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AWWA QTC97006
- Identification of Dicyclopentadiene at Trace Levels as the Compound Causing Odor Events in Groundwater
- Conference Proceeding by American Water Works Association, 01/01/1997
- Publisher: AWWA
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Recently, in Barcelona, Spain, odor incidents were reported in two very different and distant areas. The groundwater and tap water from a rural area located in a pristine environment and from several groundwater wells situated in an urban area near a water treatment plant were monitored in order to determine the origin of these taste and odor episodes. Preliminary analytical data showed that dicyclopentadiene (DCPD) and several of its derivatives could be the compounds responsible for the odor incidents. DCPD is used as an intermediate in the manufacture of a large variety of products such as pesticides, rubbers, binders, stabilizers and resins. The aim of this paper is to elucidate which compound or compounds present in the groundwaters are considered to be responsible for the odor of the water. The fate and occurrence of these compounds are also addressed. The analytical methodology used consisted of closed loop stripping analysis, sensory gas chromatography (GC) and GC-mass spectrometry for the identification of odorous compounds in groundwater after comparison with synthesized DCPD derivatives.
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