Intro
Contents
About the Editors
Detecting NAPL in Unsaturated Soil
1 Background
2 Approach
3 Results and Discussion
3.1 Lessons Learned
References
Odour Emission and Dispersion from a Cold Region Municipal Wastewater Treatment Plant
1 Introduction
2 Materials and Methods
2.1 H2S and NH3 EREs from the Open-to-Air Facilities
2.2 Dispersion Modelling: AERMOD Model
3 Results and Discussion
3.1 EREs
3.2 AERMOD
4 Conclusions
References

Assessment of Agricultural Waste Products for Cost-Effective and Eco-Friendly Treatment of Arsenic Contaminated Waters
1 Introduction
2 Materials and Methods
2.1 Materials
2.2 Analysis
2.3 Batch Sorption Experiments
2.4 FTIR Spectroscopy
2.5 Kinetic Studies
3 Results and Discussion
3.1 FTIR Spectra
3.2 Effect of Initial pH
3.3 Sorption Kinetics
4 Conclusions
References
Using the STP-EX Model for a Screening Level Assessment of Chemicals of Emerging Concern During the Municipal Wastewater Treatment Plant Process
1 Introduction

2 Model Background and Inputs
2.1 STP-EX Model
2.2 Model Input Parameters
2.3 Biodegradation
3 Results and Discussion
3.1 Partitioning Maps
3.2 Case Studies
4 Conclusions
References
Biofiltration Optimization Strategies-Operational and Water Quality Adjustments
1 Introduction
2 Methods
2.1 Laboratory Biofilter Column Methodology (Carleton University, Ottawa)
2.2 Pilot Scale Methodology (Britannia Water Treatment Plant, Ottawa)
2.3 Microbial Measurements
3 Results and Discussion

3.1 Water Quality Impacts of pH and Alkalinity on Biofilter Column Performance
3.2 Backwashing Impacts on Biofilter Column Performance
4 Conclusion
References
Evaluation of Arsenic and Iron Transport from Sediments of a Potable Water Treatment Wastewater Pond System
1 Introduction
2 Methodology
2.1 DWTP and Settling Pond System
2.2 Sampling and Analysis
3 Results and Discussion
3.1 As Sediment and Wastewater Concentrations
3.2 Fe Sediment and Wastewater Concentrations
3.3 As and Fe Variations in Ponds
4 Conclusions
References

Conceptualizing a Stress-Tolerant Bioremediation Strategy for Petroleum Hydrocarbon-Contaminated Soils in Cold Climates: A Preliminary Review
1 Introduction
2 Bioremediation of PHC-Contaminated Soils in Cold Climates
3 PHC-Degradation Kinetics at Low Temperatures
4 Summary
References
Soil Treatment Towards Stress-Tolerant Bioremediation Strategy for Petroleum Hydrocarbon-Contaminated Soils in Cold Climates Using Zeolite as a Remediation Agent: A Preliminary Study
1 Introduction
2 Materials and Methods
2.1 Site Soil Characterization