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Q2 2013 Financial Results

Surface Rentals Trailing 12 Month Revenues June 2013 110 ■Solids control systems ■Wastewater treatment ■Wellsites Tank rentals ■ Significant portion of business in highest margin potential services Strong growth potential in wastewater treatment - in U.S. and Canada ■ Both wellsites and tank rentals typically bundled with solids control systems Clean Harbors

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