Evidence map›Paper›PMID 33424107›Full record

ArticleApplied geochemistry : journal of the International Association of Geochemistry and Cosmochemistry2020

Lead speciation, bioaccessibility and source attribution in Missouri's Big River watershed.

Matthew Noerpel, Michael Pribil, Danny Rutherford, Preston Law, Karen Bradham, Clay Nelson, Rob Weber, Gene Gunn, Kirk Scheckel

Open access · greenAbstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Applied geochemistry : journal of the International Association of Geochemistry and Cosmochemistry, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.5field-weighted citation impact, top 40% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed, 12 citations in OpenAlex.

  1. Article
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 2 institutions in 1 country.

Matthew NoerpelUnited States Environmental Protection Agency, Office of Research and Development, 5995 Center Hill Ave. Cincinnati, Ohio, 45224, United States.
Michael PribilUnited States Geological Survey, Denver Federal Center, MS 973, Denver, Co, 80225, USA.
Danny RutherfordUnited States Geological Survey, Denver Federal Center, MS 973, Denver, Co, 80225, USA.
Preston LawUnited States Environmental Protection Agency, Region 7, 11201 Renner Blvd, Lenexa, KS, 66219, United States.
Karen BradhamUnited States Environmental Protection Agency, Office of Research and Development, 109 Alexander Dr, Research Triangle Park, NC, 27711, United States.
Clay NelsonUnited States Environmental Protection Agency, Office of Research and Development, 109 Alexander Dr, Research Triangle Park, NC, 27711, United States.
Rob WeberUnited States Environmental Protection Agency, Region 7, 11201 Renner Blvd, Lenexa, KS, 66219, United States.
Gene GunnUnited States Environmental Protection Agency, Region 7, 11201 Renner Blvd, Lenexa, KS, 66219, United States.
Kirk ScheckelUnited States Environmental Protection Agency, Office of Research and Development, 5995 Center Hill Ave. Cincinnati, Ohio, 45224, United States.
Environmental Protection Agency · USUnited States Geological Survey · US

Funding

Intramural EPA EPA999999
6 · The paper itself

Abstract

The Southeast Missouri Lead District is among the most productive lead deposits exploited in modern times. Intensive mining conducted prior to regulations resulted in a legacy of lead contaminated soil, large piles of mine tailings and elevated childhood blood lead levels. This study seeks to identify the source of the lead contamination in the Big River and inform risk to the public. Isotopic analysis indicated the mine tailing piles at the head of the Big River are the primary source of the lead contamination. The isotopic signature of the lead in these mine tailings matched the lead over 100 km downstream. All of the other potential lead sources investigated had different isotopic signatures. Lead concentrations in soils and sediments decrease with distance downstream of the mine tailings piles. Additionally, the speciation of the lead changes from predominantly mineralized forms, such as galena, to adsorbed lead. This is reflected in the in-vitro bioaccessibility assay (IVBA) analysis which shows higher bioaccessibility further downstream, demonstrating the importance of speciation in risk evaluation.

Indexed as

Big river watershedIVBAMine tailingsPbSource attributionStable isotope analysisXANESX-ray spectroscopy

Identifiers

PMID33424107
PMCPMC7787989
OpenAlexW3086061994

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.