Publication: The persistence study of gasoline residue in palm oil soil using gas chromatography mass spectrometry
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Date
2025-01
Authors
Fadzillah, Amirah Mislina Muhammad
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Abstract
Gasoline is often used as an accelerant in arson cases due to its highly volatile and flammable nature. However, detecting gasoline residues after a fire is challenging, as the residues may evaporate or degrade depending on environmental conditions and soil characteristics. This study examines the detection of gasoline residues in oil palm soil over five days by analyzing how soil type, depth, and environmental factors influence residue retention. In this study, 100 mL of gasoline was poured into a 60 cm PVC pipe containing oil palm soil. Residue sampling was conducted at different depths. An Agilent Gas Chromatography-Mass Spectrometry (GC-MS) system was used to identify gasoline compounds in the soil samples. The results revealed that gasoline residues were significantly reduced within the first three days. These findings enhance forensic soil sampling techniques, improve residue recovery strategies, and contribute to a more accurate interpretation of fire investigations by demonstrating the rapid degradation of gasoline in certain soil conditions.
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