This document specifies the general requirements for the certification of personnel who perform non-destructive testing of concrete, reinforced concrete, or prestressed concrete (NDT-CE) in the following methods [a) through f)] respectively inspection tasks [g) through h)]: (a) rebound hammer; (b) magneto-inductive methods; (c) potential mapping; d) ground penetrating radar; e) ultrasonics; f) impact-echo; g) proof of compressive strength; h) proof of reinforcement.