Water Contamination & Human Health Notes (Biomedical AS)
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14 Terms
What pH level should water be at?
7
What is Lead?
a bluish-gray metal found in the earth’s crust.
What is Radon?
A cancer-causing, radioactive gas.
What are some examples of chemicals that produce ammonium?
Urea, and proteins in manure.
Which Chromium type(s) have the highest toxicity?
Chromium-6, and Chromium-0
What is Copper usually used for?
Household Plumbing
Give me the chemical definition of cyanide
a carbon-nitrogen unit
Does Iron cause a risk to human health?
No.
What are nitrates most often used as?
A fertilizer.
What are the 3 common causes of contamination?
Waste & Industrial Discharge, Runoffs and Agriculture, Subsurface and Mining.
Which Chromium type(s) have the lowest toxicity?
Chromium-3
Where is Silica usually found in?
Sand or Quartz
Function of Phosphates?
Helps plants & animals grow
What is Chlorine used for?
water additive; controls microbes in water.