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Resumen:
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Gasoline, oil, lubricants, and diesel fuel are all common compounds in our daily lives. These substances are the fuels that run today's complex society. Contained and used properly, they pose few problems. However, when spilled on the ground, they can cause massive problems in the environment. Such releases usually are followed by an assessment of the soil, and the degree and extent of environmental contamination. Here is where petroleum contaminated soils can become a hindrance. The analytical methods usually used to determine the physical and chemical character of the soil become problematic when the soil is mixed with a petroleum product. Most petroleum products adhere to soil, making any particle size analysis difficult; are lighter than water, interfering with any density based analysis; are hydrophobic, reducing the ability to determine water permeability functions; and are bio-chemically active; altering the soil's biotic interactions.
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