils | Preparation of disturbed samples | Not applicable | MR (Qld) Method Q255 | |
| Sample collection | Aggregates | Not applicable | Aggregate from a pavement; Aggregate from a stockpile; Site selection - Random sampling; Site selection - Random stratified sampling; Site selection by spot sampling |
AS 1141 3.1, MR (Qld) Method Q060, MR (Qld) Method Q061, MR (Qld) Method Q050 |
|
| Concrete, grout and mortar | Not applicable | Fresh concrete from a mixer; Fresh concrete from deposited concrete |
AS 1012.1 |
||
| Soils | Not applicable | Disturbed sampling from earthwork; Disturbed soil sampling from a face; Disturbed soil sampling from a pavement; Disturbed soil sampling from a stockpile; Disturbed soil sampling in situ; Site selection - Random sampling; Site selection - Random stratified sampling |
AS 1289.1.2.1, AS 1289.1.4.1, AS 1289.1.4.2 |
The only data displayed is that deemed relevant and necessary for the clear description of the activities and services covered by the scope of accreditation.
Grey text appearing in a SoA is additional freetext providing further refinement or information on the data in the preceding line entry.
Accreditation No.
20956
Site No.
26047
Print date
14 Jul 2026