external exposure facility Calibration and Dosimetry Laboratory The Calibration and Dosimetry Laboratory at INTE (Polytechnic University of Catalonia) is an accredited Secondary Standard Dosimetry Laboratory providing photon (1 μGy/h–54 mGy/h), X-ray (0.1 mGy/h–10 Gy/h) and beta particle irradiation fields for calibration and research. It maintains national reference standards and supports dosimetry research, personal dosimeter testing and detector development. External users require authorisation from the Technical Director and approval from the Management Committee. Located at INTE (Institut de Tècniques Energètiques). Paul Schofield website