Selenium in Human Urine: A Tentative Maximum Allowable Concentration for Industrial and Rural Populations

Abstract

Results of 1517 estimations of selenium in the urine of exposed workers and 793 estimations in persons presenting themselves for a pre-employment examination are given. The causes of death of seventeen workers who had worked with selenium are compared with their expected death rate. A maximum allowable concentration of 0·1 mg/l of selenium in the urine is recommended both for persons exposed industrially to selenium and for a rural population.