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Earth Test is a NATA accredited laboratory


Soil & Aggregate Testing

Earth Test offer a full range of NATA accredited soil and aggregate testing services - more than 30 years of experience with testing for property developments, public roads and quarries.

Visit the NATA Association website to view our full scope of accreditation.


Accreditation for Aggregates

2.16 Aggregates
   .02 Sampling of aggregates
AS 1141 3.1
MR (Qld) Methods Q060, Q061
Sampling from a bin, truck, stockpile, pavement; spot sampling of soils, crushed rock and aggregate
   .11 Bulk density
AS 1141 4
MR (Qld) Methods Q221A, Q221B
Uncompacted and compacted bulk density
   .13 Particle size distribution
AS 1141 11.1, 12
Sieve analysis; material finer than 75μm
   .16 Particle shape tests
AS 1141 14, 15
MR (Qld) Methods Q201, Q213, Q215
Proportional calliper; flakiness index; crushed faces
   .20 Aggregate strength tests
AS 1141 21, 22
MR (Qld) Methods Q204A, Q204B, Q205A, Q205B, Q205C
Aggregate crushing value; wet/dry strength variation
   .24 Contaminants
AS 1141 32, 33
MR (Qld) Method Q217
Weak particles; clay and fine silt

Accreditation for Soils

2.18 Soils
   .01 Sampling
AS 1289 1.2.1, 1.3.1
MR (Qld) Methods Q060, Q061
Disturbed sampling from a stockpile, pavement, in-situ, face; disturbed sampling by hand-auger; spot sampling of soils, crushed rock and aggregates
   .02 Site selection
AS 1289 1.4.1, 1.4.2
MR (Qld) Method Q050
Site selection by random, random stratified and systematic random stratified number
   .03 Sample preparation
AS 1289 1.1
MR (Qld) Method Q101
   .11 Classification tests
AS 1289 2.1.1, 3.1.1, 3.1.2, 3.2.1, 3.3.1, 3.3.2, 3.4.1, 3.6.1, 3.8.1, 3.9.1, 3.9.2
MR (Qld) Method Q010, Q102A, Q102C, Q102D, Q103A, Q103B, Q104A, Q104D, Q105, Q106
Moisture content (oven drying, sand bath); correlation of subsidiary versus standard method; liquid limit (Casagrande); plastic limit; cone plastic limit; plasticity index; cone plasticity index; linear shrinkage; sieve analysis; Emerson class number
   .32 Compaction tests
AS 1289 5.1.1, 5.2.1, 5.4.2
MR (Qld) Methods Q142A, Q142B, Q144A, Q145A
Standard and modified compaction; assignment of OMC and MDD
   .35 Field density tests
AS 1289 5.3.1, 5.4.1, 5.6.1, 5.7.1
MR (Qld) Methods Q141B, Q143, Q140A, Q140B, Q142C, Q146
Field density (sand-cone); dry density ratio, moisture variation and moisture ratio; density index; compaction control - Hilf method; dry density-moisture relationship (Hilf rapid method)
   .42 Bearing strength tests - laboratory
AS 1289 6.1.1
MR (Qld) Methods Q113A, Q113B, Q113C
Bearing ratio (remoulded specimens)
   .47 Strength and penetration tests - field
AS 1289 6.3.2, 6.3.3
MR (Qld) Method Q114B
Penetration (dynamic-cone, Perth sand penetrometer