One year field study of 400 lead workers on the effect of maintenance free respirator(MFR) to alleviate the lead burden revealed that MFR protection program with biological monitoring with simple measurement of zinc protoporphyrin in whole blood could be applied as an interim method to prevent lead workers from lead burden even in fairly bad working condition until fundamental environmental control will be taken in korea.
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Occupational Health Management in the Lead Industry: The Korean Experience Byung-Kook Lee Safety and Health at Work.2011; 2(2): 87. CrossRef