CERTIFICATE NUMBER

NAME

EXPIRED DATE

METHOD

147/UT/NC/22

AREVALLO JOHANES SIREGAR

05/09/2027

Ultrasonic Testing

156/MT/NC/22

AREVALLO JOHANES SIREGAR

01/08/2027

Magnetic Particle Testing

157/PT/NC/22

AREVALLO JOHANES SIREGAR

01/08/2027

Liquid Penetrant Testing