This procedure applies to soil with an organic matter (peat, humus and other) content not exceeding 5% of the dry soil mass. When the organic matter content of the soil is between 5% and 10%, the drying method is still allowed, but the organic matter content must be indicated.
SL 237-034-1999 history
1970SL 237-034-1999 Code for test of soil - moisture content test of frozen soil