1. ASTM D2216–10, 2010. Standard test methods for laboratory determination of water (moisture) content of soil and rock by mass. ASTM International.
2. ASTM D2974, 2020. Standard test methods for determining the water (moisture) content, ash content, and organic material of peat and other organic soils. ASTM International.
3. ASTM D422–63, 2014. Standard test method for particle-size analysis of soils 1. ASTM International.
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