Purpose The purpose of my project is to determine if there is any significant difference in dissolved oxygen (DO) levels as measured by the traditional HACH® method or the newly developed CHEMets® test kit under typical field conditions. Hypothesis My hypothesis is that there is no significant difference in dissolved oxygen (DO) levels as measured by the traditional HACH® method or the newly developed CHEMets® test kit under typical field conditions. Review of Literature "Ours is a watery world, and we, its dominant species, are wal ....