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The chemical notation for the perchlorate ion is ClO− 4. The ion has a molecular mass of 99.45 amu.

Perchlorate is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Perchlorate books and related discussion.

Suggested Pdf Resources

Fact Sheet: Preliminary Regulatory Determinations for the Second
EPA has decided to regulate perchlorate under the Safe Drinking Water Act ( SDWA).
Interim Drinking Water Health Advisory for Perchlorate
iii. Interim Drinking Water Health Advisory for Perchlorate.
Perchlorate Contamination Treatment Alternatives
Table 1, List of Perchlorate Contamination Treatment Technologies. .
2.1 National Map of Perchlorate Detections in Drinking Water ................................... .
Perchlorate is a toxic chemical typically found in weapons, explosives and rocket fuel. Salts in perchlorate provide oxygen so rocket fuel can burn.

Suggested News Resources

San Gabriel Valley Superfund settlements yield $4 million
From the 1950s through the '70s, the metal plating, dry cleaning and aerospace industries frequently used chemicals including TCE and perchlorate as solvents, to do things like clean clothes and de-grease equipment.
EPA reaches $4.4 million in Superfund settlements
The deals announced Thursday resolve liabilities in the South El Monte area for contamination from industrial solvents and from the chemical perchlorate in groundwater. One of the settlements is with defense and aerospace company Aerojet.
EPA Seeks Input Drinking Water Perchlorate Regulation
This panel will focus on the agency's development of a rule that proposes to regulate the amount of perchlorate, a potentially harmful chemical, in drinking water.
Pitt grad student burned in chemical explosion
The graduate student, a 30-year-old man, was working in a room on the 11th floor of the Chevron Science Center when a beaker containing mercury perchlorate hydrate broke, Pitt spokesman John Fedele said.
Rialto: Possible health problems from old wells
The report, released this week, said that the amount of perchlorate found during some periods in West Valley Water District's well No. 22 and Rialto's well No. 2 could have delayed speech development in some children there.

Suggested Web Resources

Perchlorate - Wikipedia, the free encyclopedia
Perchlorates are the salts derived from perchloric acid (HClO4). They occur both naturally and through manufacturing.
Perchlorate | Unregulated | US EPA
Jun 30, 2011 Perchlorate is both a naturally occurring and man-made chemical that is used to produce rocket fuel, fireworks, flares and explosives.
Perchlorate is both a naturally occurring and manmade contaminant increasingly found in groundwater, surface water and soil.
Perchlorate in Drinking Water
Perchlorate | Environmental Working Group
Ammonium perchlorate is the oxidant in solid rocket fuel.

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