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Q2 2013 Financial Results

Industrial Services & Oilsands Industrial Maintenance and Cleaning 82 Turnaround/Major Event Services Maintenance Project Services ◉ ◉ ◉ " Vacuum services High pressure cleaning Disposal and container services Daily InSite services ■ Fluids handling (Oilsands) " Mine maintenance and cleaning (Oilsands) Catalyst services Furnace pigging/de-coking Chemical cleaning Specialty high pressure cleaning Sonic cleaning ■ Pipeline coating service ■ Tank cleaning ■ Coker vessel ■ Hydrostatic testing ■ Ultra high pressure cutting ■ Sediment pond cleaning and maintenance CleanHarbor

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