International Specifications Light Weight Deflectometer TERRATEST 9000 LWD meets the following international specifications:ASTM E2583-07 (2015CEN TS 17006:2016BS EN 1924-2:2018UNI11531-1 (ANAS ITALIA)TPF 5 (285)NCHRP 10-84CD 225 Design for new Pavement Foundations