The AA. have studied the weekly changes of haematic and urinary parameters of lead occupational exposure. For this aim, they have collected in 14 ceramic workers 3 blood samples for day and all urine samples for day and all urine samples from monday to friday. The PbB and FEP levels did not show significant variations during working week. The measurement of ALA in single urines shows that this parameter is characterized by remarkable fluctuations within the same day in all subjects examined. The correction of values by density gave negative results while the correction by creatinine decreases the daily fluctuations but only in some cases. The execution of test in urine of 24 hours seems to give the most reliable correlation with lead exposure levels because of its relative constancy during week.
Behavior during the work week of biological indicators of exposure to lead / Vivoli, Gianfranco; A., Berlin; Bergomi, Margherita; Borella, Paola; E., Caselgrandi; Fantuzzi, Guglielmina. - In: GIORNALE ITALIANO DI MEDICINA DEL LAVORO. - ISSN 0391-9889. - STAMPA. - 4:(1982), pp. 243-250.
Behavior during the work week of biological indicators of exposure to lead
VIVOLI, Gianfranco;BERGOMI, Margherita;BORELLA, Paola;FANTUZZI, Guglielmina
1982
Abstract
The AA. have studied the weekly changes of haematic and urinary parameters of lead occupational exposure. For this aim, they have collected in 14 ceramic workers 3 blood samples for day and all urine samples for day and all urine samples from monday to friday. The PbB and FEP levels did not show significant variations during working week. The measurement of ALA in single urines shows that this parameter is characterized by remarkable fluctuations within the same day in all subjects examined. The correction of values by density gave negative results while the correction by creatinine decreases the daily fluctuations but only in some cases. The execution of test in urine of 24 hours seems to give the most reliable correlation with lead exposure levels because of its relative constancy during week.
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