In-Situ Characterization of Soil and Groundwater Contamination with MIP- and ROST-CPT

Size: px

Start display at page:

Download "In-Situ Characterization of Soil and Groundwater Contamination with MIP- and ROST-CPT"

Aldous Morris
6 years ago
Views:

1 Contamination with MIP- and ROST-CPT Dr. Michael Neuhaus FUGRO CONSULT GMBH EKOS Conference Sao Paulo Oct

2 NAPL source zone formation Risk assessments and remedial desk studies require detailed knowledge of the subsurface structure and the contaminant spread in both source and plume areas in-situ investigation techniques are substantial for their vertical and horizontal delineation and characterization. PROCEEDINGS, TOUGH Symposium Lawrence Berkeley National Laboratory, Berkeley, California, May, MODELLING NAPL SOURCE ZONE FORMATION IN STOCHATICALLY HETEROGENEOUS LAYERED MEDIA A COMPARISON WITH EXPERIMENTAL RESULTS

3 CPT Equipment

4 GEOPROBE DT Mobile t-minicrawler Stand-Alone-CPT-Rig ( t) Mobile Static and Dynamic Direct Push Rigs

5 Hydraulic Push Table and Data Logging System CPT Truck prepared to push

6 MIP Detectors FID (Flame Ionization Detector) Corg. PID (Photo Ionization Detector) Ionization Potential <, ev DELCD (Dry Electrolytic Conductivity Detector) Organic Bonded Chlorine (VOCL) Sensors #: MIP (Membrane Interface Probe)

Cone Resistance [MPa] Friction Ratio [%]-Conductivity [ms/m*,] MIP DELCD [V],,,,,, PID [V],,,,,, FID [V],,,,,, MIP-CPT Semi-quantitative VOC detection, primarily VOCL and BTEX, in both vadose and

7 Cone Resistance [MPa] Friction Ratio [%]-Conductivity [ms/m*,] MIP DELCD [V],,,,,, PID [V],,,,,, FID [V],,,,,, MIP-CPT Semi-quantitative VOC detection, primarily VOCL and BTEX, in both vadose and saturated zone Simultaneous logging of geological, hydrogeological and chemical subsurface properties Digital data recording Measurement range from ppb NAPL Precise D delineation of source and plume areas supports on-site decision-making Robertson CPT Soil Classification (modified) Soil Density and Consistency (interpreted) Estimated VOCL-Concentration in PCE-Equivalents,,,,,,,, Tiefe in m u. GOK,,, DELCD [V] Legend (Colors in Friction Ratio Profile) Sensitive, fine grained Organic soils, peat Clay Clay to silty clay Clayey silt to silty clay Sandy silt to clayey silt Silty sand to sandy silt Sand to silty sand Coarse to medium sand Gravel to gravelly sand Very stiff, fine grained Very stiff sand to clayey sand Soil types und are heavily overconsolidated or cemented. Legend (Colors in Cone Resistance Profile) very soft very loose Legend (Colors in DELCD Profile) soft loose firm - mg/l medium dense stiff, -, mg/l - mg/l dense very stiff - mg/l > mg/l very dense hard Project: Test Location: MIP Client: X-Coord.: FUGRO CONSULT GMBH Contractor: Y-Coord.: In-Situ Technologies Ehlbeek A Processed by: Level: D- Burgwedel Test Date: Depth: Tel. + -, Fax + Sensors #: MIP (Membrane Interface Probe)

8 ,,,, Cone Resistance [MPa] Robertson CPT Soil Classification (modified) Legend (Colors in Friction Ratio Profile) Sensitive, fine grained Organic soils, peat Clay Clay to silty clay Clayey silt to silty clay Sandy silt to clayey silt Silty sand to sandy silt Sand to silty sand Coarse to medium sand Gravel to gravelly sand Very stiff, fine grained Very stiff sand to clayey sand Soil types und are heavily overconsolidated or cemented. Friction Ratio [%]-Conductivity [ms/m*,],,,, Project: Test Location: Client: Contractor: Processed by: Test Date: MIP DELCD [V],,,,,, Soil Density and Consistency (interpreted) Legend (Colors in Cone Resistance Profile) very loose loose medium dense dense very dense MIP,,,,,, very soft soft firm stiff very stiff hard PID [V] Tiefe in m u. GOK FID [V],,,,,, Estimated VOCL-Concentration in PCE-Equivalents,,, DELCD [V] Legend (Colors in DELCD Profile) - mg/l, -, mg/l - mg/l - mg/l > mg/l MIP-CPT Improvements by Fugro Heated MIP trunk line provides higher sensitivity (sharper peaks, reduced tailing, detection range includes SVOC) Membrane temperatures between and C in the saturated zone (increased thermodesorption leads to higher sensitivity) Simultaneous CPT-EC logging can give indication on preferential pathways or NAPL presence One MIP-CPT push comprises: Cone Resistance Sleeve Friction Friction Ratio Membrane Temperature Electrical Conductivity DELCD PID FID Dynamic Porewater Pressure X-Coord.: FUGRO CONSULT GMBH Y-Coord.: In-Situ Technologies Ehlbeek A Level: D- Burgwedel Depth: Tel. + -, Fax + Sensors #: MIP (Membrane Interface Probe)

9 Vertical Scale : MIP [Conductivity ms/m*) DELCD [V] PID [V] FID [V] Monitoring Well PCE <, µg/l TCE <, µg/l DCE. µg/l VC. µg/l,,,,,,,,,,,,,,, Filter. PCE <, µg/l TCE <, µg/l DCE <, µg/l VC <, µg/l Filter. PCE <, µg/l TCE, µg/l DCE, µg/l VC µg/l Filter. PCE <, µg/l TCE <, µg/l DCE µg/l VC, µg/l MIP-CPT Case Study Verification of Monitoring Well Filter Screens

10 ROST (Rapid Optical Screening Tool) Nd-YAG-Laser/Dye-Laser Excitation nm Emission Wavelengths nm UVOST (UltraViolet Optical Screening Tool) Excimer Laser Excitation nm Emission Wavelengths nm Sensors #: LIF (Laser Induced Fluorescence)

11 WAVELENGTH DISTRIBUTION PETROL WAVELENGTH DISTRIBUTION KEROSENE WAVELENGTH DISTRIBUTION HYDRAULIC OIL WAVELENGTH DISTRIBUTION TAR nm nm nm nm nm nm nm nm nm nm nm nm nm nm nm nm WAVELENGTH DISTRIBUTION TURPENTINE WAVELENGTH DISTRIBUTION DIESEL WAVELENGTH DISTRIBUTION CREOSOTE WAVELENGTH DISTRIBUTION IL nm nm nm nm nm nm nm nm nm nm nm nm nm nm nm nm ROST - Waveforms Sensors #: LIF (Laser Induced Fluorescence)

Vertical Scale : ROST ROST Fluorescence in % ROST -CPT Semi-quantitative detection of hydrocarbons (POL) like fuels, crude oil and tar products in both vadose and saturated zone Simultaneous logging

12 Vertical Scale : ROST ROST Fluorescence in % ROST -CPT Semi-quantitative detection of hydrocarbons (POL) like fuels, crude oil and tar products in both vadose and saturated zone Simultaneous logging of geological and chemical subsurface properties Waveform product identification Digital data recording Precise D delineation of NAPL source zones supports on-site decisionmaking Robertson CPT Soil Classification (modified) Soil Density and Consistency (interpreted) ROST Wavelength Shift Wavelength Shift Legend (Colors in Friction Ratio Profile) Legend (Colors in Cone Resistance Profile) very loose very soft soft Legend (Colors in ROST Fluorescence Profile) Sensitive, fine grained Organic soils, peat Clay Clay to silty clay loose medium dense dense firm stiff very stiff Heavy Oil Fraction Heavy to Medium Oil Fraction Medium to Heavy Oil Fraction Medium to Light Oil Fraction Light to Medium Oil Fraction Light Oil Fraction Clayey silt to silty clay very dense hard Sandy silt to clayey silt Silty sand to sandy silt Project: Sand to silty sand Coarse to medium sand Test Location: Gravel to gravelly sand Very stiff, fine grained Very stiff sand to clayey sand Soil types und are heavily overconsolidated or cemented. Client: Contractor: Processed by: X-Coord.: Y-Coord.: Level: FUGRO CONSULT GMBH In-Situ Technologies Ehlbeek A D- Burgwedel Test Date: Depth: Tel. + -, Fax + Sensors #: LIF (Laser Induced Fluorescence)

13 . Vertical Scale : ROST ROST Fluorescence in % pv ns Background pv pv..... ns Kerosene.... ns Kerosene pv Kerosene Source Zone pv Weathered or degraded Kerosene ns. Robertson CPT Soil Classification (modified) Soil Density and Consistency (interpreted) ROST Wavelength Shift Wavelength Shift ns. Kerosene pv Legend (Colors in Friction Ratio Profile) Sensitive, fine grained Organic soils, peat Clay Clay to silty clay Clayey silt to silty clay Sandy silt to clayey silt Silty sand to sandy silt Sand to silty sand Coarse to medium sand Gravel to gravelly sand Very stiff, fine grained Very stiff sand to clayey sand Soil types und are heavily overconsolidated or cemented. Legend (Colors in Cone Resistance Profile) very loose loose medium dense dense very dense Project: Test Location: Client: Contractor: Processed by: Test Date: very soft soft firm stiff very stiff hard Legend (Colors in ROST Fluorescence Profile) Heavy Oil Fraction Medium to Light Oil Fraction Heavy to Medium Oil Fraction Light to Medium Oil Fraction Medium to Heavy Oil Fraction Light Oil Fraction X-Coord.: FUGRO CONSULT GMBH Y-Coord.: In-Situ Technologies Ehlbeek A Level: D- Burgwedel Depth: Tel. + -, Fax + pv ns Background. ns Dissolved Fraction

14 Vertical Scale : A Vertical Scale : B ROST Fluorescence in %. ROST Fluorescence in % pv..... ns.... pv.. Creosote NAPL (ROST TM )... ns Robertson CPT Soil Classification (modified) Soil Density and Consistency (interpreted) ROST Wavelength Shift Robertson CPT Soil Classification (modified) Soil Density and Consistency (interpreted) ROST Wavelength Shift Wavelength Shift Wavelength Shift Legend (Colors in Friction Ratio Profile) Sensitive, fine grained Organic soils, peat Clay Clay to silty clay Clayey silt to silty clay Legend (Colors in Cone Resistance Profile) very loose loose medium dense dense very dense very soft soft firm stiff very stiff hard Legend (Colors in ROST Fluorescence Profile) Heavy Oil Fraction Medium to Light Oil Fraction Heavy to Medium Oil Fraction Light to Medium Oil Fraction Medium to Heavy Oil Fraction Light Oil Fraction Legend (Colors in Friction Ratio Profile) Sensitive, fine grained Organic soils, peat Clay Clay to silty clay Clayey silt to silty clay Legend (Colors in Cone Resistance Profile) very loose loose medium dense dense very dense very soft soft firm stiff very stiff hard Legend (Colors in ROST Fluorescence Profile) Heavy Oil Fraction Medium to Light Oil Fraction Heavy to Medium Oil Fraction Light to Medium Oil Fraction Medium to Heavy Oil Fraction Light Oil Fraction Sandy silt to clayey silt Silty sand to sandy silt Project: Sandy silt to clayey silt Silty sand to sandy silt Project: Sand to silty sand Coarse to medium sand Gravel to gravelly sand Very stiff, fine grained Very stiff sand to clayey sand Soil types und are heavily overconsolidated or cemented. Test Location: Client: Contractor: Processed by: Test Date: X-Coord.: Y-Coord.: Level: Depth: FUGRO CONSULT GMBH In-Situ Technologies Ehlbeek A D- Burgwedel Tel. + -, Fax + Sand to silty sand Coarse to medium sand Gravel to gravelly sand Very stiff, fine grained Very stiff sand to clayey sand Soil types und are heavily overconsolidated or cemented. Test Location: Client: Contractor: Processed by: Test Date: X-Coord.: Y-Coord.: Level: Depth: FUGRO CONSULT GMBH In-Situ Technologies Ehlbeek A D- Burgwedel Tel. + -, Fax +

15 D and D Visualization of MIP/ROST Data

16 Dynamic Site Assessment using Conceptual Site Models (CSM) D-Visualization of MIP-CPT data With kind permission of Dr. Pelzer und Partner Hildesheim

Dichtung Dichtung Edelstahlkörper Edelstahlkörper Druckcasing (Innendurchmesser Druckcasing mindestens ") (Innendurchmesser mindestens ") Seilzug Seilzug

Porengröße) ( Mikron Porengröße) O-Ring O-Ring Gehäuse Gehäuse Probenahmeröhrchen - mll Probenahmeröhrchen Verschlußkappe - mll mit Dichtung

Edelstahlhülse PE-Filter PE-Filter Spitze Spitze Enviroprobe Sondieraupe Enviroprobe Enviroprobe BAT-Probenehmer Geschlossen Geöffnet Enviroprobe

17 Dichtung Dichtung Edelstahlkörper Edelstahlkörper Druckcasing (Innendurchmesser Druckcasing mindestens ") (Innendurchmesser mindestens ") Seilzug Seilzug O-Ring O-Ring Edelstahlhülse rückziehbar Edelstahlhülse rückziehbar Edelstahlspitze Edelstahlspitze Sinter-PE- Filter Sinter-PE- ( Mikron Filter Porengröße) ( Mikron Porengröße) O-Ring O-Ring Gehäuse Gehäuse Probenahmeröhrchen - mll Probenahmeröhrchen Verschlußkappe - mll mit Dichtung Verschlußkappe mit Dichtung Doppelenden- Injektionsnadel Doppelenden- Dichtung Injektionsnadel der Enviroprobe Dichtung der Enviroprobe Edelstahlhülse Edelstahlhülse PE-Filter PE-Filter Spitze Spitze Enviroprobe Sondieraupe Enviroprobe Enviroprobe BAT-Probenehmer Geschlossen Geöffnet Enviroprobe Probenahmeposition BAT-Probenehmer Geschlossen Geöffnet Probenahmeposition BAT- ENVIROPROBE und Grundwasserprobenehmer BAT- ENVIROPROBE und Grundwasserprobenehmer BAT Groundwater Sampler

EKOS Oct 2010 COMBINING SOIL GAS SAMPLING AND MIP INVESTIGATION TO OPTIMIZE A DNAPL SOURCE ZONE CHARACTERIZATION

EKOS Oct 2010 COMBINING SOIL GAS SAMPLING AND MIP INVESTIGATION TO OPTIMIZE A DNAPL SOURCE ZONE CHARACTERIZATION COMBINING SOIL GAS SAMPLING AND MIP INVESTIGATION TO OPTIMIZE A DNAPL SOURCE ZONE CHARACTERIZATION Paulo Valle Principal Consultant ERM Benelux EKOS Oct 2010 Area Layout & Project Goals Groundwater Flow