Vanadium and Compounds (Inhalation)
CASRN Various
IRIS Assessment Plan for Inhalation Exposure to Vanadium and Compounds (Scoping and Problem Formulation Materials)
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Overview
In May 2021, EPA released the draft IRIS Assessment Plan (IAP) for Inhalation Exposure to Vanadium and Compounds for public review and comment. An IRIS Assessment Plan (IAP) communicates to the public the plan for assessing each individual chemical and includes summary information on the IRIS Program’s scoping and initial problem formulation; objectives and specific aims for the assessment; the PECO (Populations, Exposures, Comparators, and Outcomes) criteria that outlines the evidence considered most pertinent to the assessment; and identification of key areas of scientific complexity. The PECO provides the framework for developing literature search strategies and inclusion/exclusion criteria, particularly with respect to evidence stream (i.e., human, animal, mechanistic), exposure and outcome measures. The IAP serves to inform the subsequent development of the chemical specific systematic review protocol.Background
Vanadium is a transition metal that occurs naturally in Earth’s crust. Fossil fuel combustion is thought to be the major anthropogenic source of vanadium to the atmosphere. The use of heavy oils and bitumen from tar sands and the use of vanadium in industrial applications (e.g., steel production, vanadium redox-flow batteries, and catalytic converters) can contribute to the release of vanadium into the environment.| Date | Description |
|---|---|
| May 2021 | EPA released the IRIS Assessment Plan (IAP) for Inhalation Exposure to Vanadium and Compounds for a 30-day public comment period. [Federal Register Notice May 28, 2021] |
| Jun 2021 | EPA announced an extension of the public comment period until July 13, 2021. [Federal Register Notice Jun 25, 2021] |
Status
Following the public (webinar) meeting, the IRIS Program will use the IAP to inform the subsequent development of a chemical-specific systematic review protocol.Download(s)
This download(s) is distributed solely for the purpose of pre-dissemination peer review under applicable information quality guidelines. It has not been formally disseminated by EPA. It does not represent and should not be construed to represent any Agency determination or policy.
- IRIS Assessment Plan for Inhalation Exposure of Vanadium and Compounds (Scoping and Problem Formulation Materials) (PDF) (64 pp, 1.4 MB, about PDF)
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