Sample preparation

Soils, Stream and Lake Bottom Sediments, and Heavy Minerals

Code S1 Drying (60ºC) and sieving (-80 mesh) save all portions
Code S1 DIS Drying (60ºC) and sieving (-80 mesh), discard oversize
Code S1-230 Drying (60ºC) and sieving (-230 mesh), save oversize
Code S1-230 DIS Drying (60ºC) and sieving (-230 mesh), discard oversize
Code S2 Lake bottom sediment preparation crush & sieve (-80 mesh)
Code S3 Alternate size fractions and bracket sieving
Code S4 Selective Extractions or SGH/OSG drying (40ºC) sieving (-80 mesh)
Code S5 Wet or damp samples submitted in plastic bags, add