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EPM821S - ENVIRONMENTAL POLLUTION MONITORING AND REMEDIATION - 1ST OPP - NOVEMBER 2024 |
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nAm I BIA UnlVERSITY
OF SCIEnCE AnDTECHnOLOGY
FacultyofHealth,Natural
ResourceasndApplied
Sciences
Schoolof NaturalandApplied
Sciences
Departmenot f Biology,
ChemistryandPhysics
13Jackson Kaujeua Street
Private Bag 13388
Windhoek
NAMIBIA
T: +26461207 2012
F: +26461207 9012
E: dbcp@nust.na
W: www.nust.na
QUALIFICATION : BACHELOR of SCIENCE HONOURS
QUALIFICATION CODE: 08BOSH
LEVEL: 8
COURSE:ENVIRONMENTAL POLLUTION, MONITORING AND
COURSECODE: EPM821S
REMEDIATION
DATE: NOVEMBER 2024
SESSION: 1
DURATION: 3 HOURS
MARKS: 100
FIRST OPPORTUNITY: QUESTION PAPER
EXAMINER:
MODERATOR:
Ms Mary Mutwa
Prof James Abah
INSTRUCTIONS
1. Answer all questions on the separate answer sheet.
2. Please write neatly and legibly.
3. Do not use the left side margin of the exam paper. This must be allowed for the
examiner.
4. No books, notes and other additional aids are allowed.
5. Mark all answers clearly with their respective question numbers.
This paper consists of 3 pages including this front page
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QUESTION 1:
1.1 Define the following:
a) Mitigation
b) Waste
c) Remote sensing
d) Brackish water
e) Industrial metabolism
1.2 What are the advantages and benefits of EIA?
1.3 Explain overtopping in terms of tailing dam failure.
r20 l
(10)
(8)
(2)
QUESTION 2:
[20)
2.1 What information does an EIA report provide for decision makers/stakeholders?
(5)
2.2 What are the nine general principles of EIA application?
(9)
2.3 What are the 3 categories of water treatment? Explain them briefly
(6)
QUESTION 3:
[20)
3.1 List the five major components of an industrial ecosystem.
(5)
3.2 List and explain the five options for disposing hazardous waste.
10)
3.3 What are the factors that must be taken into account when designing and operating an
industrial water treatment facility?
(5)
QUESTION 4:
[20)
4.1 Differentiate between
(4)
a) Analysers and Monitors
b) Bioaccumulation and Biomagnification
4.2 What factors determine how much brine can be disposed of in a field? (assuming the
brine does not contain Boron)
(6)
4.3 What are the 5 hazardous substances to avoid in Green Chemistry? Explain them briefly
(10)
QUESTION 5:
5.1 The figure below shows methods of reclamation of saline soils.
Briefly describe the scenarios from a to f.
Method, of n:d!lffisrion of saline soil
[201
(6)
• SaIt parti d~
( Wul<!rdrcpeu
• CJ)-:<1.!iIt1hihitn
Environmental Pollution Monitoring And Remediation (EPM 821S) 1st Opportunity November 2024 2
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5.2 The following are international bodies concerned with waste. Briefly outline their different
aims/purposes.
{10}
a) UNEP
b) UNCED
c) UNCTAD
d) OECD
e) Basal convention
5.3 Explain what is meant by the term "polluter pays principle" {PPP).
(2)
5.4 Explain why the term "mine waste storage" is preferred to the more common "mine waste
disposal.
(2)
END OF QUESTION PAPER
Environmental Pollution Monitoring And Remediation (EPM 821S) 1st Opportunity November 2024 3