Chapter 1: Movement Of Cations Following The Decommissioning Of An Earthen Manure Storage -- Chapter 2: Biofiltration Optimization Strategies - operational and water quality adjustments -- Chapter 3: Evaluation Of The Efficacy Of A Treatment Pond System For Removal Of Concentrated Iron And Arsenic Produced From Water Treatment Plant (Wtp) Wastewater -- Chapter 4: Conceptualizing A Stress-Tolerant Bioremediation Strategy For Petroleum Hydrocarbon-Contaminated Soils In Cold Climates: A Preliminary Review.