ASTM A239-95(1999)
Standard Practice for Locating the Thinnest Spot in a Zinc (Galvanized) Coating on Iron or Steel Articles
standard by ASTM International, 01/01/1999
ASTM D5101-99
Standard Test Method for Measuring the Soil-Geotextile System Clogging Potential by the Gradient Ratio
standard by ASTM International, 01/01/1999