Summary
Case submitted by: Mateboer Milieutechniek B.V.
Country: The Netherlands
Built-up site?: Yes
Soil type: Mainly sand
Follow-up required?: Yes, monitoring
Treated contamination: Chlorinated Volatile Organic Compounds (CVOC)
Medium contamination: Soil/pure product and groundwater
Dimension contamination: 7200 m3
Remediation goal:
Load removal : 99,6%
This remediation site is also a pilot location.
Remediation goal achieved?: Yes
Initial and final concentration or load removal:
CVOC Contamination total initial load: 340kg; total final load: 1 kg
Active remediation phase: 01/05/02 until 01/11/05
Passive remediation phase:
Added reports:
bijlage case baanstraat utrecht.pdf
In-situ remediation technique: In situ chemical Oxidation (ISCO)
Case detailed information
General information
Project name: Utrecht Baanstraat; CVOC**
Case submitted by: Mateboer Milieutechniek B.V.
Contact: M.J. Zwietink
Address: Postbus 10174 1301AD
Telephone number: +31 (0)36-51266422
Email-address: m.zwietink@almere.mateboer.nl
Location
Country: The Netherlands
City/region/county: Utrecht
(future) use of location: Residential area
Built-up location during the active remediation phase?: Yes
Technique
In situ saneringstechniek: In situ chemical Oxidation (ISCO)
Explanation technique: C-Sparge Ozon
Also other remediation techniques applied?: Yes, soil vapor extraction and groundwater extraction
After care needed?: Yes, monitoring
Rationale for the chosen technique: Type of contamination, soil type and presence of building.
Contamination
Treated contaminant(s): Chlorinated Volatile Organic Compounds (CVOC)
Contaminant phase: Soil/pure product and groundwater
Size contamination: 7200 m3
Depth contamination: 15 m below surface
Soil
Soil type: Mainly sand
Saturated/unsaturated zone?: Saturated zone
Permeability: > 0,1 m/day, based on report of 'nader bodemonderzoek'
Flow velocity or gradient groundwater: 2000 kD m2/day
Result, duration, expense
Remediation goal:
Load removal : 99,6%
This remediation site is also a pilot location.
Remediation goal achieved?: Yes
Initial and final concentration and load removal:
CVOC Contamination total initial load: 340kg; total final load: 1 kg
Active remediation phase: 01/05/02 until 01/11/05
Passive remediation phase:
Total costs passive/after care phase:
Total costs active phase:
Stakeholders
Problem owner:
Contractor: Mateboer Milieutechniek
Remediation plan: Tauw B.V.
Remediation research: Tauw B.V.
Competent authority: Gemeente Utrecht
Contact information stake holders: Dhr. M.J. Zwietink (PL) 036-5302410
Additional information
Lessons learned: The combination of the mobilizing effect of C-Sparge and proper location of the groundwater extraction enables very high load removal in short time period.
Remarks:
Related techniques and HIP-pilots
Related techniques: In situ chemical Oxidation (ISCO)
Related HIP-pilots: HIP-pilot Optimizing ISCO for CVOC