Hexavalent chromium review, part 1: Health effects, regulations, and analysis

First of a two-part review summarizing the current state of the science regarding hexavalent chromium, this article addresses health effects, regulations, and analysis; part 2 will cover occurrence, chemistry, and treatment. Although hexavalent chromium—Cr(VI)—is a known human carcinogen when inhale...

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Veröffentlicht in:Journal - American Water Works Association 2012-06, Vol.104 (6), p.E348-E357
Hauptverfasser: McLean, Joan E., McNeill, Laurie S., Edwards, Marc A., Parks, Jeffrey L.
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container_end_page E357
container_issue 6
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container_title Journal - American Water Works Association
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creator McLean, Joan E.
McNeill, Laurie S.
Edwards, Marc A.
Parks, Jeffrey L.
description First of a two-part review summarizing the current state of the science regarding hexavalent chromium, this article addresses health effects, regulations, and analysis; part 2 will cover occurrence, chemistry, and treatment. Although hexavalent chromium—Cr(VI)—is a known human carcinogen when inhaled, its effects when taken orally (e.g., consumed in drinking water) are still being evaluated. The outcome of the ongoing US Environmental Protection Agency toxicologic review will determine whether a new federal maximum contaminant level will be set specifically for Cr(VI). In California, a public health goal of 0.02 μg/L has been established, and the state is proceeding to set a maximum contaminant level for hexavalent chromium. Analytical methods for hexavalent chromium can reliably quantify Cr(VI) at sub-parts-per-billion levels, whereas methods for measuring total chromium are much less sensitive. A new US Environmental Protection Agency method is available for Cr(VI) analysis, with updated requirements for chromium speciation preservation, holding time, and filtration.
doi_str_mv 10.5942/jawwa.2012.104.0091
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source Wiley Online Library Journals Frontfile Complete; JSTOR Archive Collection A-Z Listing
subjects Carcinogenicity
Carcinogens
Chemical contaminants
Chromium
Contaminants
Dosage
Drinking Water
Environmental protection
Federal Regulations
Filtration
Health benefits
Health Effects
Hexavalent Chromium
Humans
Ingestion
Mode of action
Potable water
Public Health
Public Health Goal
Speciation
Toxicology
title Hexavalent chromium review, part 1: Health effects, regulations, and analysis
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