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            | 90410000-4 | Sewage removal services | 
        
        
        
        
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            | 90430000-0 | Sewage disposal services | 
        
        
        
        
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            | 90450000-6 | Treatment services of septic tanks | 
        
        
        
        
            | 90460000-9 | Cesspool or septic tank emptying services | 
        
        
        
        
            | 90470000-2 | Sewer cleaning services | 
        
        
        
        
            | 90480000-5 | Sewerage management services | 
        
        
        
        
            | 90481000-2 | Operation of a sewage plant | 
        
        
        
        
            | 90490000-8 | Sewer survey and sewage treatment consultancy services | 
        
        
        
        
            | 90491000-5 | Sewer survey services | 
        
        
        
        
            | 90492000-2 | Sewage treatment consultancy services | 
        
        
        
        
            | 90500000-2 | Refuse and waste related services | 
        
        
        
        
            | 90510000-5 | Refuse disposal and treatment | 
        
        
        
        
            | 90511000-2 | Refuse collection services | 
        
        
        
        
            | 90511100-3 | Urban solid-refuse collection services | 
        
        
        
        
            | 90511200-4 | Household-refuse collection services | 
        
        
        
        
            | 90511300-5 | Litter collection services | 
        
        
        
        
            | 90511400-6 | Paper collecting services | 
        
        
        
        
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            | 90513100-7 | Household-refuse disposal services | 
        
        
        
        
            | 90513200-8 | Urban solid-refuse disposal services | 
        
        
        
        
            | 90513300-9 | Refuse incineration services | 
        
        
        
        
            | 90513400-0 | Ash disposal services | 
        
        
        
        
            | 90513500-1 | Treatment and disposal of foul liquids | 
        
        
        
        
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            | 90513800-4 | Sludge treatment services | 
        
        
        
        
            | 90513900-5 | Sludge disposal services | 
        
        
        
        
            | 90514000-3 | Refuse recycling services | 
        
        
        
        
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            | 90521000-5 | Radioactive waste treatment services | 
        
        
        
        
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            | 90522200-4 | Disposal of contaminated soil | 
        
        
        
        
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            | 90610000-6 | Street-cleaning and sweeping services | 
        
        
        
        
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            | 90620000-9 | Snow-clearing services | 
        
        
        
        
            | 90630000-2 | Ice-clearing services | 
        
        
        
        
            | 90640000-5 | Gully cleaning and emptying services | 
        
        
        
        
            | 90641000-2 | Gully cleaning services | 
        
        
        
        
            | 90642000-9 | Gully emptying services | 
        
        
        
        
            | 90650000-8 | Asbestos removal services | 
        
        
        
        
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            | 90710000-7 | Environmental management | 
        
        
        
        
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            | 90712000-1 | Environmental planning | 
        
        
        
        
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            | 90714000-5 | Environmental auditing | 
        
        
        
        
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            | 90714300-8 | Sectoral environmental auditing services | 
        
        
        
        
            | 90714400-9 | Activity specific environmental auditing services | 
        
        
        
        
            | 90714500-0 | Environmental quality control services | 
        
        
        
        
            | 90714600-1 | Environmental security control services | 
        
        
        
        
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            | 90715100-3 | Chemicals and oil pollution investigation services | 
        
        
        
        
            | 90715110-6 | Gasworks site investigation | 
        
        
        
        
            | 90715120-9 | Chemical works or oil refinery waste site investigation | 
        
        
        
        
            | 90715200-4 | Other pollution investigation services | 
        
        
        
        
            | 90715210-7 | Oil depot or terminal site investigation | 
        
        
        
        
            | 90715220-0 | Industrial site investigation | 
        
        
        
        
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            | 90720000-0 | Environmental protection | 
        
        
        
        
            | 90721000-7 | Environmental safety services | 
        
        
        
        
            | 90721100-8 | Landscape protection services | 
        
        
        
        
            | 90721200-9 | Ozone protection services | 
        
        
        
        
            | 90721300-0 | Food or feed contamination protection services | 
        
        
        
        
            | 90721400-1 | Genetic resources protection services | 
        
        
        
        
            | 90721500-2 | Toxic substances protection services | 
        
        
        
        
            | 90721600-3 | Radiation protection services | 
        
        
        
        
            | 90721700-4 | Endangered species protection services | 
        
        
        
        
            | 90721800-5 | Natural risks or hazards protection services | 
        
        
        
        
            | 90722000-4 | Environmental rehabilitation | 
        
        
        
        
            | 90722100-5 | Industrial site rehabilitation | 
        
        
        
        
            | 90722200-6 | Environmental decontamination services | 
        
        
        
        
            | 90722300-7 | Land reclamation services | 
        
        
        
        
            | 90730000-3 | Pollution tracking and monitoring and rehabilitation | 
        
        
        
        
            | 90731000-0 | Services related to air pollution | 
        
        
        
        
            | 90731100-1 | Air quality management | 
        
        
        
        
            | 90731200-2 | Transboundary air pollution management or control services | 
        
        
        
        
            | 90731210-5 | Purchase of CO2 emission credits | 
        
        
        
        
            | 90731300-3 | Air pollution protection services | 
        
        
        
        
            | 90731400-4 | Air pollution monitoring or measurement services | 
        
        
        
        
            | 90731500-5 | Toxic gas detection services | 
        
        
        
        
            | 90731600-6 | Methane monitoring | 
        
        
        
        
            | 90731700-7 | Carbon dioxide monitoring services | 
        
        
        
        
            | 90731800-8 | Airborne particle monitoring | 
        
        
        
        
            | 90731900-9 | Ozone depletion monitoring services | 
        
        
        
        
            | 90732000-7 | Services related to soil pollution | 
        
        
        
        
            | 90732100-8 | Soil pollution protection services | 
        
        
        
        
            | 90732200-9 | Polluted soil removal services | 
        
        
        
        
            | 90732300-0 | Polluted soil treatment or rehabilitation | 
        
        
        
        
            | 90732400-1 | Soil pollution advisory services | 
        
        
        
        
            | 90732500-2 | Soil pollution mapping | 
        
        
        
        
            | 90732600-3 | Soil pollution measurement or monitoring | 
        
        
        
        
            | 90732700-4 | Organic fertilizer pollution assessment | 
        
        
        
        
            | 90732800-5 | Pesticides pollution assessment | 
        
        
        
        
            | 90732900-6 | Nitrates and phosphates pollution assessment | 
        
        
        
        
            | 90732910-9 | Nitrates pollution assessment | 
        
        
        
        
            | 90732920-2 | Phosphates pollution assessment | 
        
        
        
        
            | 90733000-4 | Services related to water pollution | 
        
        
        
        
            | 90733100-5 | Surface water pollution monitoring or control services | 
        
        
        
        
            | 90733200-6 | Surface water pollution rehabilitation services | 
        
        
        
        
            | 90733300-7 | Surface water pollution protection services | 
        
        
        
        
            | 90733400-8 | Surface water treatment services | 
        
        
        
        
            | 90733500-9 | Surface water pollution drainage services | 
        
        
        
        
            | 90733600-0 | Transboundary water pollution management or control services | 
        
        
        
        
            | 90733700-1 | Groundwater pollution monitoring or control services | 
        
        
        
        
            | 90733800-2 | Groundwater pollution drainage services | 
        
        
        
        
            | 90733900-3 | Groundwater pollution treatment or rehabilitation | 
        
        
        
        
            | 90740000-6 | Pollutants tracking and monitoring and rehabilitation services | 
        
        
        
        
            | 90741000-3 | Services related to oil pollution | 
        
        
        
        
            | 90741100-4 | Oil spillage monitoring services | 
        
        
        
        
            | 90741200-5 | Oil spillage control services | 
        
        
        
        
            | 90741300-6 | Oil spillage rehabilitation services | 
        
        
        
        
            | 90742000-0 | Services related to noise pollution | 
        
        
        
        
            | 90742100-1 | Noise control services | 
        
        
        
        
            | 90742200-2 | Noise pollution protection services | 
        
        
        
        
            | 90742300-3 | Noise pollution monitoring services | 
        
        
        
        
            | 90742400-4 | Noise pollution advisory services | 
        
        
        
        
            | 90743000-7 | Services related to toxic substances pollution | 
        
        
        
        
            | 90743100-8 | Toxic substances monitoring services | 
        
        
        
        
            | 90743200-9 | Toxic substances rehabilitation services | 
        
        
        
        
            | 90900000-6 | Cleaning and sanitation services | 
        
        
        
        
            | 90910000-9 | Cleaning services | 
        
        
        
        
            | 90911000-6 | Accommodation, building and window cleaning services | 
        
        
        
        
            | 90911100-7 | Accommodation cleaning services | 
        
        
        
        
            | 90911200-8 | Building-cleaning services | 
        
        
        
        
            | 90911300-9 | Window-cleaning services | 
        
        
        
        
            | 90912000-3 | Blast-cleaning services for tubular structures | 
        
        
        
        
            | 90913000-0 | Tank and reservoir cleaning services | 
        
        
        
        
            | 90913100-1 | Tank-cleaning services | 
        
        
        
        
            | 90913200-2 | Reservoir cleaning services | 
        
        
        
        
            | 90914000-7 | Car park cleaning services | 
        
        
        
        
            | 90915000-4 | Furnace and chimney cleaning services | 
        
        
        
        
            | 90916000-1 | Cleaning services of telephone equipment | 
        
        
        
        
            | 90917000-8 | Cleaning services of transport equipment | 
        
        
        
        
            | 90918000-5 | Bin-cleaning services | 
        
        
        
        
            | 90919000-2 | Office, school and office equipment cleaning services | 
        
        
        
        
            | 90919100-3 | Cleaning services of office equipment | 
        
        
        
        
            | 90919200-4 | Office cleaning services | 
        
        
        
        
            | 90919300-5 | School cleaning services | 
        
        
        
        
            | 90920000-2 | Facility related sanitation services | 
        
        
        
        
            | 90921000-9 | Disinfecting and exterminating services | 
        
        
        
        
            | 90922000-6 | Pest-control services | 
        
        
        
        
            | 90923000-3 | Rat-disinfestation services | 
        
        
        
        
            | 90924000-0 | Fumigation services |