Arsenic in drinking water
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ARSENIC FACT SHEET - Water Quality Association
www.wqa.orgdrinking water. Both community water systems (CWS) and non-transient, non-community water systems (NTNCWS) are required under this rule to reduce the arsenic concentration in their drinking water to10 µg/L or lower. For details of toxicological and epidemiological effects of arsenic in drinking water, please refer to
Culligan Drinking Water Systems Owners Guide
www.culligan.comArsenic (As) is found naturally in some well water. Arsenic in water has no color, taste or odor. It must be measured by a lab test. Public water utilities must have their water tested for arsenic. You can get the result from your water utility. If you have your own well, you can have the water tested by an accredited lab.
Allan H. Smith, Elena O. Lingas, & Mahfuzar Rahman
www.who.intbetween arsenic concentrations in drinking-water and the prevalence of skin cancer (24). In this study, the average concentration of arsenic in water was about 500 mg/l, and by age 60 more than 1 in 10 had developed skin cancer. The lifetime risk of develop-ing skin cancer from the intake of 1 mg. kg body weight-1. day-1 (roughlyequivalent ...
EXPOSURE TO ARSENIC: A MAJOR PUBLIC HEALTH CONCERN
www.who.intarsenic-contaminated drinking-water are at increased risk for spontaneous abortion, stillbirth and preterm birth. In utero and early-life exposures to arsenic have been linked to the development of lung cancer and bronchiectasia later in life.
DRINKING WATER QUALITY
www.cdc.govof drinking water, such as groundwater wells and surface water, not subject to EPA standards under the Safe Drinking Water Act.2,3 In some parts of the United States, arsenic occurs in groundwater at high levels and can present a potential health hazard to people whose primary drinking water source is private well water.4 In addition, some agricul-
Interpreting Drinking Water Test Results
adams.extension.wisc.edudiscernible by the senses. Drinking water can contain nitrate, bacteria, and pesticides at levels which cannot be tasted or smelled, but which can be hazardous to health. If your drinking water comes from a private well, you should test your water once a year even if you do not observe any smells, stains or changes in water quality.
ARSENIC BIOSAND FILTER: “STUDY ON THE EFFECT OF AIR …
web.mit.eduTable 1: Proposed drinking water quality in Nepal Table 2: Properties of arsenic Table 3: Major arsenic minerals occurring in nature Table 4: The national standard of few countries for arsenic in drin king water Table 5: Arsenic level at different district in Nepal as November, 2003 Table 6: Identification of four filter
Whymonitor water quality?
water.usgs.govthe following 2 examples, monitoring water quality provides empirical evidence to support decision making on health and environmental issues. In the United States, an emphasis is placed on monitoring for compliance with the Clean Water Act and Safe Drinking Water Act, which are administered by the U.S. Environ-mental Protection Agency (EPA).
Arsenic - Understanding Your Arsenic Test Results
www.health.ny.govArsenic is a chemical present in the environment as a naturally occurring substance and as a result of human activity. It is found in water, air, food and soil. There are two general types of arsenic: organic and inorganic. The inorganic forms of arsenic are the harmful forms, while most of the organic forms of arsenic are essentially harmless.