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Since 2016, Stone’s supported Vermont Electric Power Company (VELCO) with pre-characterization assessments of their electrical substations throughout the State of Vermont. These assessments investigate the degree and extent of potential contaminants in substation soil and building materials from spills from oil-containing electrical equipment, use of asbestos-containing materials, or other site-specific potential contaminant sources. They also support VELCO’s Section 248 notifications to the Public Utility Commission before electrical substation renovations, which have previously included entire substation rebuilds.