TY - JOUR
T1 - Seasonal concentrations of lead in outdoor and indoor dust and blood of children in Riyadh, Saudi Arabia
AU - El-Desoky, Gaber E.
AU - Aboul-Soud, Mourad A.M.
AU - Al-Othman, Zeid A.
AU - Habila, Mohamed
AU - Giesy, John P.
PY - 2014
Y1 - 2014
N2 - Because detrimental effects of exposure to lead (Pb) on human health have been observed, we previously investigated concentrations of Pb in water supplies and blood of adult residents of Riyadh, Saudi Arabia. The objectives of the present study were to: (1) examine seasonal rates of deposition of Pb in dust in several areas of Riyadh city, (2) measure concentrations of Pb in both outdoor and indoor dust, (3) compare concentrations of Pb in dust in Riyadh with those reported for other cities, and (4) quantify Pb in blood of children living in Riyadh. Mean, monthly deposition of PB in outdoor dust was 4.7 × 101 ± 3.6 tons km-2, with a mean Pb concentration of 2.4 × 102 ± 4.4 × 101 μg/g. Mean, monthly deposition of Pb in indoor dust was 2.7 ± 0.70 tons km-2, with a mean concentration of 2.9 × 101 ± 1.5 × 101 μg Pb/g. There was a significant (P <0.01) correlation between concentrations of Pb in outdoor and indoor dust. There was no correlation between concentrations of Pb in indoor dust and that in blood of children of Riyadh, whereas there was a weakly significant (P <0.05) correlation between concentrations of Pb in outdoor dust and that in blood of children. The mean (±SD) concentration of Pb in blood of children in Riyadh was 5.2 ± 1.7, with a range of 1.7-1.6 × 101 μg/dl. Concentrations of Pb in blood of 17.8 % of children in Riyadh were greater than 10 μg/dl, which is the CDC's level of concern. © 2013 Springer Science+Business Media Dordrecht.
AB - Because detrimental effects of exposure to lead (Pb) on human health have been observed, we previously investigated concentrations of Pb in water supplies and blood of adult residents of Riyadh, Saudi Arabia. The objectives of the present study were to: (1) examine seasonal rates of deposition of Pb in dust in several areas of Riyadh city, (2) measure concentrations of Pb in both outdoor and indoor dust, (3) compare concentrations of Pb in dust in Riyadh with those reported for other cities, and (4) quantify Pb in blood of children living in Riyadh. Mean, monthly deposition of PB in outdoor dust was 4.7 × 101 ± 3.6 tons km-2, with a mean Pb concentration of 2.4 × 102 ± 4.4 × 101 μg/g. Mean, monthly deposition of Pb in indoor dust was 2.7 ± 0.70 tons km-2, with a mean concentration of 2.9 × 101 ± 1.5 × 101 μg Pb/g. There was a significant (P <0.01) correlation between concentrations of Pb in outdoor and indoor dust. There was no correlation between concentrations of Pb in indoor dust and that in blood of children of Riyadh, whereas there was a weakly significant (P <0.05) correlation between concentrations of Pb in outdoor dust and that in blood of children. The mean (±SD) concentration of Pb in blood of children in Riyadh was 5.2 ± 1.7, with a range of 1.7-1.6 × 101 μg/dl. Concentrations of Pb in blood of 17.8 % of children in Riyadh were greater than 10 μg/dl, which is the CDC's level of concern. © 2013 Springer Science+Business Media Dordrecht.
KW - Air
KW - Hazard
KW - Metal
KW - Middle East
KW - Pollution
KW - Risk
KW - Urban
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U2 - 10.1007/s10653-013-9582-3
DO - 10.1007/s10653-013-9582-3
M3 - RGC 21 - Publication in refereed journal
C2 - 24213703
SN - 0269-4042
VL - 36
SP - 583
EP - 593
JO - Environmental Geochemistry and Health
JF - Environmental Geochemistry and Health
IS - 3
ER -
