The document discusses different methods used for environmental impact assessment (EIA), including simulation models, matrices, expert judgement, GIS mapping, and checklists. It focuses on checklists, explaining that they are structured lists of environmental factors that could be affected. Checklists can identify impacts on resources like soil, water, flora and fauna. They comprise simple lists with no impact information, descriptive lists that provide magnitude/importance of impacts, and scaling checklists that additionally assess impacts subjectively. Checklists provide an initial overview to guide interdisciplinary discussions in the EIA process.

2. METHODS OF EIA
• SIMULATION MODELS
• MATRICES & CHECKLIST
• EXPERTS JUDGEMENT
• GIS & MAP OVERLAYS
• FLOWCHARTS & DECISION TREES
• MULTICRITERIA ANALYSIS
• CONTIGENCY ANALYSIS

3. CHECKLIST
• IT REFERS TO THE STRUCTURED LIST OF ENVIRONMENTAL FACTORS POTENTIALLY BEING AFFECTED.
• THE MAIN FUNCTION OF CHECKLIST IS TO IDENTIFY ALL POSSIBLE CONSEQUENCES OF THE
PROPOSAL.
• IT SHOULD ENABLE IDENTIFICATION OF IMPACTS ON:
• SOIL
• WATER
• ATMOSPHERE
• FLORA
• FAUNA
• RESOURCES
• RECREATION
• CULTURAL

4. CHECKLIST
•IT COMPRISES OF 3 TYPES:
1.SIMPLE: NO INFORMATION NEEDED ON MAGNITUDE OR IMPORTANCE OF
IMPACTS
2.DESCRIPTIVE: REQUIRE INFORMATION ON MAGNITUDE OR IMPORTANCE OF
IMPACTS AS WELL AS INDICATION ON PREDICTION METHODS AND
INDICATORS
3.SCALING CHECKLIST: SIMILAR TO DESCRIPTIVE CHECKLIST, BUT WITH
ADDITIONAL INFORMATION ON SUBJECTIVE SCALING OF THE PARAMETERS
4.SCALING WEIGHING CHECKLIST: SIMILAR TO SCALING CHECKLIST, WITH
ADDITIONAL INFORMATION FOR THE SUBJECTIVE EVALUATION OF EACH
PARAMETER WITH RESPECT TO ALL THE OTHER PARAMETERS

5. SIMPLE CHECKLIST
SIMPLE CHECKLIST
DEVELOPED FOR THE
HUASAI-THALE NOI ROAD
PROJECT
*SOURCE - NATIONAL
ENVIRONMENT BOARAD
1980

6. WEIGHINNG & SCALING CHECKLIST

8. CHECKLIST: ENVIRONMENTAL SOURCE
Key criteria Key Environmental sources
Air & Climate
changes
• Air Quality levels
• SO2 levels
• CO2 emission
Protected areas Designated areas (ha) under national or international protection(e.g. Natura -2000 –
Special conservation areas & special protection areas
Natural
Resources
.....
Water .....
Soil .....
Landscape .....
Noise .....
Coastal Areas .....

9. • STRUCTURED LIST OF KEY POTENTIAL FACTORS FOR ANALYSIS OR KEY IMPACTS - AIDE-
MEMOIRE
• OFTEN RESULT FROM EXPERTS JUDGEMENT PUBLISHED BY PUBLIC / INTERNATIONAL
ORGANIZATIONS
• ENABLE INTERDISCIPLINARY DISCUSSIONS
• PREPARATORY STAGE FOR MATRIX ASSESS)MENT (CHECKLIST OF ACTIONS /ACTIVITIES
AND CHECKLIST OF ENVIRONMENTAL COMPONENTS
ADVANTAGES
DISADVANTAGES
• GUIDED TOUR - STANDARD ANALYSIS, MISSES SPECIFIC ISSUES