The difference between turbidity and TSS is: A) There is no difference. B) Turbidity takes into account how particle properties (size, shape, etc.) while TSS does not. TSS can originate from domestic and industrial wastewater while turbidity is due primarily to runoff from agricultural and logging activities. Turbidity is determined by measuring the solid weight which does not pass D) through a 2 micron filter and TSS is measured by comparing how much light is scattered by the solids in solution. Which ions will give water a reddish (rust-coloured) hue? A) Sulfate ) B) Iron C) Manganese D) Phosphate Which of the following bedrocks could release sulfate ions into groundwater? A) Gypsum B) All of the above C) Granite D) Limestone High phosphate concentrations in waste water will lead to: A) The formation of corrosive phosphoric acid B) All of the above C) Eutrophication of lakes and rivers D) The precipitation of sodium phosphate scale