The American Road & Transportation Builders Association
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AASHTO T 194-1997
Scope
The “Wet Combustion” method for the determination of soil organic matter is most applicable
when it is desired to determine the humus-like, easily-oxidized organic material to provide
information relating to the suitability of the soil for plant growth.
AASHTO T 194-1997 history
1997AASHTO T 194-1997 Standard Method of Test for Determination of Organic Matter in Soils by Wet Combustion