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  • Article from 14.02.2022 | Last changed: 15.02.2022

    Economic issues

    … Above all, however, it must be free of pathogens and comply with limit values for chemical parameters. Only through treatment and purification does groundwater and … Above all, however, it must be free of pathogens and comply with limit values for chemical parameters. Only through treatment and purification does groundwater and …

  • Article from 30.11.2014 | Last changed: 10.11.2017

    Chemical Quality Standards and Assessment

    … Chemical Quality Standards and Assessment In Germany there are EU-wide environmental … risk assessment for terrestrial amphibians (TerAmphiTox) Reducing the input of chemicals into waters: trifluoroacetate (TFA) as a persistent and mobile substance …

  • Article from 24.06.2015 | Last changed: 26.01.2018

    Checklists for drawing up safety reports

    … waters Checklists for Tailings Management Facilities Checklists for the chemical industry Checklists for refineries More Checklists Downloads Checklists …

  • Article from 11.04.2025 | Last changed: 11.04.2025

    Monitoring and assessment

    … developments. Monitoring methods Ships are used to collect biological, physico-chemical and hydrographic data. Fixed buoys measure hydrographic and physico-chemical values in continuous operation. The large-scale distribution of macroalgae, … by the Surface Waters Ordinance (OGewV) and provides for an assessment of the chemical status and ecological potential of transitional and coastal waters every …

  • Article from 02.02.2022 | Last changed: 25.07.2025

    Maritime shipping

    Sailing boat and container ship in the harbor of Hamburg

    … regulatory framework and research activities related to this topic. Further chemical and ecotoxicological assessments will be conducted. Nitrogen oxides (NOx) … reduced. This can be achieved by using systems that treat the ballast water with chemicals (biocides) or UV light, for example. Mechanical cleaning with filters is …

  • Article from 31.03.2025 | Last changed: 10.04.2025

    Use and Impact

    Port view of Bremerhaven with container crane and container ship.

    … of the oceans ( eutrophication ), while pollutants such as industrial chemicals, pesticides, and pharmaceutical residues harm marine life and accumulate … of the oceans ( eutrophication ), while pollutants such as industrial chemicals, pesticides, and pharmaceutical residues harm marine life and accumulate …

  • Article from 11.03.2025 | Last changed: 31.07.2025

    Protecting the seas and oceans: how can it be done?

    On the picure you see the sunset about the sea

    … seas were also used as a dumping site for old munitions , the toxic explosives and chemical warfare agents of which are now detectable in seawater, sediment and living … their impact on the seas and oceans. Based on the data collected, the biological , chemical and physical state of the marine environment is assessed at local, … seas were also used as a dumping site for old munitions , the toxic explosives and chemical warfare agents of which are now detectable in seawater, sediment and living …

  • Article from 15.09.2014 | Last changed: 10.11.2017

    Assessment of watercourses

    two women are fishing in the water to take some samples

    … law. last update on 15.09.2014 There are classifications of rivers for biological, chemical and morphological parameters. The oldest assessment is the saprobic system … to describe the oxygen content of watercourses. After 1980 classifications for chemical and morphological parameters were used too. Now the status of waters is …

  • Article from 06.07.2020 | Last changed: 04.10.2023

    Risk management in river basins

    … checklist was taken as a starting point as was the classification of hazardous chemicals. In addition to water pollution, the Chinese checklist has taken up air …

  • Article from 19.02.2025 | Last changed: 19.05.2025

    German Committee on Indoor Air Guide Values

    Wohnzimmer im Altbau mit Sofa, Tisch, Stehlampe, Bild und Pflanzen

    … German Committee on Indoor Air Guide Values (AIR) Indoor air is a significant chemical uptake pathway. To assess indoor air quality in public and private … also derives risk-related and preliminary guide values for selected carcinogenic chemicals in indoor air. Members of the AIR are experts from federal states and …

  • Article from 07.02.2014 | Last changed: 10.11.2017

    Fragrances

    an orange perfumed candle, open bottle with fragrance and timber slats, an half orange, lavender and cinnamon sticks

    … Anyone afflicted with environment-related health disorders (e.g. multiple chemical sensitivity (MCS)) may suffer considerably from fragrances.  Some of these … only provide for sketchy assessment of the risks of fragrances. The new EU chemicals law REACH is not expected to bring about any fundamental changes since, …