Speciation and mobility of lead in shooting range soils

R. Kelebemang, P. Dinake, N. Sehube, B. Daniel, O. Totolo, M. Laetsang

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The mobility and bioavailability of lead (Pb) in seven military shooting range soils found in eastern and north eastern Botswana were studied using sequential extraction procedure. The different forms of Pb and their reactivity in the soil help explain their speciation, mobility and bioavailability in the environment. Mobility of Pb in the berm soils in all the seven shooting ranges was found to be over 90% implying high Pb lability. The bioavailability index of Pb was in the range 60–90%, an indication that most of the Pb can be available for plant uptake. Sequential extraction studies indicate that the partitioning of Pb was mostly confined to the carbonate compartment in all the shooting ranges. All the seven shooting ranges failed the Synthetic Precipitation Leaching Procedure (SPLP) with SPLP Pb concentrations exceeding United States Environmental Protection Agency (USEPA) 0.015 mg/kg critical level of hazardous waste, posing a pollution threat to surface and groundwater.

Original languageEnglish
Pages (from-to)143-152
Number of pages10
JournalChemical Speciation and Bioavailability
Volume29
Issue number1
DOIs
Publication statusPublished - 2017
Externally publishedYes

Fingerprint

Biological Availability
Soil
Lead
Soils
Leaching
Hazardous Waste
Botswana
United States Environmental Protection Agency
Carbonates
Groundwater
Environmental Protection Agency
Pollution

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Chemical Health and Safety
  • Health, Toxicology and Mutagenesis

Cite this

Kelebemang, R. ; Dinake, P. ; Sehube, N. ; Daniel, B. ; Totolo, O. ; Laetsang, M. / Speciation and mobility of lead in shooting range soils. In: Chemical Speciation and Bioavailability. 2017 ; Vol. 29, No. 1. pp. 143-152.
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Speciation and mobility of lead in shooting range soils. / Kelebemang, R.; Dinake, P.; Sehube, N.; Daniel, B.; Totolo, O.; Laetsang, M.

In: Chemical Speciation and Bioavailability, Vol. 29, No. 1, 2017, p. 143-152.

Research output: Contribution to journalArticle

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