Dredging

RPS holds UKAS accreditation for marine sediment analysis in line with the MMO requirements. All data supplied by RPS for marine licence applications is backed up by CRM and IRM quality data which is provided to all clients.

To ensure environmental compliance and licensing requirements RPS are able to offer the analysis of sediments to meet the Marine Monitoring Organisation’s (MMO) requirements of England and Wales. RPS also meets the analytical requirements of the Marine Scotland Act, and the equivalent Environment Agency of both Northern and Southern Ireland.

Our expertise

  • Sediment density
  • Particle Size Analysis (PSA) via wet and dry sieving and laser diffraction (NMBAQC method)
  • Dry solids and moisture content at 105°C
  • Carbonate content
  • Total Organic Carbon by combustion and Infra-Red detection
  • Heavy metals by Total HF digest
  • Heavy metals by Partial Aqua Regia digest
  • Bioavailable heavy metals by 50% Nitric Acid digest
  • ICP-MS and CVAFS analysis to meet the requirements for the characterisation of dredge material for disposal at sea (MMO, Marine Scotland, NIEA and Marine Institute)
  • Organochlorine Pesticides by GC-MS
  • Organotin compounds (TBT & DBT)
  • PAHs EPA16 and alkylated 2-6 ring by GC-MS
  • PCBs including EN25, WHO12, IC7 and MMO 25 congeners
  • Total Hydrocarbon Content (by scanning fluorescence or GC-FID)
  • Polybrominated Diphenyl Ethers (PBDEs)

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