Pre-Existing Hazardous Substances

Example Definitions of "Pre-Existing Hazardous Substances"
Pre-Existing Hazardous Substances. Means Hazardous Substances located on, under about or with respect to the Treemont Facility prior to February 1, 2003 or the Katy Facility prior to July 1, 2003 or the Humble Facility prior to July 1, 2003.
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