QUALITY ASSURANCE DURING NATIONWIDE SURVEY OF NATURAL RADIOACTIVE CONCENTRATION IN WATERS IN CHINA
Sha Lianmao ;Zhu Zhennan; Chen Shi(China Institute for Radiation Protection,Taiyuan, 030006)
During the time period of 1983-1990, NEPA organized to carry out the inverstigation on natural environmental radioactivity level all over China. China Institute for Radiation Protection (CIRP) was entgaged as a quality assurance and technical advisory unit.This paper is a summary report of the Quality Assurance Group for the survey of natural radionuclides contents in waters. Quality management during survey, traceableness and comparableness for the values of radionuclides in waters between different laboratories and quality control in laboratories were discused in the paper.