thallium i assessment

Thallium(I) sulfate CASRN | IRIS | US EPA, …

The assessment summary for thallium (I) sulfate is based on the Toxicological Review for Thallium (I), Soluble Salts (see related topics).

Thallium chloride CASRN | DTXSID6024333

Under the Guidelines for Carcinogen Risk Assessment (U.S. EPA, 2005a), the database for thallium and compounds provides "inadequate information to assess carcinogenic potential." This may be a synopsis of the full weight-of-evidence narrative.

Thallium (I) Nitrate | Provisional Peer-Reviewed Toxicity

Thallium (I) Nitrate CASRN 1. Provisional Peer-Reviewed Toxicity Values for Thallium (I) Nitrate; ... Estimate of Subchronic Reference Dose for Oral Exposure (RfD) Last Updated: 11/01/2012 See attachment to the assessment's appendix for quantitative screening values. Estimate of Chronic Reference Concentration for …

Provisional Peer-Reviewed Toxicity Values for Thallium …

Thallium (I) carbonate (), Thallium (I) chloride (), ... sulfate () Superfund Health Risk Technical Support Center . National Center for Environmental Assessment . Office of Research and Development . U.S. Environmental Protection Agency . Cincinnati, OH 45268 . i Thallium and Compounds AUTHORS, …

Risk assessment of rare earth elements, antimony, barium, …

Due to the absence of the elements or very low determined concentration, tellurium was not included in the exposure assessment and in the general risk assessment. Thallium: In the case of thallium, it is known that its salts can cause a wide spectrum of adverse effects in humans and animals, and thallium is considered a …

ELECTROCHEMICAL ASSESSMENT OF PHASE EQUILIBRIA IN …

An information on the thallium(I) selenide − silver selenide system appeared in literature three times [3], [4], [5].The authors of [3], [4] studied the Tl 2 Se + Ag 2 Se alloys employing DTA as a main experimental method, while XRD and microhardness measurements were used as auxiliary methods. Additionally, the emf measurement …

Toxicity of Thallium at Low Doses: A Review

1. Introduction. In the last decade, there has been a growing concern about thallium (Tl) as an emerging natural or anthropogenic contaminant in the world, and about its potential toxicity to humans through natural geological pathways [1,2].Liu et al., by performing a preliminary health risk assessment of trace metals in river water, found that …

Thallium selenite; CASRN 1

Chemical Assessment Summary National Center for Environmental Assessment 1 Thallium selenite; CASRN 1 Human health assessment information on a chemical substance is included in the IRIS database only after a comprehensive review of toxicity data, as outlined in the . IRIS assessment development process.

Assessing the fate and toxicity of Thallium I and Thallium …

In our exposure assessment % recoveries of Thallium (III) from daily solutions were approximately 80% when tested with concentrations ranging from 125 to 500 μg/L. However without a valid method to determine speciation of thallium at low environmentally relevant concentrations it is not possible to conclude that this is the …

Thallium acetate CASRN 563-68-8 | IRIS | US EPA, ORD

Basis: Under the Guidelines for Carcinogen Risk Assessment (U.S. EPA, 2005a), the database for thallium and compounds provides "inadequate information to assess carcinogenic potential." This may be a synopsis of the full weight-of-evidence narrative. Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (17 pp, …

Assessment Thallium and its compounds

Minister of the Environment and the Minister of Health have conducted an assessment of thallium and its compounds. The scope of this assessment covers the thallium moiety …

Assessment of myocardial viability by nuclear imaging in

Thallium-201 radionuclide myocardial perfusion imaging — Thallium-201 was introduced as a perfusion tracer ... or treatment of a health care provider based on the health care provider's examination and assessment of a patient's specific and unique circumstances. Patients must speak with a health care provider for complete information about ...

Anthropogenic Impact and Ecological Risk Assessment of Thallium …

As the largest freshwater lake in China, water environmental pollution in Poyang Lake is increasingly attracting attention. However, to date, the occurrence of seldom-monitored trace elements (SMTEs) (such as thallium (Tl) and cobalt (Co)) and their potential ecological influences in the Poyang Lake area remain unclear. Here, geochemical …

Thallium and its compounds

The assessment considered all thallium-containing substances that may release thallium, as well as thallium in its elemental form, and thallium released to the environment in dissolved, solid or particulate forms. This included 3 thallium-containing substances listed on the Domestic Substances List, 1 on the Revised In Commerce List …

Assessment

Synopsis. Pursuant to section 68 of the Canadian Environmental Protection Act, 1999 (CEPA), the Minister of the Environment and the Minister of Health have conducted an assessment of thallium and its compounds. The scope of this assessment covers the thallium moiety. This assessment considers all thallium-containing substances that …

Provisional Peer-Reviewed Toxicity Values for …

Final 11-01-2012. Provisional Peer-Reviewed Toxicity Values for. Thallium and Compounds. Metallic Thallium (), Thallium (I) acetate (563-68-8), Thallium …

IRIS Toxicological Review of Thallium And Compounds (Final …

EPA is undertaking an Integrated Risk Information System (IRIS) health assessment for thallium and compounds. IRIS is an EPA database containing Agency …

Contamination, oral bioaccessibility and human health risk assessment …

1. Introduction. Thallium (Tl), as a dispersed metal element, is widely distributed and usually occurs in trace concentrations in nature (Xiao et al., 2012; Jia et al., 2013).Thallium exhibits dual-geochemical character, with strong lithophile character like K and chalcophile character that makes it to be easily bound to S, and thus Tl is always …

Distribution, source identification, and ecological-health risks …

The exploitation of thallium (Tl) resources through mining poses a significant threat to ecological systems and human health due to its high toxicity and ready assimilation by human body. We report the first assessment of the pollution, spatial distribution, source, and ecological-health risks of potentially toxic elements (PTEs) in Tl mining area of …

Draft screening assessment

This draft screening assessment focuses on the thallium moiety, and thereby considers thallium in its elemental form, thallium-containing substances and thallium released in dissolved, solid or particulate form. It does not address counter-ions present in thallium-containing substances (e.g., oxide, chloride).

Presence of thallium in the environment: sources of …

The obtained data was used for assessment of thallium concentrations, which may be valuable during research focused on new sources of contamination with this toxic metal. ... Carson WG. Thallium: occurrence in the environment and toxicity to fish. Bulletin of Environmental Contamination and Toxicology. 1975; 13:23–30. doi: …

Genotoxicity assessment of human peripheral …

Genotoxicity assessment of human peripheral Lymphocytes induced by thallium(I) and thallium(III) ... Thallium is a highly toxic metal and is anthropogenically concentrated in environments

Thallium

Wildlife Toxicity Assessment for Thallium. Desmond I. Bannon, in Wildlife Toxicity Assessments for Chemicals of Military Concern, 2015 Introduction. Thallium, found between mercury and lead in the periodic table, is a metallic element that occurs in the earth's crust at a concentration of 0.3–0.6 ppm. Thallium is frequently found in sulfur …

Assessment of Thallium Ecotoxicity by Biological Properties …

Abstract. Thallium ecotoxicity was assessed in laboratory model experiments by changing in microbiologi-cal, biochemical, and phytotoxic properties of soils in the South of Russia: ordinary ...

Thallium (I), soluble salts CASRN Various | IRIS | US EPA, ORD

Under the Guidelines for Carcinogen Risk Assessment (U.S. EPA, 2005a), the database for thallium and compounds provides "inadequate information to assess carcinogenic potential." This may be a synopsis of the full weight-of-evidence narrative. Quantitative Estimate of Carcinogenic Risk from Oral Exposure (PDF) (17 pp, 137 K) Not …

Assessment of myocardial viability by nuclear …

TECHNIQUES FOR ASSESSING MYOCARDIAL VIABILITY. Thallium-201 radionuclide myocardial perfusion imaging — Thallium-201 was introduced as a …

Wildlife Toxicity Assessment for Thallium

Thallium (Tl) is a non-essential toxic metal that is found in the earth's crust at 0.3–0.6 ppm. A range of applications have used thallium; from rodenticide, where its toxicity has been well described, to more modern applications in electronics and cardiac imaging. Ionized thallium, in the form of thallous ion, mimics the chemistry of ...

Efficient utilization of biogenic manganese oxides in

1 State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental ... in bioaugmentation columns and the in situ-generated BMnOx for continuous thallium(I) (Tl(I)) removal from groundwater were investigated. Results indicated that Pseudomonas Putida MnB1 (strain MnB1) attached …

Heart Health Assessment: The Thallium Stress Test Explained

The Thallium Stress Test generates a set of images that display blood flow to the heart muscle. These images are typically divided into three phases: rest, stress, and post-stress. The cardiologist will analyze these images to assess how well blood flows to different areas of the heart. Areas of Concern:

Assessing the fate and toxicity of Thallium I and …

The objectives of this project were to assess (1) fate of thallium by conducting speciation analysis and determining the influence of water quality on toxicity …

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