1. REU Final Report Jeff Kyle Dr. David Sabatini Gavin James

2. Research Question What are the sorptive properties of a specific soil based on the amount and type of organic matter contained within that soil?

3. Objectives Investigate sorption properties of Canadian River Alluvium (CRA) & powdered activated charcoal (PAC) Simulate Cheshire and Florida Peat Compare results

4. Hypothesis Do opaque particles tend to govern sorption behavior?

5. Materials Used CRA PAC Simulated Cheshire Simulated Florida Peat Organic Contaminant (Phenanthrene, C 14 H 10 ) Synthetic GW

6. Methods Used Develop initial equilibrium sorption study Develop initial kinetic sorption study Determine synthetic soil makeup Develop new equilibrium and kinetic sorption studies Make comparisons

7. Anticipated Results Large K fr and K oc values for PAC (why?) K fr and K oc values for simulated soils will differ (why and how?) K fr increases as f oc increases

8. Actual Results

9. Actual Results (cont) CRA Equilibrium Isotherm % Opaque = 0.04 % f oc = 0.40 K fr = 357.27

10. Actual Results (cont) Cheshire Equilibrium Isotherm (top) % Opaque = 0.08 % foc = 1.40 K fr = 2789.80 Sim. Cheshire (bottom) % Opaque = 0.08 % foc = 0.48 K fr = 2209.10

11. Actual Results (cont) Fl. Peat Equilibrium Isotherm (top) % Opaque = 3.99 % foc = 49.30 Kfr = 70,574 Sim. Fl. Peat (bottom) % Opaque = 3.99 % foc = 4.39 Kfr = 56,760

12. Actual Results (cont)

13. Conclusions CRA displays expected K fr and K oc values PAC displays large K fr and K oc values, as expected Soil comparisons follow general trends; opaque important, but must consider all OC