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Baseline levels of PCDD/Fs in soil and herbage samples collected in the vicinity of a new hazardous waste incinerator in Catalonia, Spain.

Abstract：

:The construction in Constanti (Catalonia, Spain) of a new hazardous waste incinerator (HWI), which is the first one in Spain, finished in 1999. In order to determine the temporal variation (1996-1998) in the concentrations of polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) in the vicinity of the new HWI, 40 soil and 40 herbage samples were collected (1998) at the same sampling points in which samples had been taken two years before (1996). Each sample was analyzed for PCDDs and PCDFs by high resolution gas chromatography/high resolution mass spectrometry. In the 1996 survey, PCDD/F concentrations in soils ranged from 0.13 to 24.20 ngl-TEQ/kg (d.m.), with median and mean values of 0.67 and 1.68 ngl-TEQ/kg (d.m.), respectively. In the present study, PCDD/F concentrations ranged from 0.12 to 17.20 ng I-TEQ/kg (d.m.), with a median value of 0.75 ng I-TEQ/kg (d.m.) and a mean value of 1.59 ng I-TEQ/kg (d.m.). In turn, in the present study PCDD/F concentrations in vegetation ranged from 0.14 to 2.01 ng I-TEQ/kg(d.m.) (median and mean values: 0.23 and 0.31 ng I-TEQ/kg, respectively), while in the 1996 survey PCDD/F concentrations ranged from 0.24 to 1.22 ngl-TEQ/kg (d.m.) (median and mean values: 0.53 and 0.61 ng I-TEQ/kg. respectively). According to the present (1998) and the previous (1996) levels of PCDD/Fs found in soils and vegetation, the area under potential influence of the new facility shows a rather low contamination by these compounds. The current results should be useful to establish the environmental impact of the HWI.

journal_name

Chemosphere

journal_title

Chemosphere

authors

Schuhmacher M,Agramunt MC,Rodriguez-Larena MC,Díaz-ferrero J,Domingo JL

doi

10.1016/s0045-6535(01)00249-1

subject

Has Abstract

pub_date

2002-03-01 00:00:00

pages

1343-50

issue

9-10

eissn

0045-6535

issn

1879-1298

pii

S0045-6535(01)00249-1

journal_volume

46

pub_type

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