7
Oil and water separators; apparatus for water and soil ventilation, namely pumping devices for pumping gas into water and/or into soil; soil air suction apparatus, namely fans for extracting gas from soil by suction; installations for treating contaminated soil, water and air, mainly consisting of oil and water separators, apparatus for water and soil ventilation, namely pumping devices for pumping gas into water and/or into soil, and/or soil air suction apparatus, namely fans for extracting gas from soil by suction
11
Apparatus for filtering and cleaning liquids, in particular ground water, drinking water, service water and wastewater, and gases, in particular air; candle filters, gravel filters; sedimentation basins and tanks for sedimentation, oil and water separators; ion exchange apparatus, water treatment apparatus, in particular for protection against limescale; apparatus for treating water and air by means of activated carbon and catalytic oxidation; installations for treating contaminated soil, water and air, mainly consisting of apparatus for filtering and cleaning liquids, in particular ground water, drinking water, service water and wastewater, and gases, in particular air, of candle filters, of gravel filters, of sedimentation basins and tanks for sedimentation, of ion exchange apparatus, of water treatment apparatus, in particular for protection against limescale and/or of apparatus for treating water and air by means of activated carbon and catalytic oxidation
37
Implementation of measures aimed at fully or partially repairing environmental damage, namely construction work, demolition, boring of shafts and wells and rental of construction equipment
40
Implementation of measures aimed at fully or partially repairing environmental damage, namely cleaning contaminated soil, water and air by mechanical, biological, chemical-physical or thermal means; implementation of measures aimed at fully or partially repairing environmental damage, namely removing hazardous substances from contaminated soil, water or air by mechanical, biological, chemical-physical or thermal means, destruction and incineration of rubbish and waste
42
Measures in the field of the full or partial repair of environmental damage, namely geological and physical research, research in the field of chemistry, bacteriology and mechanical engineering, land surveying, compiling of geological and technical reports, technical consultancy and building consultancy, construction drafting and project development