Pb on groundwater particles, Door County, Wisconsin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Pb was detected on groundwater particles larger than 0.45 μm. Pb concentration (micrograms per liter) showed positive correlations with particle concentration (milligrams per liter) at five sampled wells, although the slopes of the best-fit lines were different. X-ray fluorescence scans suggested that the particles primarily consist of K-Al silicate minerals, and that Pb is absorbed onto Fe oxyhydroxide coatings on Mg-rich silicates. Particle compositions varied at wells, but remained consistent at each well through the sampling period of a month. The particulate nature of Pb in groundwater could cause the spatial and temporal variations due to: (1) the unique composition of particles at wells, (2) the irregular pathways for groundwater particles, (3) the unpredictable amount of Pb-carrying particles entering the groundwater system during recharge events, and (4) the irregular sampling of groundwater particles subsequently dispersed along the advective flow path.

Original languageEnglish
Pages (from-to)150-156
Number of pages7
JournalEnvironmental Geology
Volume24
Issue number2
DOIs
Publication statusPublished - 1994 Oct 1

Fingerprint

Groundwater
groundwater
Silicate minerals
Sampling
Silicates
well
Chemical analysis
silicate minerals
Fluorescence
particle
silicate mineral
sampling
silicates
X rays
Coatings
X-ray fluorescence
coatings
temporal variation
spatial variation
recharge

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Water Science and Technology
  • Environmental Science(all)
  • Earth and Planetary Sciences (miscellaneous)

Cite this

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title = "Pb on groundwater particles, Door County, Wisconsin",
abstract = "Pb was detected on groundwater particles larger than 0.45 μm. Pb concentration (micrograms per liter) showed positive correlations with particle concentration (milligrams per liter) at five sampled wells, although the slopes of the best-fit lines were different. X-ray fluorescence scans suggested that the particles primarily consist of K-Al silicate minerals, and that Pb is absorbed onto Fe oxyhydroxide coatings on Mg-rich silicates. Particle compositions varied at wells, but remained consistent at each well through the sampling period of a month. The particulate nature of Pb in groundwater could cause the spatial and temporal variations due to: (1) the unique composition of particles at wells, (2) the irregular pathways for groundwater particles, (3) the unpredictable amount of Pb-carrying particles entering the groundwater system during recharge events, and (4) the irregular sampling of groundwater particles subsequently dispersed along the advective flow path.",
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Pb on groundwater particles, Door County, Wisconsin. / Woo, Nam Chil.

In: Environmental Geology, Vol. 24, No. 2, 01.10.1994, p. 150-156.

Research output: Contribution to journalArticle

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