Arsenic (chemical symbol As) occurs naturally in many parts of the United States, including New Hampshire and other areas of New England. In fact, arsenic was mined commercially in New Hampshire in the 1800s. Arsenic also occurs as a result of human activities. Activities that could have left arsenic residuals include, apple orchard spraying with Lead Arsenate and coal ash disposal. Arsenic may be either a residual of man past activities or naturally occurring. Predicting whether a well will have elevated arsenic is generally not possible. Even at high concentrations, arsenic has no smell, taste or coloration when dissolved in water. Only water quality testing can determine the presence and concentration of arsenic in well water.

Arsenic has been classified by the U.S. Environmental Protection Agency (EPA) as a human carcinogen (cancer causing agent) Specific health questions concerning arsenic should be directed to your personal physician. Where water is rusty in color and has arsenic, the rusty particles may be particularly high in arsenic. As of January 2006 the EPA has lowered the allowed milligrams per Liter (mg/L) for arsenic allowed in our nations drinking from 0.050 mg/L to 0.010 mg/L.

ADSORBSIA GTO Titanium-Based Arsenic Removal Media
Looking for a more convenient and cost effective option for removing arsenic in drinking water? ADSORBSIA™ GTO™ titanium-based media from Dow is now available in North America to help municipalities comply with the 2006 EPA regulation. The new media has improved capabilities compared to all other commercially available media. Advantages include:

• Highest capacity media over a wide range of water conditions
• Nanocrystalline structure results in fastest kinetics allowing for smaller diameter vessels and a smaller system footprint
• Removes both As(III) and As(V) across a wide pH range without use of pretreatment
• Stable performance during pH fluctuations
• Dry, white granule that is easily installed and maintained
• Also available in the powder form (ADSORBSIA PTO™ media)

ADSORBSIA GTO media's high capacity makes it an ideal non-regenerable single-use product. It offers an affordable, easy to operate approach, especially for small or mid-sized systems. Eliminating regeneration means avoiding the hassles and cost of chemical storage and usage while eliminating waste stream disposal issues. ADSORBSIA GTO media's strong affinity for arsenic also allows the media to maintain a strong hold on the removed arsenic, allowing for easier and safer disposal. ADSORBSIA GTO media also features a longer useful life than traditional adsorbent media, for more productive, cost-advantaged operation. Download ADSORBSIA Brochure here!

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