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Titolo:
PH ISOTOPIC COMPOSITION OF AIRBORNE PARTICULATE MATERIAL FROM FRANCE AND THE SOUTHERN UNITED-KINGDOM - IMPLICATIONS FOR PB POLLUTION SOURCES IN URBAN AREAS
Autore:
MONNA F; LANCELOT J; CROUDACE IW; CUNDY AB; LEWIS JT;
Indirizzi:
INST FA FOREL,10 ROUTE SUISSE CH-1290 VERSOIX SWITZERLAND UNIV MONTPELLIER 2,LAB GEOCHIM ISOTOP,CNRS,URA 1763 F-34095 MONTPELLIER 05 FRANCE SOUTHAMPTON OCEANOG CTR,DEPT GEOL SOUTHAMPTON SO14 3ZH HANTS ENGLAND BRUNEL UNIV,DEPT GEOG & EARTH SCI LONDON TW7 5DU ENGLAND
Titolo Testata:
Environmental science & technology
fascicolo: 8, volume: 31, anno: 1997,
pagine: 2277 - 2286
SICI:
0013-936X(1997)31:8<2277:PICOAP>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
STABLE LEAD ISOTOPES; ATMOSPHERIC LEAD; RATIOS; SEDIMENTS; POND; ESTUARIES; EMISSIONS; TRANSPORT; AEROSOLS; TRACERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
36
Recensione:
Indirizzi per estratti:
Citazione:
F. Monna et al., "PH ISOTOPIC COMPOSITION OF AIRBORNE PARTICULATE MATERIAL FROM FRANCE AND THE SOUTHERN UNITED-KINGDOM - IMPLICATIONS FOR PB POLLUTION SOURCES IN URBAN AREAS", Environmental science & technology, 31(8), 1997, pp. 2277-2286

Abstract

Pb isotopic studies of airborne particulate matter, incinerator ash, and gasoline have been carried out to determine sources of Pb pollution in urban areas from France and the southern United Kingdom. Pb-206/Pb-207 ratios in gasoline range from 1.061 to 1.094 (average values are1.084 for France and 1.067 for the U.K.) while for industrially-derived Pb, Pb-206/Pb-207 ratios vary from 1.143 to 1.155. Natural Pb is more radiogenic and literature values for pre-industrial sediments give Pb-206/Pb-207 ratios of 1.19-1.20 in France and 1.17-1.19 in the U.K. The measured Pb isotopic signature of airborne particulate matter reflects the relative importance of each of these sources, and samples taken from urban areas close to traffic in France and the U.K. show Pb-206/Pb-207 ratios that vary widely from 1.085 to 1.158. While alkyl-leadadditives in gasoline are typically still the dominant source of Pb in urban particulate matter, the relative importance of gasoline-derived Pb has decreased, and as a result other sources (industrial and natural) can be identified using isotopic studies. This is a consequence of recent EU environmental legislation that significantly limits concentrations of Pb in gasoline and the increased market penetration of unleaded gasoline. In addition, at a given location, the Pb isotopic composition of particulate matter can vary considerably due to temporal variations in sources (i.e., variations in traffic density) and with wind direction.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/07/20 alle ore 05:22:48