Drinking Water Filter
Watts Premier 531130 Filter-Pure UF-3 3-Stage Water Filtration System
(Tools Home Improvement) Watts Premier
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Answers
My towns tap water contains trace levels of arsenic. I know that many people in my town have cancer. I don't want to join them. Please help.
New technology makes is possible to lower the level of arsenic in drinking water down to 10 parts per billion. See how it is done. More: www.water ...
If so, then why do they do it? Isn't that stuff poisonous?
I heard on the local news they are allowed to have small amounts in there. I always thought arsenic even in small amounts was harmful?
Yeah but the word itself is enough to make you worry LOL
They dont intentionally add it. It comes from natural sources where you obtain the water. I live in a region which has high arsenic in groundwater due to the mineral deposits in the area. It can't be avoided. Your body can build a resistance to it over time. It's really not that bad in low levels.
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does drinking water contain arsenic??
Arsenic occurs as a contaminant in some groundwater in Massachusetts, most frequently in the central part of the state. Drinking water from bedrock wells, also called drilled or artesian wells, and less frequently from shallow or dug wells, may contain arsenic.
Where does arsenic come from?
How can arsenic affect my health?
What about bathing/showering, or other uses?
What can I do if my water has high arsenic levels?
Where does arsenic come from?
Arsenic (chemical symbol As) occurs naturally in soil and bedrock in many parts of the United States, including parts of Massachusetts. During the 1800s it was mined commercially in New Hampshire, but since 1985 arsenic used in the U.S. has been imported. Activities that could have left arsenic residuals include apple orchard spraying, coal ash disposal, and use of some pressure treated wood. Arsenic has no smell, taste, or color when dissolved in water, even in high concentrations, and therefore only laboratory analysis can determine the presence and concentration of arsenic in water.
http://www.mass.gov/dep/water/drinking/a rswell.htm
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if it is trully distilled you should end up with high quality H2O
The safe drinking water standard for arsenic (which is usually found as arsenate, AsO^4{3-) is 50 parts per billion (ppb) in most developing countries.
How many grams of sodium arsenate are in 55 gallons of water, if the concentration of arsenate is 50 ppb?
HINT:You will need molar mass of both AsO4(3-) and Na3AsO4? . First, 50 ppb AsO4(3-) of (let's say) 10^9 g of water yields 50 g of AsO4(3-) . Second, use the flow diagram (grams to moles; moles to moles, and moles to grams) (or dimensional analysis) to get to grams of Na3AsO4?, which should be a bit more than 50 g. Look carefully: the question in 4.116, part A, asks for the mass of Na3AsO4? .
In 1993, naturally occurring arsenic was discovered as a major contaminant in the drinking water across the country of Bangladesh. Approximately 12 million people in Bangladesh still drink water from wells that have higher concentrations of arsenic than the standard. Recently, a chemistry professor from George Mason University was awarded a $1 million Grainger Challenge Prize for Sustainability for his development of a simple, inexpensive system for filtering naturally occuring arsenic from drinking water. The system uses buckets of sand, cast iron, activated carbon, and wood chips for trapping arsenic-containing minerals. Assuming the efficiency of such a bucket system is 90% (meaning, 90% of the arsenic that comes in is retained in the bucket and 10% passes out of the bucket), how many times should water that is 5000 ppb in arsenic be passed through to meet the 50 ppb standard?
This is just a bunch of dimensional analysis:
55 gal * 3.79 L / 1 gal = 208.45 L
50 ppb = 50 g / 10^9 g = 50 ng/mL = 50 ug/L
remember -- 1mL = 1 gram of water
50 ug/L * 208.45 L = 10422.5 ug * 1g / 10^6 ug = 0.0104225 g AsO4
Molecular Mass of AsO4 = 138.92 g/mol
Molecular Mass of Na3AsO4 = 207.89 g/mol
0.0104225 g AsO4 * 1 mol AsO4 / 138.92 g AsO4 * 1 mol Na3AsO4 / 1 mol AsO4 * 207.89 g Na3AsO4 / 1 mol Na3AsO4 = 0.0155 g Na3AsO4
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EPA: Chemicals Found in Wyoming Drinking Water Might Be from ...
Federal environment officials investigating drinking water contamination near the ranching town of Pavillion, Wyo., have found that at least three water wells contain a chemical used in the natural gas drilling process of hydraulic fracturing. Scientists also found traces of other contaminants, including oil, gas or metals, in 11 of 39 wells tested there since March. The study, which is being conducted under the Environmental Protection Agency’s Superfund program, is the first time the EPA has undertaken its own water analysis in response to complaints of contamination in drilling areas, and it could be pivotal in the national debate over the role of natural gas in America’s energy policy. Scientists in Wyoming will continue testing this fall to determine the level of chemicals in the water and exactly where they came from. If they find that the contamination did result from drilling, the placid plains arching up to the Wind River Range would become the first site where fracturing...
Large variations exist in peoples#39; ability to eliminate arsenic ...
Washington, Aug 27 (ANI): A new study has shown that large variations exist in peoples’ ability to eliminate potentially toxic substance arsenic from the body.
In the study, Kevin Francesconi and colleagues found that some people eliminate more than 90 percent of the arsenic consumed in the diet while others store arsenic in their bodies, where it can have harmful effects.
Health effects from chronic arsenic exposure include skin and internal cancers, cardiovascular disease, and possibly diabetes.
Researchers say that drinking water in many parts of the world, including some regions of the United States, contain amounts of arsenic that exceed the World Health Organization’s maximum acceptable levels.
The study also found that consumption of seafood is another major source of arsenic contamination.
The scientists describe monitoring arsenic excretion in the urine of human volunteers.
They found that ability to eliminate arsenic from the body varied greatly, with some participants excreting up to 95 percent of the ingested arsenic but others eliminating as little as four percent.
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Lifetime Exposure to Arsenic in Drinking Water- Applica
Arsenic Cartridge 2.5" x 10" Replacement Filter Drinking Water / Whole House New
Arsenic Cartridge 2.5" x 10" Replacement Cartridge Drinking Water Whole House