Article (Scientific journals)
Human biomonitoring survey (Pb, Cd, As, Cu, Zn, Mo) for urban gardeners exposed to metal contaminated soils.
Petit, Jérôme C J; Maggi, Patrick; Pirard, Catherine et al.
2022In Environmental Pollution, 312, p. 120028
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Keywords :
Health risk assessment; Metal exposure; Soil contamination; Urban food production; Urinary and blood exposure biomarkers; Urinary arsenic speciation; Literature and Literary Theory; History; Cultural Studies
Abstract :
[en] Eighty eight adult gardeners and their relatives volunteered to provide urine and blood samples for a human biomonitoring survey among users of one of the biggest allotment garden from Wallonia, showing high trace metal(oid) concentrations in soils. The purpose was to determine if environmental levels of lead (Pb), cadmium (Cd) and arsenic (As) led to concentrations of potential health concern in the study population. Blood and urine biomarkers were compared to reference and intervention cut-off values selected from the literature. The study population exhibited (i) moderately high blood lead levels with median value of 23.1 μg/L, (ii) high urinary concentrations of speciated As (inorganic arsenic and its metabolites) with a median value of 7.17 μg/g.cr., i.e. twice the median values usually observed in general populations, and (iii) very high Cd levels in urine with a median value of 1.23 μg/L, in the range of 95th-97.5th percentiles measured in general adult populations. Biomarker levels in the study population were also mostly above those measured in adults from local populations living on contaminated soils, as reported in the current literature. All biomarkers of Pb, Cd and As showed weak to strong statistically significant correlations, pointing towards a joint environmental source to these three contaminants as being at least partially responsible for the high exposure levels observed. Urine and blood biomarkers show statistically significant associations with variables related to individual characteristics (age, smoking status, …) and Pb domestic sources (Pb pipes, cosmetics, …) but involves also behavioral and consuming habits related to gardening activities on the contaminated allotment garden. At such levels, owing to co-exposure and additive effects of Cd, As and Pb regarding renal toxicity known from literature, the study strongly suggests that this population of gardeners is at risk with respect to chronic kidney diseases.
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Petit, Jérôme C J;  Scientific Institute of Public Service, Environmental-Health Unit, Rue du Chéra 200, B-4000, Liège, Belgium. Electronic address: j.petit@issep.be
Maggi, Patrick  ;  FPS Health, Food Chain Safety and Environment, Ecotoxicology Unit from Service Plant Protection and Fertilising Products, 5/2 Avenue Galilée, B-1210, Brussels, Belgium
Pirard, Catherine  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de toxicologie clinique, médicolégale, environnementale et en entreprise
Charlier, Corinne  ;  Centre Hospitalier Universitaire de Liège - CHU > > Service de toxicologie clinique, médicolégale, environnementale et en entreprise
Ruttens, Ann;  Sciensano, Elements-Trace Unit, Leuvensesteenweg 17, B-3080, Tervuren, Belgium
Colinet, Gilles  ;  Université de Liège - ULiège > Département GxABT > Echanges Eau - Sol - Plantes
Remy, Suzanne;  Scientific Institute of Public Service, Environmental-Health Unit, Rue du Chéra 200, B-4000, Liège, Belgium
Language :
English
Title :
Human biomonitoring survey (Pb, Cd, As, Cu, Zn, Mo) for urban gardeners exposed to metal contaminated soils.
Publication date :
25 August 2022
Journal title :
Environmental Pollution
ISSN :
0269-7491
eISSN :
1873-6424
Publisher :
Elsevier BV, England
Volume :
312
Pages :
120028
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 31 August 2022

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