welcome to t210 environmental control and public health
TRANSCRIPT
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Welcome to T210
Environmental Control and Public Health
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Course structureBlock 1 - Environment, risk & public health
Block 2 – Food processing and distribution
Block 3 – Water pollution control
Block 4 – Waste management
Block 5 – Noise control
Block 6 – Air quality management
Block 7 – Environmental impact assessment
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Course materials.
Course textsSet bookAudio-visual materialHome experiment kit
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Online Resources
First Class conferencingStudent home https://msds.open.ac.uk/students/
index.aspx
Course website http://students.open.ac.uk/desktop/t210-
05/
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Evaluation
TMAsExamination Part 1
Pairs of questions for blocks 2 to 6 Answer one question from each pair
Part 2 Compulsory question
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TMAs – Some Advice
Plan aheadMark your notesSubmit on timeSubmit partial TMAsCollaborationSubstitution
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TMA01 – Some Tips
The key to success is:PlanningPreparationPresentation
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PlanningPlan ahead
Don’t leave until last minute!
Look at mark allocations
Post before cut off date
Don’t send by Recorded Delivery
Weigh - ensure enough stamps!
Extensions
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Preparation
Read question carefullyAnswer the question given!Gather dataDecide on structurePlan
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Preparation – One Approach
Read question carefullyUse “mind map” / “spray diagram”Organise ideas into structureLook in course materials for evidencePrepare diagrams, figures and tables
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Presentation
Structure Headings and sub-headings Paragraphs
Use tables and diagrams Where appropriate!
SpacingMargins
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Tables and Diagrams
Use to present and summarise dataGood tables and diagrams can make it easy for reader to understand
information save on word count
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Tables and Diagrams
Think carefully about information you want to convey type and design location
Titles and labelling always give a title clear labelling
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Exercise
Plotting dose response curves
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Plotting Dose-Response Curves
Determine % killed in each groupPlot % killed against dose dose on x axis % killed on y axis
Can use linear or logarithmic scale on x axisIf using Excel to plot graph, use the x y scatter type chart.
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Dose - Response
dose No. of deaths Group size % deaths
5 0 20 0
10 0 20 0
25 3 20 15
50 7 20 35
100 15 20 75
250 19 20 95
500 20 20 100
1000 20 20 100
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Dose - Response Curve
0
10
20
30
40
50
60
70
80
90
100
0 100 200 300 400 500 600 700 800 900 1000 1100 1200
Dose (mg/kg)
% d
eath
s
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Dose - Response Curve(logarithmic x axis)
0
10
20
30
40
50
60
70
80
90
100
1 10 100 1000 10000
Dose (mg/kg)
% d
eath
s
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Exercise
Exposure (μg/L)
0.8 1.4 3.3 3.9 7.5 11.2 11.8 14.5 31.0
Killed 1 2 0 1 10 47 46 60 60
Tested 60 60 60 60 60 60 60 60 60
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Exposure - Response Curve
0
10
20
30
40
50
60
70
80
90
100
110
0 5 10 15 20 25 30 35
Exposure (ug/litre)
% D
eath
s