Issue Date: September/October 2009


GEOSTRATA, 2009, September/October, 36-40   Figure 1.  City of Dearborn, plan of CSO sites (courtesy of Layne GeoConstruction). The Environmental Protection Agency has cited combined sewer overflow (CSO) discharges as a significant source of pollution to the nation’s surface waters and, in the Clean Water Act of 1972, called for the correction of water quality […]

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Categorized as: Grouting