An Integrated Multiphase Extraction, Soil Vapor Extraction, and Air Sparging Approach for Treatment...
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Transcript of An Integrated Multiphase Extraction, Soil Vapor Extraction, and Air Sparging Approach for Treatment...
![Page 1: An Integrated Multiphase Extraction, Soil Vapor Extraction, and Air Sparging Approach for Treatment of LNAPL Impacts Authors: Kale Novalis, Nadira Najib,](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697c0021a28abf838cc30d7/html5/thumbnails/1.jpg)
An Integrated Multiphase Extraction, Soil Vapor Extraction,
and Air Sparging Approach for Treatment of LNAPL Impacts
Authors:
Kale Novalis, Nadira Najib, Omer Uppal, Matthew Ambrusch, Imtiyaz Khan, Stewart Abrams, P.E., Steve Ciambruschini, LEP
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![Page 3: An Integrated Multiphase Extraction, Soil Vapor Extraction, and Air Sparging Approach for Treatment of LNAPL Impacts Authors: Kale Novalis, Nadira Najib,](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697c0021a28abf838cc30d7/html5/thumbnails/3.jpg)
Bulkhead vertical cap installation along Gowanus Canal Superfund site
![Page 4: An Integrated Multiphase Extraction, Soil Vapor Extraction, and Air Sparging Approach for Treatment of LNAPL Impacts Authors: Kale Novalis, Nadira Najib,](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697c0021a28abf838cc30d7/html5/thumbnails/4.jpg)
Typical Brownfields Project Timeline
Due Diligence
RI Phase
RAWPPhase
Final Reporting
Phase IPhase II
RIWPRIR
RAWP FERSMP
O & MCOC
![Page 5: An Integrated Multiphase Extraction, Soil Vapor Extraction, and Air Sparging Approach for Treatment of LNAPL Impacts Authors: Kale Novalis, Nadira Najib,](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697c0021a28abf838cc30d7/html5/thumbnails/5.jpg)
Original Scope of Excavation
Supplemental RI Additional Excavation
Extended Excavation due to Field Observations
UST Locations and Excavations
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Presence of NAPL during foundation
construction
![Page 7: An Integrated Multiphase Extraction, Soil Vapor Extraction, and Air Sparging Approach for Treatment of LNAPL Impacts Authors: Kale Novalis, Nadira Najib,](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697c0021a28abf838cc30d7/html5/thumbnails/7.jpg)
Design Constraints
• Structural/architectural design components
• NO access to remedial wells and associated manifold piping
• Tidally influenced water table
• Large distances between process equipment and remedial wells
Careful piping layout to minimize friction loss and prevent moisture traps
Unique well construction design to ensure wells are always functional
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Site 1 Excavation Site 2 Excavation
Tidal and Seasonal Water Table
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Community Action Groups
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Groundwater RemediationRemedial Components
• Air Sparge• Soil Vapor Extraction • Multi-Phase Extraction• Active SSDS
Target Treatment• Gasoline • Fuel No. 4
![Page 11: An Integrated Multiphase Extraction, Soil Vapor Extraction, and Air Sparging Approach for Treatment of LNAPL Impacts Authors: Kale Novalis, Nadira Najib,](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697c0021a28abf838cc30d7/html5/thumbnails/11.jpg)
Field Constraints• Coordination of schedules with other contractors
• Maintaining system effectiveness with changing building elevations and pipe routes
• Varying GW elevations – prefabricated wells
• Ensuring the H&S of all workers
COMMUNICATION throughout the entirety of the process was key to the
successful installation
![Page 12: An Integrated Multiphase Extraction, Soil Vapor Extraction, and Air Sparging Approach for Treatment of LNAPL Impacts Authors: Kale Novalis, Nadira Najib,](https://reader036.fdocuments.in/reader036/viewer/2022062519/5697c0021a28abf838cc30d7/html5/thumbnails/12.jpg)
Soil Vapor Extraction
https://commons.wikimedia.org
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Air Sparging
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Multiphase Extraction
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Well Constructions
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Vapor Intrusion Mitigation
http://www.nj.gov/dep/srp/guidance/vaporintrusion/subsurface.htm
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Manifold Layout
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MPE Process Diagram
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Before After
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