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Chemical Agents of Opportunity for Terrorism: TICs & TIMs

Chemical Agents of Opportunity for Terrorism: TICs & TIMs

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<strong>Chemical</strong> <strong>Agents</strong> <strong>of</strong> <strong>Opportunity</strong> <strong>for</strong> <strong>Terrorism</strong><br />

Training Support Package<br />

Participant Guide<br />

Slide 5<br />

<strong>Chemical</strong> <strong>Agents</strong> <strong>of</strong> <strong>Opportunity</strong> <strong>for</strong> <strong>Terrorism</strong>:<br />

<strong>TICs</strong> & <strong>TIMs</strong><br />

Coagulation/Flocculation<br />

Module One - <strong>Chemical</strong> Contamination <strong>of</strong> Food, Water, and Medication<br />

5<br />

Coagulation removes dirt and other particles suspended in water. Alum and other<br />

chemicals are added to water to <strong>for</strong>m tiny particles called “floc” which attract the dirt<br />

particles. The combined weight <strong>of</strong> the dirt and alum (floc) become heavy enough to sink<br />

to the bottom during sedimentation.<br />

This step is the “first pass” at removal <strong>of</strong> contaminants and is important both <strong>for</strong> water<br />

clarity and safety.<br />

December 2008 Version 2.0 Page 261

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