character: Mr. John Whitaker
topic: Testing Methods for Water Contaminants
grade: 12
subject: Chemistry
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character: Dr. Lisa Reynolds
topic: Analyzing Heavy Metals in Drinking Water
grade: 12
subject: Chemistry
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character: Ms. Angela Carter
topic: Biochemical Testing for Waterborne Pathogens
grade: 12
subject: Chemistry
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character: Professor Mark Thompson
topic: Innovative Techniques in Water Quality Assessment
grade: 12
subject: Chemistry
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