Phase I:

Particle Concentration Comparisons

Average Particle Concentrations

Average Concentrations: Top vs. Bottom

Median Particle Diameter Comparisons

Median Particle Diameter Averages: Top vs. Bottom

Particle Concentrations: Run 88/89 vs. Run 124

Median Particle Diameters: Run 88/89 vs. Run124

Phase II:

Particle Concentrations on Phase II Leaves

Median Particle Diameters: Urban to Rural

Percentage Elements in Particles: Urban to Rural

Daily Rainfall: Aug.-Sept. 1999

Particle Concentrations Before and After Rain

Median Particle Sizes Before and After Rain

Percentage Elements in Particles Before and After Rain

Element Concentrations Before and After Rain

Particle Concentrations on Rinsed Leaves

Median Particle Diameters on Rinsed Leaves

Percentage Elements in Particles on Rinsed Leaves

Median Particle Diameters on Aerosol Filters

Percentage Elements in Particles on Aerosol Filters

Sulphur vs. Calcium in Aerosol Particles on Filters

Photos of Trees and Leaves Sampled

Photos of Procedural Steps
              Analysis Blocks
              Detection Threshold Setup
              Rinsing of Leaves
              X-Ray Analysis of Individual Particles

Image Gallery (All Images)

Phase I Sampling Locations

Phase II Sampling Locations

Phase I Sampling Information

Phase II Sampling Information