ASTM D2709
WATER AND SEDIMENT IN MIDDLE DISTILLATE FUELS BY CENTRIFUGE.
This test method covers the determination of the volume of free water and sediment (as a percentage of the sample) that is suspended in the bulk fuel in middle distillate fuels with viscosities in the range of 1.0?mm2/s to 4.1?mm2/s at 40?°C (1.0?cSt to 4.1?cSt at 104?°F) and densities in the range of 770?kg/m3 to 900?kg/m3 at 15?°C.