Feb

06

Water Framework Directive Assessments (WFD)

Water is essential for life. Whether it is for drinking, cleaning or sustaining the ecosystems which we live in, water is arguably one of the most important resources to us. However, since the industrial revolution, our rivers, lakes, reservoirs and boreholes have seen a major change from their natural state or water quality. Environmental issues […]
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Jan

22

What is PFAS and how does it affect waterbodies?

In July 2018 the Dutch government followed the example of some US states in implementing action levels concerning PFAS substances, stating an upper limit of 0.1 μg / kg. This means that only sediment/silt/soil with PFAS concentrations below this limit can be re-used or disposed at sea. However, because of the widespread disruption this has […]
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Sep

26

How to sample sediment for a Marine License

If your project in ‘tidal’ water is managed by the Marine Management Organisation (MMO) and involves the movement or dredging of sediment, a sediment survey is often required to determine the quality of the sediment. To do this, samples are required for chemical and physical analysis. We’ve listed the steps below to help you in […]
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Sep

16

What are Nature Based Solutions?

  • On 16th September 2019
  • In Ecology, General, Research and Development, Sediment Management, Water Management
  • By David
Nature based solutions is a concept you might have come across, but in many cases, other than knowing they have something to do with nature, it can be difficult to imagine what they actually are. Nature based solutions or NBS, can be implemented in almost any infrastructure project to make use of the various ecosystem […]
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Sep

05

Sustainable and Resilient Coastal Cities (SARCC)

  • On 5th September 2019
  • In General, Project Management, Research and Development, Sediment Management, Water Management
  • By William
Exo Environmental and partners have been working together on this Interreg 2seas programme since November 2017, where a culmination of ideas and thinking distilled into the SARCC project. The project developed another year until it was submitted to the Joint Secretariat of Interreg 2seas in November 2018. By early 2019 we received the approval for […]
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Jul

25

What is a Bathymetric Survey?

Bathymetry Bathymetry is the study of the bed (floor) of a waterbody, involving mapping of features on charts to provide information on water depth. Bathymetric charts are typically produced to aid navigation and inform dredging activities, for example during maintenance of navigational channels. Bathymetry traditionally uses an echosounder attached to a survey boat. As the […]
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Jul

11

OSMS – Operational Sediment Management System Meeting

  • On 11th July 2019
  • In Engineering, General, Project Management, Sediment Management
  • By David
Last week, we travelled to London to meet all the partners of the Interreg 2seas USAR project. We have been managing the activities under this project for one of the Partners, Brightlingsea Harbour Commissioners. One of the main aims of the meeting was discussing one of the main outputs of USAR, the “Operational Sediment Management […]
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Jun

27

Sediment Sampling for a Marine Management Organisation Licence

Over the years Exo Environmental has carried out numerous sediment sampling campaigns for a range of clients with different objectives. In many cases, this was in support of marine license applications with the Marine Management Organisation (MMO). We follow a strict methodology for any sampling to ensure that the samples collected are representative. This means […]
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Jun

12

Bathymetry Survey – Brightlingsea Harbour

  • On 12th June 2019
  • In Dredging, General, Sediment Management, Water Management
  • By William
Bathymetry surveys are one of our favourite types of surveying, not only because of the cool data they produce, but also who wouldn’t like to drive a boat about for several hours, enjoying the sunshine! We had one of those days recently, when we visited Essex to gather the crucial data on a high spring […]
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Jun

01

Plastic in the Environment

Plastic pollution has reached global epidemic proportions; however, consumerism and convenience still demand single-use plastic products. It is a global challenge that has recently become more visible to consumers through television programmes like Blue Planet and terrifying discoveries by Vescovo’s Five Deeps Expedition who found plastic even in the most remote part of the ocean, […]
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