By R. Reid
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Extra resources for Water Quality and Systems - Guide for Facility Managers
For liquids, a flash point less than 140 degrees F. This class also includes oxidizers such as bottled oxygen. 5, or a waste liquid or solid that corrodes steel at a rate greater than 1/4-inch per year. Reactive Wastes that react when handled improperly or when mixed with water or air. Examples include explosives and propellants. Toxic Poisons or chemicals that leach into poisons after the performance of tests known as the Toxic Chemical Leaching Procedures (TCLP). ———————————————————————————————— cases.
These particles include mineral salts, metals, chlorides, acids and others. As a result, the purity or “safety” of water is relative. The only way to know if the water is safe is to have it tested. A complete battery of tests can cost as much as $3,000. Depending upon the size of the facility, several samples may be required from different areas at different times of the year or season. Basic tests are ©2004 by The Fairmont Press. All rights reserved. less expensive and can be performed for as little as $200.
Other Metals Zinc, aluminum and iron are not currently regulated but have recommended maximum levels. Health effects are minimal but they can give water metallic taste or unfavorable color. Mercury, once thought to be inert because it does not mix with water, was discovered concentrated in shellfish on the edges of large industrial areas. Mercury causes nervous disorders. Inorganic Compounds Metals such as antimony, nickel and beryllium are covered in the standards under the inorganic compounds because their presence can cause kidney or liver effects.