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4 Roddinglaw Business Pk, Roddinglaw Rd, Edinburgh, EH12 9DB U.K.

  • HAM DREDGING – Water Injection Dredging Trial, BP, Thamesport Foster Yeoman Jetties, Medway Estuary, England.
  • PORT OF FELIXSTOWE – Roughs Tower Dump Site – Silt Dispersal Study, Felixstowe, England.
  • WATERFORD HARBOUR COMMISSIONERS – Fisheries Impact Assessment of Plough Dredge Bed-Levelling, Waterford Estuary, Ireland.
  • MILFORD HAVEN PORT AUTHORITY – Environmental Assessment and Sediment Dispersal Study of Site F & Site 1 Dredge Spoil Ground, Milford Haven, Wales.
  • PORT OF LONDON AUTHORITY – JetSed Dredge sediment dispersal study, Holehaven, Thames Estuary, England.
  • SHORELINE MANAGEMENT PARTNERSHIP – Sand transport study, Dee Estuary, on behalf of Port of Mostyn, Wales.
  • PORT OF ROTTERDAM – Sediment dispersal study to assess efficiency of an alternative dredging method & sediment transport study in Lowered Disposal Site, North Sea, Netherlands.
  • IMDC – Dredge Dispersal Assessment Scheldt Estuary, Antwerp, Belgium.
  • BROADS AUTHORITY – Dredge Monitoring of Water Injection Dredging, River Bure, Norfolk Broads, England.
  • VAN OORD DREDGING AND MARINE CONSULTANTS – Water Injection Dredging Tracer study monitoring in the River Lee, Cork, Ireland.
  • MERSEY DOCK & HARBOUR COMPANY LTD. (PEEL PORT LIVERPOOL) – Beneficial Use Tracer Study, Mid-River Disposal Site, Mersey Estuary, England


  • BRITISH WATERWAYS Silt Dredge Dispersal Study on the Upper Severn Estuary, England.

  • BRITISH WATERWAYSContaminated sediment dispersal study on Sheffield and South Yorkshire Navigation & River Don, England.
  • FALMOUTH HARBOUR COMMISSIONERS – Impact Assessment of Proposed Dredging Campaign – Custom House Quay, Falmouth.
  • BRITISH WATERWAYSDispersal Study of Dredge Sediment and Wastewater Sludge within Purton SSSI, Severn Estuary.
  • UKAEA – Provision of design and costing of Particle Tracing Field Studies to mimic radioactive particles, Dounreay, Scotland.
  • DET NORSKE VERITAS (DNV) – Hydraulic leakage detection and contaminated sediment transport pathway of a Contaminated Disposal Facility (CDF), Trondheim, Norway.
  • DNV CONSULTING – Monitoring the integrity of a Confined Disposal Facility: Hydraulic and Particle Tracer Studies, Trondheim Havn, Norway.
  • DET NORSKE VERITAS (DNV) – Sandefjord Harbour Sediment Tracer Study, Sandefjord, Norway.
  • DNV CONSULTING – Dredging and sediment transport study, Sandefjord, Norway


  • CAMBRIDGE COASTAL RESEARCH UNIT Inter–tidal Sediment Recharge Experiment, Medway Estuary, Kent, England.

  • SOUTHERN WATER – Sediment Dispersal Study to Investigate Feasibility of a Pipeline Installation, Langstone Harbour, Portsmouth, England.
  • MINISTRY OF AGRICULTURE, FISHERIES AND FOOD: DIRECTORATE OF FISHERIES RESEARCH – Sand Tracing Study on Licence Extraction Area 107, Lincolnshire Coast, England.
  • TEES & HARTLEPOOL PORT AUTHORITY – Sediment Transport Pathway Study North Gare Sands – Seaton Channel Embankment, Tees Estuary, England.
  • CENTRE FOR ENVIRONMENT FISHERIES AND AQUACULTURE SCIENCE (CEFAS), SGS ENVIRONMENT & ENVIRONMENT AGENCY – Beach Sediment Transport Study, Mablethorpe to Skegness Beach Nourishment, Lincolnshire Coast, England.
  • ABP RESEARCH & CONSULTANCY LTD – Offshore-Onshore Sediment Exchange Helwick Bank, Gower Peninsula, Wales.
  • ABP RESEARCH & CONSULTANCY LTD – Sediment Exchange Between the Bristol Channel and the Celtic Sea off St Govan’s Head, Pembrokeshire, Wales.
  • UNIVERSITY OF DURHAM – Seal Sands Sediment Flux Study – Seaton Channel and Greatham Creek, Teesside, England.
  • DELTARES NL – Beneficial Use Sediment Tracing Study, Mud Motor Koehoal, Dutch Wadden Sea, NL


  • HASTINGS DREDGING ASSOCIATION COMPRISING: ARC MARINE, CIVIIL AND MARINE, EASTCOAST AGGREGATES, SOUTH COAST SHIPPING AND UMD A Biological and Habitat Assessment of Hastings Shingle Bank: Southern England.  Hastings Shingle Bank – Current Meter Survey.  Hastings Shingle Bank – Particle Tracing Study of Sediment Dispersal from Dredge Spillways, South Coast England.

  • CLYDEPORT OPERATIONS LTD – 2004 – 2012: Acoustic Doppler Current Profiler Survey,Turbidity monitoring, grab sampling, sediment characterisation for FEPA licence, Clyde Estuary, Scotland.
  • ATKINS DESIGN ENVIRONMENT & ENGINEERING – Lytham Quay Marina Development Project, England.
  • DOVER HARBOUR BOARD – Current velocity survey for new berth, Dover Port, Dover, Kent, England.
  • ARCH HENDERSON CONSULTING ENGINEERS – ADCP, bed sediment characterisation and siltation study for BAe Systems, Clyde Estuary & sediment vibrocoring, Port of Cairnryan, Scotland.
  • WEXFORD COUNTRY COUNCIL – Courtown Beach Renourishment Hydrographic, Geophysical and Benthic Surveys, Wexford, Ireland.
  • HASKONING UK LTD. – Investigation into the Impact of Ferry Movement on Suspended Sediment Concentrations in Loch Ryan, Dumfries and Galloway, Scotland.
  • CROMARTY FIRTH PORT AUTHORITY – All Bathymetric Surveys required by port, 2006-2008, Cromarty Firth, Scotland.
  • SCOTTISH WATER SOLUTIONS – Loch Leven & North Ballachulish bathymetric & geophysical survey, Argyll, Scotland.
  • URS/SCOTT WILSON – Sediment vibrocoring at Westway, White Cart River, Glasgow, Scotland
  • ORKNEY WATER TEST CENTRE – Oily Water Skimmer Vessel Optimisation – Tracer Studies, Orkney.
  • ENVIRONMENT PROTECTION DEPARTMENT, FISHERIES RESEARCH SERVICES, MARINE LABORATORY ABERDEEN – Contaminated Drill Cuttings Dispersal Study, Beatrice Platform, Moray Firth, North Sea, Scotland.
  • CORDAH LIMITED (PHILLIPS PETROLEUM) – Environmental Monitoring of Maureen Platform, North Sea, Scotland.
  • CEFAS (BP) – UKOOA JIP Monitoring of drill cuttings, dredging, NW Hutton, North Sea, Scotland
  • RWE INNOGY PLC – Water level and flow gauging, Hydro-Electric scheme, Invervar, Glen Lyon, Scotland.
  • RWE NPOWER – Flow gauging and water level recording, Glen Lyon, Scotland.
  • RWE NPOWER – Douglas Water – ToT and Dilution Gauging, Scotland.
  • COMPOSITE ENERGY LTD – Outfall Characterisation, Airth, River Forth, Scotland.
  • COMPOSITE ENERGY LTD – Further outfall characterisation studies, Airth, River Forth, Scotland.
  • DART ENERGY LTD. – Consultancy & outfall work as expert witness, Firth of Forth, Scotland
  • SOUTH WEST WATER – Residence Time of Mine Adit System for T90 Tests of St Day WwTW Effluent into Carnon River, Cornwall, England.
  • UNIVERSITY OF NEUCHATEL, SWITZERLAND – Groundwater Pathway Identification of Karstic Limestone, Jura Mountains, Switzerland.
  • RJB DEEP MINES LTD. – Coastal Protection Assessment – Minestone Disposal and Dispersal Study, Lynemouth Bay, Northumberland, England.
  • CORUS RESEARCH, DEVELOPMENT & TECHNOLOGY – Particle tracing of PM10s at Scunthorpe Steel Works, Scunthorpe, Yorkshire, England.
  • TATA STEEL – Source apportionment of particulate emissions from steel manufacturing sites, Scunthorpe, Yorkshire, England .
  • CORUS RESEARCH, DEVELOPMENT & TECHNOLOGY – The use of synthetic fluorescent tracer particles to aid in source apportionment of particulate emissions from steel manufacturing sites, Scunthorpe, Yorkshire, England.
  • THE ALL ENGLAND LAWN TENNIS GROUP PLC – Leakage testing at AELTCC, Wimbledon, England.
  • ENVIRONMENT AGENCY – Assessment to eradicate non-native crayfish, Long Preston, England.
  • ANGLIAN WATER SERVICES LTD. – Removal Efficiency Testing of an Experimental Rig for a Simulated Cryptosporidium ‘Outbreak’, Cambridge, England
  • CENTRE FOR RESEARCH INTO ENVIRONMENTAL HEALTH (CREH), ENVIRONMENT AGENCY WALES – Connectivity assessment between Foot & Mouth Pit and private water supplies, Sennybridge, Brecon Beacons, Wales
  • WRC (WATER RESEARCH CENTRE) – Pilot Study of Membrane Filtration for Cryptosporidium, Swindon, England
  • OES CONSULTING (FOR KERRY FOODS) – Groundwater Testing between Wastewater treatment plant and adjacent riverine system, Listormel, Ireland
  • SOUTH WEST WATER – Tracer Applications – Feasibility Study for Wastewater and Potable Water, England.
  • RPS CONSULTANTS (RPS P, T & E) – Dye connectivity test between Clearwell Quarry and nearby watercourse, Forest of Dean, Wales.
  • PWTAG – Cryptosporidium filtration study to assess efficiency of removal systems for swimming pools, England.
  • ALCONTROL LABORATORIES – Assessment of fluorescent tracer particles to label Daphnia for water quality examination and testing, England
  • SOUTH WATER – Asset Monitoring – Tracer Study of Pollutant Sources and Outfall dispersal for: Wembury; Plymouth; Falmouth and Perranporth, Devon & Cornwall, England.
  • HALCROW CROUCH & WEST OF SCOTLAND WATER – Coastal Communities WWT Scheme Outfall and Modelling Studies – Group C: Cove/Kilcreggan; Connel; Salen; Tobermory; Ballantrae; Dunure; Eastriggs; and Kirkcudbright, Scotland.
  • PFIZER LIMITED – Dispersal study to assess long term effects of wastewater discharge into River Stour and Pegwell Bay to support an EA discharge licence application, Sandwich, England.
  • METOC PLC (FOR SCOTLAND WATER) – Coastal Communities – Marine survey supplier for Scottish Water Framework Contract through Ewan Group Plc – outfall studies at Lochgilphead, Adrishaig, Port Charlotte (Islay), Minard, Lochgair, 13 sites in total on West coast of Scotland.
  • MWH-RPS CONSULTING ENGINEERS – Ballycastle WwTW Scheme – Outfall Assessment, Ballycastle, Northern Ireland.
  • HUNTSMAN TIOXIDE – Hydrographic, bathymetry & outfall dispersal study, Seal Sands, Tees Estuary, England.
  • FORTH RIVER PURIFICATION BOARD/SEPA – EAST REGION – Deposition of Particulate from Sewage Discharges – Tracer Dispersal Study – Edinburgh STW Seafield Outfall and Kirkcaldy STW Outfall, Firth of Forth, Scotland.
  • WESSEX WATER – Available Dilution Outfall Studies: Weston-Super-Mare Available (Black Rock Outfall); West Huntspill & Chilton Trinity STW; and Clevedon Bay for Avonmouth STW, Portbury STW and Kingston Seymour STW.
  • NORTH OF SCOTLAND WATER AUTHORITY – Wick WwTP marine outfall survey, Roskeen & Alness outfall Initial Dilution Studies & Jemimaville outfall dispersal survey, Scotland
  • SCOTTISH WATER/SCOTTISH WATER SOLUTIONS – Hydrographic, bathymetric, Outfall Dispersion Studies, Initial dilution modelling: Nairn Wastewater Treatment Works, Thurso outfall, East Thurso, West Murkle, Castletown, Dunnet Bay and Rosskeen, Scotland
  • SOUTH WEST WATER – Truro Sewerage Evaluation – Freshwater and Saline Infiltration Study, Truro, Cornwall, England
  • YORKSHIRE WATER – Esholt WwTW Time of Travel, Plant Performance and Sludge Residence Times of Primary and Humus Tanks, Yorkshire, England
  • BECHTEL WATER TECHNOLOGY  LTD (FOR UNITED UTILITIES) – RTD and Flow Balancing Studies of Submerged Biological Contactor Lanes and Final Settlent Tanks at Fleetwood WwTW, Fleetwood and Blackburn WwTW, England.
  • SCOTLAND & NORTHERN IRELAND FORUM FOR ENVIRONMENTAL RESEARCH (SNIFFER) & SEPA WEST REGION – Supplementary Investigations Into the Failures of Some Ayrshire Bathing Waters to Meet EC Standards – Study to Investigate Water Quality Impact of Diffuse and Direct Sources, Irvine Bay, Ayrshire, Scotland
  • UNITED UTILITIES – RTD Hydraulic study at Hyndburn WwTW, surface aeration tests and Preston WwTW Orbals, Preston, England
  • BIWATER TREATMENT LTD. (FOR SOUTHWEST WATER LTD.) – RTD hydraulic studies and Effective Volume Calculation of Anaerobic Sludge Digesters, Plympton, Radford, Liskeard, Nanstallon & Menagwins WwTW, Devon & Cornwall, England.
  • ENVI DAN A/S – Sewer infiltration study & drainage connectivity study, Billund, Denmark.
  • ATKINS WATER (FOR UNITED UTILITIES LTD.) – Hydraulic and sludge particle RTD study of BAFF cells, Liverpool WwTW, England
  • OES CONSULTING – Hydraulic Residence Time Distribution Study, Digester, Kerry Foods, Listormel, Ireland
  • DEPARTMENT OF ENVIRONMENT FISHERIES AND RURAL AFFAIRS (DEFRA) & WESTCOUNTRY RIVERS TRUST – Monitoring of Diffuse Pollution Sources & Water Quality Study, Fal Estuary, Cornwall, England
  • CHANNEL FOODS LTD – Litigation Case: Hicks v Channel Foods, Expert Witness, Truro, Cornwall, England.
  • ENVIRONMENT FINLAND – Lake Sediment Resuspension Study to Investigate Water Quality and Pollutant Residence Time, Finland.
  • ENVIRONMENT AGENCY – SOUTH WEST REGION/W S ATKINS AND THAMES – Time of Travel Studies – Rivers: Allen, Axe, Bristol Avon, Cober, Dart, Hampshire Avon, Moors, Stour, Tamar, Taw, Tavy, Tone, Wylye, Yeo and tributaries and Colne, Lee, Lower Thames, Upper Thames, Ray and tributaries, England.
  • CORNISH CALCIFIED SEAWEED COMPANY – A Marine Survey and Environmental Assessment of the Proposed Dredging of Dead Mearl within Falmouth Bay, Cornwall, England.
  • INTEGRATED HYDRO SYSTEMS / NORTH WEST WATER / MONTGOMERY WASTON – UPM Time of Travel Studies – Rivers Croal, Irwell, Irk, Altrincham, Roch, Knowsley, Widnes, Hoylake, Ditton Brook, Tane, Yarrow & Huyton, Greater Manchester/Wirral, England.
  • INTEGRATED HYDRO SYSTEMS / YORKSHIRE WATER / MONTGOMERY WASTON – UPM Time of Travel Studies – Rivers Aire, Calder and Colne and tributaries, Yorkshire, England.
  • CENTRE FOR ENVIRONMENT FISHERIES AND AQUACULTURE SCIENCE (CEFAS), WESSEX WATER SERVICES LTD & ENVIRONMENT AGENCY – Uptake and Elimination Tests of EcoTrace Fluorescent Tracer Particles By Pacific Oysters, England.
  • IRH (FRANCE) – Drift Eliminator Trials – Legionella dispersal from cooling towers, France.
  • BRISTOL WATER – Water quality, ToT and model validation, Gloucester – Sharpness Canal, Gloucestershire, England.
  • INSTITUTE OF GRASSLAND & ENVIRONMENTAL RESEARCH – DEFRA funded, slurry tracing on fields to assess agricultural run-off and effects on water quality, Denbrook, Okehampton, Devon, England.