Overview of projects

The following list gives an overview of environmental clean-up projects performed by Holland Environment Group with its partners over the period 1987 to date. A number of these projects are described in more detail.

Heavy metals and other inorganic contaminants

Location
Client
Description
Former paint factory at Groningen
Provincial Authorities
In-situ pilot Electro-Reclamation of about 200 m³ clay polluted with heavy metals Copper, Lead and Zinc
Location
Client
Description
Galvanizing plant at Delft
Industry
In-situ Electro-Reclamation of 300 m³ clay polluted with heavy metals Zinc and Cadmium
Location
Client
Description
Former wood impregnation plant at Loppersum
Industry and Municipality
In-situ Electro-Reclamation of 300 m³ clay polluted with heavy metals Arsenic and Copper (up to 2 m depth).
Location
Client
Description
Temporary landfill at Stadskanaal
Municipality and Province
Ex situ Electro-Reclamation of about 2,500 m³ soil and sludge from gardens and canals at Stadskanaal contaminated with Cadmium
Location
Client
Description
Temporary landfill at the military airbase of Woensdrecht
Ministry of Defense
Ex situ Electro-Reclamation of 3,500 m³ sludge contaminated with Chromium, Nickel, Copper, Zinc, Lead and Cadmium
Location
Client
Description
Former metal processing company at Woudenberg
Realtor
In-situ cleanup of groundwater polluted with mineral oil and zinc (2-6 m depth)
Location
Client
Description
Former gas works site at Oostburg
Energy company
In-situ Electro-Reclamation of soil contaminated with cyanide and PAH, partly underneath building. Depth up to 4 m bgs.
Location
Client
Description
Galvanizing plant at 's-Heerenberg
Industry
In-situ Electro-Reclamation of soil contaminated with Nickel and Zinc inside and underneath the plant. Depth up to 6 m bgs. Production will only cease during installation of the electrodes inside the building.
Location
Client
Description
Former Gas works at Leerdam
Municipality (phase-1) and Gebr. Blokland (phase-2)
Land Clean-up and redevelopment. Demolishing several buildings and foundations, excavation and removal of contaminated soil (cyanide and PAH, renewing sewage system and roads.
Location
Client
Description
Tolhuislaan at Den Dolder
Industry
In-situ remediation of groundwater contaminated with heavy metals, using pump and treat and injection of lime.
Location
Client
Description
Vaartscherijnstraat at Utrecht
Municipality of Utrecht
Excavations of backyards in residential area. Removal of soil contaminated with heavy metals. Refilling with clean sand, transported by boats.
Location
Client
Description
Zinkwerf at The Hague
Industry
In-situ remediation of soil contaminated with zinc, using ESGE® (electro-stimulated groundwater extraction)
Location
Client
Description
Boxmeer
Industry
In-situ remediation of soil and groundwater contaminated with nickel and chromium, using ESGE®.

Mineral oil and aromates

Location
Client
Description
Industrial site at Vorden
Industry
In-situ Electro(bio)reclamation of about 5,000 m³ soil and groundwater polluted with dieseloil, aromates and PAH (0-6 m depth)
Location
Client
Description
Waterlooplein Amsterdam
Construction company
In situ cleanup under the Saskia House. Soil polluted with light and heavy fuel oil
Location
Client
Description
Maassluis
Industry
In-situ Electro(bio)reclamation of about 1,500 m³ soil and groundwater contaminated with mineral oil
Location
Client
Description
Reekermolen at Schaik
Oil trading company
Ex-situ cleanup of about 3,500 m³ soil polluted with oil
Location
Client
Description
Former oil depot at Apeldoorn
Foundation.
In-situ electro(bio)reclamation of about 9,000 m³ soil and groundwater contaminated with mineral oil
Location
Client
Description
Heygraaf at Woudenberg
Contractor
In situ electro(bio)reclamation up to 6 m bgs. of about. 950 m³ soil and groundwater contaminated with mineral oil
Location
Client
Description
Office building at Hilversum
Foundation
In situ electro(bio)reclamation underneath building of about 500 m³ soil and groundwater contaminated with mineral oil (up to 9 m depth, partially underneath building)
Location
Client
Description
Oil depot inside building at Dordrecht
Municipality
In situ electro-reclamation underneath building of about 350 m³ soil and groundwater contaminated with mineral oil (0-3 m depth)
Location
Client
Description
Former Petrol Station at Deventer
Building and construction company
In situ electro(bio)reclamation of about 200 m³ soil and groundwater contaminated with mineral oil, partly underneath building (up to 6 m depth)
Location
Client
Description
Rural area at Maasdam
Business and industry
In situ electro(bio)reclamation of about 9,000 m³ soil and groundwater contaminated with aromates (0-6 m depth)
Location
Client
Description
Former petrol station and oil depot at Horst
Business and trading company
In situ electro(bio)reclamation of about 5,000 m³ soil and groundwater contaminated with mineral oil. (0-8m depth)
Location
Client
Description
Factory site at Veghel
Industry
In-situ electro(bio)reclamation of about 900 m³ soil and groundwater polluted with mineral oil and aromatics (0-4 m depth).
Location
Client
Description
Former gas station at Susteren
Construction company
In-situ cleanup of groundwater polluted with aromatics (2-8 m depth)
Location
Client
Description
Hogewoerd at Leiden
Business and industry
In-situ cleanup of oil pollution.
Location
Client
Description
HTM site at The Hague
Business and industry
Combined remediation (excavation, pumping, and in-situ treatment)
Location
Client
Description
Three former gas stations at Emmen (2) and Zuidwolde (1)
Foundation
Combined remediation including in-situ electro(bio)reclamation
Location
Client
Description
Petrol station at Tiel
Garage business
Combined remediation including tank removal, excavation, and groundwater cleanup
Location
Client
Description
Petrol station at Born
Garage business
In-situ electro(bio)reclamation for mineral oil pollution; partially underneath buildings (4 m depth)
Location
Client
Description
Petrol station at Tiel
Garage business
Combined cleanup including in-situ electro-bioreclamation
Location
Client
Description
Petrol station at Nijmegen
Combined remediation (excavation, groundwater extraction, infiltration, and electro-bioreclamation)
Location
Client
Description
Schoutenboomgaardweg at Rhenen
Municipality
In-situ pilot project electro(bio)reclamation (1st phase) of soil and groundwater contaminated with mineral oil. Based on the results of the pilot project, the total remediation (2nd phase) started at the end of 2001
Location
Client
Description
Campus of Technical Highschool at Delft
Educational Institution
Ex-situ soiol remediation (9,000 ton) and in-situ remediation of groundwater contaminated with hydrocarbons
Location
Client
Description
Several locations in the Netherlands
Miscellaneous companies and individuals
Oil tank clean-ups
Location
Client
Description
Prinsengracht at Amsterdam
Industry
Tank cleaning and excavation of contaminated soil. Treatment of groundwater by pump and treat and enhancement of biodegradation by nutrient injection
Location
Client
Description
Copernicusstraat at The Hague
Industry
Excavation of contaminated soil inside building. Treatment of groundwater by pump and treat and enhancement of biodegradation by nutrient injection
Location
Client
Description
Former gas works at Enkhuizen
Municipality of Enkhuizen
Excavation of 3,700 ton contaminated soil. Additional in-situ remediation through injection of ORC
Location
Client
Description
Gas works at Velp
Municipality of Reden
Remediation by excavation, transport and treatment of ca 30,000 ton soil contaminated with CN, tar and aromatics. Additional groundwater remediation using pump & treatment
Location
Client
Description
Schoutenboomgaardweg at Rhenen
Municipality of Rhenen
Excavation + in-situ Electro-BioReclamation
Location
Client
Description
Sweelinckplein at The Hague
Private individual
Excavation en in-situ remediation, monumental building
Location
Client
Description
Van Baerlestrate at Amsterdam
Broker
Excavation in-situ remediation inside the building
Location
Client
Description
Sloterweg at Badhoevedorp
Industry
Excavation of 60 ton soil contaminated with mineral oil
Location
Client
Description
Turbinestraat at Veenendaal
Industry
In-situ soil and groundwater remediation using groundwater extraction and enhancement of biodegradation through injection of oxygen and nutrients.
Location
Client
Description
Graaf Willem den Oudelaan at Naarden
Insurance Company
Removal of subsurface fuel tanks. In-situ remediation using groundwater extraction and enhancement of biodegradation through injection of oxygen and nutrients
Location
Client
Description
Nieuwe laan at Osdorp
Municipality of Amsterdam
Excavation of contaminated soil. Additionally, groundwater extraction and enhancement of biodegradation through injection of oxygen and nutrients.
Location
Client
Description
St. Anthonisweg at Boxmeer
Industry
Excavation of 1,100 ton soil next to buildings, using reinforced trenches
Location
Client
Description
Hooglandseweg at Amersfoort
Private individual
Removal of tank and excavation of contaminated soil, and additionally groundwater extraction and enhancement of biodegradation through injection of oxygen and nutrients
Location
Client
Description
Vest 124 at Dordrecht
Municipality of Dordrecht
Excavation in combination with civil constructions (support of buildings)
Location
Client
Description
Noord Esmarkerrondwaeg at Enschede
Industry
Excavation of soil using reinforced trenches and additional groundwater remediation
Location
Client
Description
Herman Kuijkstrate at Geldermalsen
Project development company
Excavation of 800 ton contaminated soil, installation of pile sheets and lowering groundwater level
Location
Client
Description
Verhulstplein at The Hague
In-situ remediation using groundwater extraction and infiltration, soil vapour extraction and enhancement of biodegradation by creating oxygen-rich zones and injection of nutrients
Location
Client
Description
Vijzelstraat at The Hague
Municipality of The Hague
In-situ remediation, enhancement of biodegradation by adding oxygen (iSOCTM) and injection of nutrients

Chlorinated Hydrocarbons (DNAPL)

Location
Client
Description
Factory site at Hardenberg
Industrial company
In situ electro(bio)reclamation of about 400 m³ ground and groundwater polluted with mineral oil and trichlorethene (TCE)
Location
Client
Description
Residential area at Nieuwpoort
Province
In-situ electro(bio)reclamation partially under houses and monimental building. About 7,700 m³ soil and groundwater polluted with chlorinated hydrocarbons (0-12 m depth)
Location
Client
Description
Paul Krugerstraat in Assen
Province
In-situ cleanup of remaining VOC pollution (5-8 m depth), already remediated by others
Location
Client
Description
Dry cleaner's at Koudekerk aan de Rijn
Business and industry
Groundwater remediation and biorestoration
Location
Client
Description
Waldorperstraat in The Hague
Municipality
Electro(bio)reclamation of remaining CHC pollution, remediated by other company
Location
Client
Description
Former silver factory/present residential area at Zeist
Province
In-situ electro-bioreclamation of remaining PCE/TCE contamination, already remediated by others. Soil volume contaminated with chlorinated solvents >> Intervention Value 1,080 m³ ; other contaminated volume 7,200 m³. Duration of intensive phase 2 years
Location
Client
Description
Dry cleaner's, Wildervank, Groningen
Province
Electrokinetic biofence in groundwater plume polluted with PCE, TCE, DCE an VC. Lenght of fence 40 m. Depth 10 m
Location
Client
Description
Former industrial site at Hattem, Gelderland
Municipality, Province and industry
In-situ remediation by enhanced biodegradation of 60.0003 ground and groundwater contaminated with VOC. Excavation of several hotspots
Location
Client
Description
Former industrial site / present residential area at Eindhoven
Municipality
In-situ electro-bioremediation of 2.0003 ground and 200.0003 groundwater (35 m bgs) contaminated with VOC.
Location
Client
Description
Lammenschansweg at Leiden
Industry
Excavation and in-situ remediation of clay soil contaminated with VOC using nutrient injections.
Location
Client
Description
Kerkstraat at Goes
Insurance company./Industry
Excavation and in-situ groundwater remediation (inside building), groundwater extraction and enhancement of biodegradation with nutrient injections
Location
Client
Description
Temse, België
Industry
In-situ remediation by groundwater extraction and enhancement of biodegradation. Contamination at a depth of 1.5 – 4.0 m bgs. Total volume of soil 7,500 m³
Location
Client
Description
Former railway site at Woudenberg
Foundation NS
Remediation of three tanks, excavation of contaminated soil, in-situ clean-up of groundwater contamination by injection of air combined with vacuum extraction and groundwater extraction
Location
Client
Description
Stamkartplein/Haagsche hogeschool at The Hague
Municipality of The Hague – Dienst Stadsbeheer
In-situ remediation of soil and groundwater contamination using Electro-BioReclamation® and enhancement of biodegradation by nutrient injections in the plume area. Soil contamination at 3-7 m bgs. Groundwater contamination down to 19 m bgs.
Location
Client
Description
Van Marwijk Kooijstraat at Amsterdam
In-situ remediation of soil and groundwater contamination by enhancing biodegradation through nutrient injections. Installation of fixed injection points inside and underneath the building

Other cleanups

Location
Client
Description
Former brick factory at Herwijnen
Financial corporation
Drafting of remediation work plan and supervision of demolition of brick factory and premises
Location
Client
Description
Tank terminal at Rotterdam
Trading company
In-situ cleanup of groundwater polluted with MBTE
Location
Client
Description
Leeuwenhoek road in Bergschenhoek
Business and industry
Combined soil remediation including demolition of buildings
Location
Client
Description
Fort Nude at Rhenen
Foundation
Environmental dredging of about9,000 m³ of sludge).
Location
Client
Description
Kapoeas road in Amsterdam
Business and industry
Combined remediation (excavation, groundwater extraction, and biorestoration)
Location
Client
Description
Petrol Station at Bunnik
Garage Business
Ex-situ remediation of soil and groundwater contaminated with mineral oil
Location
Client
Description
Leidsestraat in Utrecht
Business and industry
Combined remediation (excavation, groundwaterextraction, infiltration, and biorestoration)
Location
Client
Description
Kamerlingh Onneslaan in Enschede
Private party and insurance company
Tank removal and soil remediation pollution between two houses
Location
Client
Description
Amsterdam
Calvinist Church
Ex-situ remediationof soil contaminated with mineral oil
Location
Client
Description
Site at Beusichem
Construction Company
Ex-situ remediation of soil contaminated with hydrocarbons and heavy metals
Location
Client
Description
Haakbergseweg at Enschede
Demolishing buildings and removal of ca 5,500 ton soil contaminated with asbestos
Location
Client
Description
Former industrial site at Halfweg
Industry
Land clean-up for redevelopment into residential area
Location
Client
Description
Oosteinde at Papendrecht
Municipality of Papendrecht
Remediation of top layer contaminated with mineral oil and heavy metals
Location
Client
Description
Former gas compressor station
EON Benelux
Excavation, transport and treatment of soil contaminated with asbestos and heavy metals
Location
Client
Description
Woerden
Metal industry
VOC-contamination. Enhancement of biodegradation down to ca 20 m depth
Location
Client
Description
Primary school at Middelharnis
Municipality
Removal of fuel oil tanks during holiday period. Additionally in-situ remediation using biodegradation