One of the most proven methods of testing corrosion potential is with Corrosion Coupons. The American Society of Corrosion Engineers has developed test method ASTM-G4-84 specifically testing iron pipes in plants and building. This test reports the corrosion rates and types of corrosion. It is very cost effective and proves the effectiveness of treating. Huguenot Laboratories Inc. believes it is in the best interest of owners to test before and after treatment in order to appreciate the cost effectiveness of protecting their capitol investment. This simple insertion probe is one of the many methods available which evaluate the potential of corrosion. Inquire about our other corrosion evaluation methods.