Normal view MARC view ISBD view

Sharma, Keshav (UC1813)

Environmental risk assessment of foundry sand for pavements (Softcopy is also available) - 2018 - vii,vii,41p.

CONTENTS
ACKNOWLEDGEMENT i
ABSTRACT ii
Table of Contents iii
List of Tables vi
List of Charts vi
List of Figures vi
List of Abbreviations vii
1 INTRODUCTION 1
1.1 Outline 1
1.2 Need for Study 1
1.3 Research Objectives 2
1.4 Research Methodology 2
1.5 Research Schedule 3
2 LITERATURE STUDY 4
2.1 About Foundry sand 4
2.2 Types of Foundry sands 4
2.2.1 SFS Constituents: 5
2.3 Foundry Sand Uses and Availability 6
2.3.1 SFS as sand replacement 6
2.3.2 Waste foundry sand: Physical properties 7
2.3.3 Waste foundry sand: Chemical Properties 8
2.4 Global Scenario 9
2.5 Critical review: Environmental Impact of Foundry Sand 9
2.6 Environmental Considerations 10
2.6.1 Characterization of foundry sand 10
2.6.2 Evaluation of leaching 11
2.6.3 Risk evaluations 13
2.7 Environmental Impact Modelling Tools 14
2.8 Risk Management Criteria: 15
3 METHODOLOGY 16
3.1 Analysis Plan 16
3.1.1 Approach by EPA 16
3.1.2 Roadmap to the report 17
3.1.3 Proposed Simplified Framework for Research 18
4 BENCHMARK ESTABLISHMENT 20
4.1 Conceptual Model for Environmental Impact 20
4.2 Likely Exposure Pathways/Receptors 21
4.3 Benchmarks 21
4.3.1 Ambient Air Pathway 21
4.3.2 Groundwater Pathway: 27
4.3.3 Soil Pathway 31
5 ANALYSIS 34
5.1 Air Pathway 34
5.2 Water Pathway 34
5.2.1 Types of Leach Tests 34
5.3 Soil Pathway 35
6 SUGGESTIVE MEASURES 36
6.1 Air Pathway 36
6.2 Water Pathway 36
6.3 Soil Pathway 36
7 CONCLUSIONS 37
8 BIBLIOGRAPHY 39
9 ANNEXURE 41
9.1 OSWER Benchmark Hierarchy 41


Dewey Class. No.: B TH-0736 / SHA