AASHTO Standards:
M231, Weighing Devices Used in the Testing of Materials.
T19M/T 19, Bulk Density (“Unit Weight”) and Voids in Aggregate.
T99, Moisture-Density Relations of Soils Using a 2.5kg (5.5-lb) Rammer and a 305-mm (12- in) Drop.
T127, Determination of Moisture in Soils by Means of a Calcium Carbide
Gas Pressure Moisture Tester.
T265, Laboratory Determination of Moisture Content of Soils.
ASTM Standards:
D4643, Standard Test Method for Determination of Water Content of Soil by Microwave Oven Heating.
D4959, Standard Test Method for Determination of Water Content of Soil by Direct Heating.
E29, Standard Practice for using Significant Digits in Test Data to
Determine Conformance with Specification.
