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Vsebnost prvin v tleh, cestnem in hišnem prahu na območju Žalca = the content of elements in soil, housedust and road dust in the area of Žalec : diplomsko deloStevanović, SandraDa bi ugotovili potencialni vpliv prašenja livarne na okolje, smo v Žalcu in njegovi okolici odvzeli 12 vzorcev hišnega prahu, 72 vzorcev cestnega prahu in 12 vzorcev tal. Vzorci so bili odvzeti na ... različnih oddaljenostih od livarne. Kemijske analize so zajele 47 kemičnih prvin, statistična obdelava rezultatov pa je bila narejena na 16 prvinah, ki bi jih lahko emitirala v zrak livarna. Rezultati Kruskal-Wallisove ananlize variance so pokazali, da jev okolici livarne v cestnem prahu na ravni tveganja 0,05 povišana vsebnost Ni in Mo. Rezultati analize so v določenih vzorcih tal pokazali, da Cd, Ni, Pb in Zn lahko presegajo mejno vrednost vsebnosti prvin v tleh. Izračunane vrednosti faktorja obogatitve so pokazale, da je hišni prah glede na tla najbolj obogaten s Cd, Ce, Cr, Cu, Hg, Mo, Ni, Pb, Sn in Zn, cestni prah pa s Cu, Mo, Sn in Zn. Izračuni indeksa onesnaženja so pokazali, da je le-ta najvišji v hišnem prahu (8,37), nižji pa v cestnem prahu (3,44) in v tleh (2,65). To pomeni, da je mogoče govoriti o antropogenem vplivu predvsem pri hišnem prahu. Povišane vrednosti prvin kažejo povezanost z livarsko dejavnostjo v neposredni okolici (bližini) današnjih obratov lokalne livarne v občini Žalec, vendar ne predstavljajo okoljske obremenitve večjih razsežnosti. Vedje število vzorcev bi pripomoglo k boljši definiciji zaznanih vplivov, kakor tudi k ovrednotenju vplivov z večjim statističnim zaupanjem. Tveganje za zdravje ljudi je potrebno še detajlneje proučiti.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [S. Stevanović], 2014Language - slovenianCOBISS.SI-ID - 1179998
Author
Stevanović, Sandra
Other authors
Zupančič, Nina, 1963- |
Žibret, Gorazd
Topics
geokemija |
prvine |
onesnaženje |
hišni prah |
cestni prah |
tla
Library/institution |
City | Acronym | For loan | Other holdings |
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NTF, Department of Geology, Ljubljana | Ljubljana | NTFGEO |
outside loan 1 cop.
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Stevanović, Sandra | |
Zupančič, Nina, 1963- | 01384 |
Žibret, Gorazd | 23427 |
Source: Personal bibliographies
and: SICRIS
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