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The radiological impact on EC Member States of routine discharges to North European waters (1989)

Author	Project Marina, Charles, Jones, Cooper, NRPB
Date	April 1989
Classification	6.01.4.60/25 (RADIATION - AROUND FACILITIES)
Front

THE RADIOLOGICAL IMPACT ON EC MEMBER STATES OF ROUTINE DISCHARGES INTO
NORTH EUROPEAN WATERS. REPORT OF WORKING GROUP IV OF CEC PROJECT MARINA

D. Charles*, M. Jones and J.R. Cooper

ABSTRACT

This report gives information about the radiological impact on the population
of the European community of routine liquid discharges into northern European
marine waters from European civil nuclear sites. Discharge data were provided by
Working Group I of Project MARINA, comprising releases directly or indirectly into
these waters from 72 sites for the period spanning from the start of their operations
to the end of 1984, and to the end of 1986 for reprocessing plants.
Mathematical models were used to calculate the dispersion of radioactivity in the
marine environment and the resulting exposure of the EC population. The collective
effective dose equivalent commitments and collective dose rates to the EC population
arising from the discharges, delivered via marine pathways of exposure, are
calculated.
The collective dose rate to the EC population from liquid discharges is estimated to
have peaked in 1979 at around 330 man Sv y- 1 ; the total radiological impact of
discharges to the end of the year 1984 is estimated to be about 5500 man Sv.
For comparative purposes, the impact of past disposal of solid low-level radioactive
waste in the northeast Atlantic, nuclear weapons test fallout, fallout from the
Chernobyl accident, and naturally occurring radionuclides have also been calculated.

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