The American Road & Transportation Builders Association
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AASHTO T 290-1995
Scope
4.1. This method covers the dry preparation of soil and soil-aggregate samples, as received from the
field, for use in determining the sulfate ion content in soils.
AASHTO T 290-1995 history
1995AASHTO T 290-1995 Standard Method of Test for Determining Water-Soluble Sulfate Ion Content in Soil