A: Yes! ASTM D8231-19 is the standard practice for locating breaches in roofing and waterproofing membranes. This ASTM practice was built upon the existing standard guide D7877-14, and created a more detail oriented approach to Electronic Leak Detection (ELD). D7877-14 is the guideline for all four ELD testing methods. Vector mapping and high voltage can not comply with the ASTM D8231-19.