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CH3041
CRITERIA FOR A.S. SOILS II
Soil            sulphur trail %   Acid trail
or sediment oxidisable sulphur    mol H+/t
texture                           (oven dry)  (oven dry)
Sands to loamy sands          0.03                18
Sandy loams to light clays   0.06                36
Medium-heavy & silty clays  0.1                 62
Soil or sediment texture:
Australian Soil and Land Survey – Field Handbook, RC McDonald ...(1990)
Sulphur trail : POCAS method.
                    or TOS for a screening estimate.
Acid trail   : POCAS method.