Summary

Case submitted by: Mateboer Milieutechniek B.V.
Country: The Netherlands
Built-up site?: Yes
Soil type: Mainly sand
Follow-up required?: monitoring
Treated contamination: Chlorinated Volatile Organic Compounds (CVOC)
Mineral oil
Volatile aromats, including benzene (BTEX)
Medium contamination: Groundwater
  88150 m3
Remediation goal:
Final concentratie
PCE concentration: 20 µg/l
Mineral Oil concentration: 600 µg/l
BTEX concentration: 15 µg/l
Load removal 96 %
Remediation goal achieved?: Active remediation has changed
Initial and final concentration or load removal:
PCE Total initial load: 98 kg; total final load: 3 kg
Mineral Oil total initial load 1172 kg; total final load: 0 kg
BTEX total initial load: 98 kg; total final load: 0 kg
Active remediation phase: 10/10/00 until 01/02/04
Passive remediation phase: The passive phase is not yet completed. Expected realization period: 01/02/04 until 01/02/11

In-situ remediation technique:

Case detailed information

General information
Project name: Bilthoven Rembrandtlaan: CVOC, BTEX en mineral oil** Case submitted by: Mateboer Milieutechniek B.V. Contact: M.J. Zwietink Address: Postbus 10174 1301AD Telephone number: +31 (0)36-512 664 22 Email-address: m.zwietink@almere.mateboer.nl
Location
Country: The Netherlands City/region/county: Bilthoven (future) use of location: Residential Built-up location during the active remediation phase?: Yes
Technique
In situ saneringstechniek:
Explanation technique: C-Sparge™ Ozon Also other remediation techniques applied?: Soil vapor extraction & groundwater extraction After care needed?: monitoring Rationale for the chosen technique: Type of polution, soil type, building present.
Contamination
Treated contaminant(s): Chlorinated Volatile Organic Compounds (CVOC) Mineral oil Volatile aromats, including benzene (BTEX) Contaminant phase: Groundwater Size contamination: 88150 m3 Depth contamination: 25 m below surface
Soil
Soil type: Mainly sand Saturated/unsaturated zone?: Saturated zone Permeability: > 0,1 m/day Flow velocity or gradient groundwater: 2500 m2/day
Result, duration, expense
Remediation goal: Final concentratie PCE concentration: 20 µg/l Mineral Oil concentration: 600 µg/l BTEX concentration: 15 µg/l Load removal 96 % Remediation goal achieved?: Active remediation has changed Initial and final concentration and load removal: PCE Total initial load: 98 kg; total final load: 3 kg Mineral Oil total initial load 1172 kg; total final load: 0 kg BTEX total initial load: 98 kg; total final load: 0 kg Active remediation phase: 10/10/00 until 01/02/04 Passive remediation phase: The passive phase is not yet completed. Expected realization period: 01/02/04 until 01/02/11 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: Provincie Utrecht Contact information stake holders: Dhr. R. de Wit: +31 (0)36-5302410
Additional information
Lessons learned: Remarks:
Related techniques and HIP-pilots