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AS 4816.1-2002

Determination of particle size distribution by gravitational liquid sedimentation methods – General principles and guidelines
standard by Standards Australia, 01/01/2002

AS 4479.2-1997

Analysis of soils – Extraction of heavy metals and metalloids from soil by aqua regia – Hotplate digestion method
standard by Standards Australia, 01/01/1997

AS 4292.4-1997

Railway safety management – Signalling and telecommunications systems and equipment
standard by Standards Australia, 01/01/1997