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4 marksPollution Monitoring, Policy, and International Conventions

CAPE Environmental Science Unit 2 · 2015 · Paper 2 · Question 5(b)(iii)

Figure 5 shows a factory discharging an effluent stream containing chromium at 150 m³ per day into both Lake Tranquility and Spring Lake.

The two lakes supply drinking water for nearby communities. Explain how technological and legislative measures can be applied to solve the pollution issue in Lake Tranquility and Spring Lake.

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Other parts of this question

  1. 5(a)(i)Identify THREE pollutants that could originate from a solid waste landfill.[3 marks]
  2. 5(a)(ii)Calculate the percentage increase in solid waste deposited at landfills in Saint Lucia from 1999 to 2000.[4 marks]
  3. 5(a)(iii)Given Saint Lucia's population of approximately 152 000 in 1998, calculate the solid waste per capita sent to landfills in 1998.[2 marks]
  4. 5(a)(iv)Briefly describe ONE health risk associated with excessive noise from landfill activities.[2 marks]
  5. 5(b)(i)Identify TWO environmental receptors for the chromium emitted by the factory.[2 marks]
  6. 5(b)(ii)Explain whether it is necessary that these environmental receptors be situated directly in the lakes.[3 marks]

More practice: the rest of this paper · more Pollution Monitoring, Policy, and International Conventions questions · all CAPE Environmental Science Unit 2 past papers