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Abstract

This interim report describes the work so far carried out in the framework of the project ILE (Isotopic Lead Experiment), a large scale field study to determine the percentage of petrol lead in human blood lead. An almost complete exchange (+- 90%) of the usual petrol lead, was arranged for the petrol distributed in the Northern Italian Region of Piedmont; for the period 1977 - 1979 petrol lead had an isotopic ratio of 206-Pb/207-Pb around 1.06. After the date 1979 the ratio was allowed to increase again. The major results obtained so far are: the yearly average airborne lead concentration in Turin was estimated around 2.0 mug/m**3, that in the countryside zones was 0.56 mug/m**3 and 0.33 mug/m**3 respectively. The average male blood lead concentrations are slightly higher for the rural area than for the city of Turin, and there is no apparent correlation with the airborne lead concentration. The average isotopic ratio Pb-206/Pb-207 in adult blood decreased during 1975 - 1979 from 1.1628 to 1.1325 in Turin, this area showing the greatest change. Uncertainties stem mostly from the apparently continuing decrease of blood lead isotopic ratio on 1979.

Additional information

Authors: FACCHETTI S, JRC ISPRA ESTAB. (ITALY);ASSORENI, MILANO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY);GEISS F, JRC ISPRA ESTAB. (ITALY);ASSORENI, MILANO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY);GAGLIONE P, JRC ISPRA ESTAB. (ITALY);ASSORENI, MILANO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY);COLOMBO A, JRC ISPRA ESTAB. (ITALY);ASSORENI, MILANO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY);GARIBALDI G, JRC ISPRA ESTAB. (ITALY);ASSORENI, MILANO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY);SPALLANZANI G, JRC ISPRA ESTAB. (ITALY);ASSORENI, MILANO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY);GILLI G JRC ISPRA ESTAB. (ITALY), JRC ISPRA ESTAB. (ITALY);ASSORENI, MILANO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY);ASSORENI, MILANO (ITALY), JRC ISPRA ESTAB. (ITALY);ASSORENI, MILANO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY), JRC ISPRA ESTAB. (ITALY);ASSORENI, MILANO (ITALY);HYGIENE INSTITUTE, UNIVERSITY OF TORINO (ITALY)
Bibliographic Reference: EUR 8352 EN (1984) MF, 115 P., BFR 240, BLOW-UP COPY BFR 575, EUROFFICE, LUXEMBOURG, POB 1003
Availability: Can be ordered online
Record Number: 1989123080500 / Last updated on: 1987-01-01
Category: PUBLICATION
Available languages: en