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TECHNICAL REPORT
Atmospheric Pollutants and Trace Gases

A Micrometeorological Technique to Monitor Total Hydrocarbon Emissions from Landfarms to the Atmosphere

^a Dep. of Land Resource Science, Univ. of Guelph, Guelph, ON, Canada N1G 2W1
^b School of Engineering, Univ. of Guelph, Guelph, ON, Canada N1G 2W1
^c Bell Canada, 250 Fieldway Rd., Toronto, ON, Canada M8Z 3L2

Corresponding author (sausma{at}uoguelph.ca)

Received for publication April 21, 2000. Landfarming is used to treat petroleum hydrocarbon–contaminated soils and a variety of waste streams from industrial operations. Wastes are applied to a soil surface and indigenous soil microorganisms utilize the hydrocarbons in the applied waste as a carbon source for metabolism, thereby biodegrading the applied material. Concerns have been expressed that abiotic losses, such as volatilization, play a significant role in hydrocarbon reduction within the soil. To assist in better defining atmospheric releases of total hydrocarbons from landfarms treating petroleum hydrocarbons, a flux gradient micrometeorological approach was developed and integrated with a custom-built total hydrocarbon detector, and a novel air sampling system and averaging algorithm. The micrometeorological technique offers unobtrusive spatially averaged real-time continuous measurements, thereby providing a time history of emissions. This provides opportunities to investigate mechanisms controlling emissions and to evaluate landfarm management strategies. The versatility of the technique is illustrated through measurements performed at a remote landfarm used to treat diesel fuel–contaminated soil in northern Ontario and during routine operations at two active refinery landfarms in southwestern Ontario.

Abbreviations: db, dry basis • DOY, day of year • FID, flame ionization detector • THC, total hydrocarbon • THD, total hydrocarbon detector

This article has been cited by other articles:

				S. Ausma, G. C. Edwards, and T. J. Gillespie Laboratory-Scale Measurement of Trace Gas Fluxes from Landfarm Soils J. Environ. Qual., January 1, 2003; 32(1): 8 - 22. [Abstract] [Full Text] [PDF]