Sets out method for the determination of particle size distribution in coarse and fine aggregates by sieving. The amount passing a 75 m sieve may be determined using this method when samples are washed over a 75 m sieve. If the percentage of material passing a 75 m sieve is specified, the procedures detailed in Clause 6.6 of this method or in AS 1141.12 apply. KEYWORDS: Aggregates; Particle; Size; Sieving.