Safety_Series_041_1975 - gnssn - International Atomic Energy ...

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CONTENTS
I. INTRODUCTION .......................................................................... 1
II.
III.
IV.
ASSESSMENT OF THE NEED FOR ENVIRONMENTAL
MONITORING AND DEFINITION OF ITS
OBJECTIVES ................................................................................. 3
O bjectives of environm ental surveys fo r
norm al situations .................................................................... 3
O bjectives of em ergen cy surveys .......................................... 4
RESPONSIBILITIES FOR THE DESIGN AND
IMPLEMENTATION OF ENVIRONMENTAL
MONITORING PROGRAMMES ................................................. 5
The op erator ................................................................................. 5
The com petent authorities ....................................................... 6
THE DESIGN OF ADEQUATE MONITORING
PROGRAMMES ............................................................................. 8
B asic fa ctors ................................................................................. 8
E ssential features of adequate program m es .................... 11
M onitoring of effluents on ly .................................................... 11
L im ited m onitoring progra m m es ......................................... 12
M onitoring p rogram m es fo r planned relea ses ................ 12
Surveys for use with unplanned re le a se s fro m an
installation ................................................................................. 14
V. CHARACTERISTICS OF MONITORING
PROCEDURES ................................................................................ 17
A. Planned re le a se s ................................................................. 17
B. Unplanned re le a se s ............................................................ 21
VI.
INTERPRETATION OF RESULTS OF
MONITORING PROCEDURES ................................................ 23
D eterm ination o f d oses to individual m em bers of the
public fro m planned re le a ses ............................................. 23
D eterm ination of dose to the whole population within
a selected region fro m planned re le a se s ...................... 23