CHAPTER 1 INTRODUCTION 1
1.1 Unintended consequences of shale gas operations: Environmental risk 1
1.1.1 Chemicals in Wastewater 9
1.1.2 Wastewater Leakage 12
1.2 Human Health Risk Assessment 13
1.2.1 Planning -Planning and Scoping process 13
1.2.2 Step 1 -Hazard Identification 14
1.2.3 Step 2 -Dose-Response Assessment 16
1.2.4 Step 3 -Exposure Assessment 19
1.2.5 Step 4 -Risk Characterization 20
1.2.6 Step 5 Sensitive Analysis 20
CHAPTER 2 MATHMATIC MODELS 22
2.1 Human Health Risk Assessment Model 23
2.2 Monte-Carlo Method 24
CHAPTER 3 RISK ASSESSMENT MODEL APPLICATION 25
3.1 Introduction 25
3.2 Method and materials 27
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