Report from EPA Region 2 detailing joint efforts with FEMA and NYC for the World Trade Center residential dust cleanup program.
NYC-WTC_000140894–000140898Folder label: “FEMA SEMO”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
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Status Report for the Interior Cleaning Study lAG ID Number: EMW-2002-IA-0126
Description of Work Completed:
The Residential Cleaning Study (RCS), also known as the Confirmation Building (Pilot) cleanup study, was initiated to evaluate different cleaning techniques that may have been utilized in the cleanup of residential spaces in the immediate vicinity of the former World Trade Center. The study involves implementing various cleaning techniques in separate apartments to determine their effectiveness. Comprehensive sampling for Contaminants of Potential Concern (COPC) was conducted throughout the study to determine which method of cleaning was most effective at removal of dust. The Contaminants of Potential Concern have been identified in a draft document, “WTC Indoor Air Assessment: Selecting Contaminants of Potential Concern and Setting Health-Based Benchmarks”. This is currently imdergoing peer review with a report planned for mid December.
On June 17, 2002 EPA initiated field work associated with the RCS on a building located at 110 Liberty Street. The 5 story building has 12 residential and 6 commercial spaces and has been unoccupied since 9/11. EPA has been evaluating 8 different cleaning techniques in separate units of the building. Cleaning techniques consist of basic vacuuming with standard household equipment to use of advanced commercial quality equipment. Wet wiping of horizontal surfaces was performed in each unit. Wet vacuums were used to clean carpets. Sampling was conducted prior to, during and after cleaning to determine the efficiency and effectiveness of each cleanup technique as well as possible exposures to individuals performing the task.
EPA has completed cleaning and sampling of all 12 residential and 6 commercial spaces. Six (6) residential spaces were cleaned twice and 3 residential spaces were cleaned a third time. Two (2) of the 3 commercial spaces required a second roimd of cleaning. Of the 6 commercial spaces, 3 were not part of the cleaning study but were cleaned and used to evaluate the cleaning and sampling of heating, ventilation and air conditioning (HVAC) systems. Post cleaning sample results collected from the systems are pending.
To date EPA has collected approximately 3,100 samples to evaluate cleaning techniques and possible exposures to contaminants. Approximately 2,676 samples (air, wipe and micro vacuuming) were collected to evaluate pre-cleanup and post cleanup efforts. Approximately 470 personal worker air samples were collected to evaluate potential occupational exposure levels.
Pending Activities: The evaluation of the effectiveness of the various cleaning methods used will begin once we receive all sample results.
NYC-WTC_000140895
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NYC-WTC_000140731
Attendance list and discussion notes from the May 23, 2002 meeting at EPA Region 2 offices regarding contaminants.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000141510
Fax cover sheet from the Department of Environmental Protection dated May 2, 2002, containing confidential information.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000147982
A project proposal outlining the timeline, methods, and justification for cleaning HVAC systems in residential units affected by World Trade Center dust.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000148621
Memo outlining DEP activities including assessment and coordination with federal agencies for street and sidewalk cleaning.
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Memo distributing draft indoor air programs with revisions assigning data collection responsibility to OEM and removing HVAC section pending further development.
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A document page containing mostly unreadable characters and formatting artifacts, likely a scanned form or corrupted file.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000149798
Generic form or header page from the Department of Environmental Protection regarding general World Trade Center notices and requests.
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Draft development of coordinated NYC-FEMA indoor air quality approach and response strategy for WTC-affected areas.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000160515
Plan outlining cleaning timelines, cancellation policies, HVAC inspection deadlines, and access agreement requirements for February 2003.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000162074
Daily summary of calls received by WTC hotline operators on May 2, 2002, including requests for indoor air testing.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153000
DEP correspondence regarding FEMA mission assignment and cost proposals for indoor air testing and cleanup.
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machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
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Notice instructing personnel not to dispose of scanned World Trade Center documents as they are evidence for legal actions.
Filed in the same folder
Draft proposal requesting FEMA funds to establish an office coordinating NYCDOH's participation in WTC environmental response efforts.
Filed in the same folder
NYC-WTC_000140892
Draft proposal requesting FEMA funds to establish an office coordinating environmental health response in Lower Manhattan.
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NYC-WTC_000140899
Formal EPA report to FEMA detailing progress and results of the World Trade Center residential dust cleanup program.
Filed in the same folder
NYC-WTC_000140902
FEMA request to NYC DEP for approval criteria to evaluate cleaning requests from agencies like CUNY and Board of Education, based on health and safety threat assessment.
Filed in the same folder