post

'Safe' levels of arsenic in drinking water found to ...

May 31, 2012· The team is part of the Dartmouth Superfund Research Program on Toxic Metals. Pregnant and/or breastfeeding mothers who consumed low levels (10 ppb) of arsenic …

Read More
post

A Trace of Arsenic (Discover) | Department of Earth Science

Joshua Hamilton, a molecular toxicologist affiliated with the Dartmouth Toxic Metals Superfund Research Program, tells the magazine that chronic exposure to trace arsenic inflicts damage on the cellular level, making the body more vulnerable to a variety of …

Read More
post

The Facts on Arsenic | Dartmouth Toxic Metals

Toxic waste sites including areas designated by the U.S. Environmental Protection Agency as Superfund sites often contain high amounts of arsenic in combination with other toxic wastes. One such site – the focus of the film A Civil Action – is the watershed of the Aberjona River near Boston, Mass., where wastes from tanneries and other ...

Read More
post

Facts About Arsenic | Live Science

Jul 28, 2016· Facts About Arsenic. ... Some toxic metals, in trace amounts, might actually be essential nutrients, ... according to Dartmouth College. In 1910, German pharmacologist Paul …

Read More
post

From Arsenic Exposure to Biological Response - UNC ...

Arsenic ToxFAQ (Agency for Toxic Substances and Disease Registry) Answers to frequently asked health questions about arsenic; Arsenic in Drinking Water (US EPA) Information on regulations regarding maximum contaminant levels allowed on arsenic in drinking water; Arsenic and You (Dartmouth Toxic Metals Superfund Research Program)

Read More
post

The Facts on Copper | Dartmouth Toxic Metals

A 1936 U.S. copper alloy penny, a 1943 zinc-plated steel penny, and a modern 2004 copper-coated zinc penny. Photo credit: Dartmouth Toxic Metals Research Program. United States pennies were made of pure copper from 1793 to 1837. In subsequent years, they were made of various copper alloys, including bronze and brass.

Read More
post

Dartmouth Toxic Metals Superfund Research Program

You can visit the U.S. Environmental Protection Agency to learn more about federal Superfund sites and toxic chemical releases and pollution prevention activities. Learn if you might be exposed to arsenic in food or other sources. Follow the What You Can Do action steps on each webpage to reduce your total arsenic exposure.

Read More
post

The Dartmouth University Superfund[ers of Fearmongering ...

Sep 19, 2013· The Dartmouth University Toxic Metals Superfund Research Program contains a section on mercury, which includes a short documentary video and a number of links to Information About Seafood and Nutrition. Unfortunately, the video does more to confuse the facts about the presence of naturally occurring organic mercury in our oceans than it does to clarify …

Read More
post

Arsenic: Learning the Effects, Lessening the Impacts in ...

As reported in "In Small Doses: Arsenic," a short documentary film produced by the Dartmouth Toxic Metals Superfund Research Program, millions of private wells in the United States have unknown arsenic levels, and in some areas of the country, over 20% of wells may contain levels that are not safe.

Read More
post

arsenic | Definition, Symbol, Uses, & Facts | Britannica

Commercial production and uses. Metallic arsenic forms when arsenopyrite is heated at 650–700 °C in the absence of air. The arsenic in arsenopyrite and the arsenic impurities in other metal ores unite readily with oxygen when heated in air, forming the easily sublimed oxide, As 4 O 6, also known as "white arsenic."The vapour of the oxide is collected and condensed in a series of brick ...

Read More
post

The Facts on Mercury | Dartmouth Toxic Metals

The Facts on Mercury. ... to mercury mainly through eating fish and shellfish — and 95 percent or more of the mercury in fish is the more toxic methylmercury. According to EPA, fish fillets containing more than 0.3 parts per million of methylmercury should not be eaten (Canada and the states of Maine and Minnesota suggest you avoid fish with ...

Read More
post

Dartmouth Gets $13 Million to Study Arsenic, Mercury in Food

By Laurie Reynolds Rardin Dartmouth's Toxic Metals Superfund Research Program (SRP) scientists have received a $13 million, five-year grant from the National Institute of Environmental Health Sciences (NIEHS). The grant will fund continuing work on the health effects of arsenic, the uptake mechanisms for arsenic and mercury, and the movement of these metals through ecosystems.

Read More
post

Communicating Arsenic's Risks.

Sep 16, 2019· This study will describe two types of environmental communication efforts that have been undertaken by the Dartmouth Toxic Metals Superfund Research Program (DTMSRP)-the development and evaluation of a comprehensive website, Arsenic and You, and a mental models research approach to better understand the disconnect between expert and community ...

Read More
post

Dartmouth College Toxic Metals Superfund Research …

Dartmouth College Toxic Metals Superfund Research Center (Dartmouth SRC), to advance this work across the nation. Research Highlights . Studying the adverse health effects of arsenic. Dartmouth SRC researchers Mary Lou . Guerinot, Ph.D., and Brian Jackson, Ph.D., led a team that measured arsenic in a previously underrecognized source — common ...

Read More
post

Dartmouth Researchers Hail N.H. Bill to Cut Arsenic ...

Jan 11, 2019· Concord — A group of Dartmouth researchers studying the effects of toxic metals is applauding a plan to reduce the allowable threshold for arsenic …

Read More
post

Dartmouth Toxic Metals Superfund Research Program

In the U.S., high concentrations of naturally occurring arsenic are more common in the West, Midwest, parts of Texas, and Northeast, but can occur almost anywhere. This map shows the probability of arsenic in private well water greater than 10 parts per billion (ppb), the maximum contaminant level for arsenic in public water supplies. Note: 1 ug/L is the same as 1 ppb.

Read More
post

High levels of arsenic found in US Whole Foods' bottled ...

7 · And researchers at Dartmouth's Toxic Metal Superfund Research Program have found that long-term exposure to lower levels of arsenic can increase the …

Read More
post

Arsenic in Rice and Other Foods - National Institute of ...

Mary Lou Guerinot, Ph.D., is the Ronald and Deborah Harris professor of biological sciences at Dartmouth College and associate director of the Dartmouth Toxic Metals Superfund Research Program.Her research focuses on the molecular mechanisms of trace element uptake and its regulation. Her long-term goal is to understand how plants acquire trace elements from the soil and distribute …

Read More
post

Arsenic | Dartmouth Toxic Metals

During the 1950s, U.S. cotton-growers spread a pesticide that contained arsenic to fight the boll weevil. Although it was an effective pest control, low levels of arsenic remain in the soil of the fields where it was applied because arsenic does not break down in the environment, and …

Read More
post

Celia Y. Chen | Faculty Directory - Dartmouth College

My research as an aquatic ecologist over the last 24 years has focused on the fate of metal contaminants in freshwater and marine ecosystems. My main interest is in the sources, fate, and bioaccumulation of the neurotoxic contaminant, mercury, that biomagnifies in aquatic food webs.

Read More
post

A Trace of Arsenic (Discover) - Dartmouth College

Joshua Hamilton, a molecular toxicologist affiliated with the Dartmouth Toxic Metals Superfund Research Program, tells the magazine that chronic exposure to trace arsenic inflicts damage on the cellular level, making the body more vulnerable to a variety of …

Read More
post

Metal toxicity - Wikipedia

Metal toxicity or metal poisoning is the toxic effect of certain metals in certain forms and doses on life.Some metals are toxic when they form poisonous soluble compounds. Certain metals have no biological role, i.e. are not essential minerals, or are toxic when in a certain form. In the case of lead, any measurable amount may have negative health effects.

Read More
post

Addressing Arsenic (NHPR) | Dartmouth News

As a guest on NHPR's The Exchange, Bruce Stanton, director of the Dartmouth Toxic Metals Superfund Research Program and a professor of microbiology and immunology at the Geisel School of Medicine, talks about the sources of arsenic as well as the effects that exposure to the environmental toxic can have on a person's health. "Recent studies, just in the last couple of years, reveal that ...

Read More
post

Dartmouth Research Informs N.H. Action on Arsenic in ...

Arsenic is tasteless, odorless, and colorless. In addition to lurking in drinking water, the chemical is found in rice, rice products, and other foods. Additional information about arsenic may be found on the Dartmouth Toxic Metals Superfund Research Program website "Arsenic and You." David Hirsch can be reached at [email protected].

Read More
post

Dartmouth College (Superfund Research Program)

Project Summary (2014-2020) The goal of the Community Engagement Core (CEC) is to build bi-directional partnerships with four target communities in Northern New England to enhance their ability to understand and address the health risks posed by toxic metals in the environment.

Read More