EPA provides final versions of scopes of work for the WTC indoor dust cleaning program.
NYC-WTC_000138774–000138797Folder label: “E-Mails Hotline M. Gilsenan”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
9. Negative pressure ventilation equipment shall be installed and operated during all cleaning activities. Equipment shall run continuously until clearance air monitoring. A minimum ofone air change every 15 minutes shall be provided. When ducting to the outside is not possible, a second negative pressure ventilation unit compatible with the primary unit may be connected in series.
10. All WTC debris shall be misted and double-bagged. Accumulation ofwater is prohibited. Water misting shall be sufficient to wet the material without water accumulations.
11. After the removal ofdebris, all surfaces will be cleaned in accordance with the procedures specified in Scope A. After all surfaces have been cleaned, a second cleaning shall be performed. This results in two full cleanings ofall surfaces, with the following exception. Water extraction cleaning ofcarpets and fabric covered furniture will be conducted only once. Surfaces include but are not limited to walls, floors, ceilings, ledges, trims, appliances, equipment and furnishings.
12. Residents may identify and tag certain furnishings (e.g. carpets and fabric covered furniture) for disposal rather than cleaning. Disposal ofresidents’ personal property shall not occur without prior written authorization by the owner.
13. Disposal ofall wastes generated during the cleaning shall be the responsibility ofthe contractor. All waste generated shall be treated as asbestos-containing material (ACM). Transportation and disposal of generated waste shall be in compliance with all applicable rules and regulations.
14. A Cleaning Checklist (to be developed by EPA) will be completed by the cleaning contractor as tasks are completed to document the progress of the cleaning.
15. An activity log will be maintained by the site supervisor.
16. The cleaning contractor shall notify the monitoring contractor immediately upon completion ofthe cleaning. The Monitoring Contractor will conduct a thorough visual inspection to verify the absence ofvisible dust accumulations. Ifdust is observed, the cleaning contractor will reclean as necessary at no additional cost.
17. Air sampling shall be performed by the Monitoring Contractor after the area is free of dust accumulations as determined by the Monitoring Contractor. The residence will be recleaned and retested if the clean-up criteria of0.0009 fibers/cc (PCME measured by TEM) is not achieved or if determined necessary by EPA. This clean-up criterion may be reevaluated and revised, if determined necessary based on field conditions and analytical limitations.
18. After successful clearance air monitoring, isolation barriers shall be removed in conjunction with the use of a HEPA vacuum.
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NYC-WTC_000138796
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NYC-WTC_000139005
EPA final scope of work documents for monitoring and cleaning operations in World Trade Center indoor dust remediation program.
19 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 1.000
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138805
EPA delivers final scopes of work for WTC indoor dust cleaning and monitoring program to DEP.
19 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 1.000
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139069
EPA scope of work documents for World Trade Center indoor dust cleaning program monitoring and remediation procedures.
18 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139029
EPA final scope of work documents for World Trade Center indoor dust cleaning and monitoring program forwarded to NYC project managers.
18 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000138918
Internal DEP correspondence discussing EPA draft scope of work for WTC program and clarifying agency roles and responsibilities.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139209
Administrative notice instructs staff to preserve original World Trade Center documents for potential litigation.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139232
DEP requests review of attached Scope of Work documents for mold remediation and air monitoring contracts.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139101
EPA transmits revised scopes of work documents for the indoor dust cleaning and monitoring program, including cleaning SOW #7 and monitoring SOW #7.
18 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139830
Memo discusses finalizing agency roles in the monitoring program and addresses required indemnification letters and right of entry issues.
16 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000139539
Updated scopes of work for WTC cleaning and monitoring contracts distributed to multiple agencies for coordination.
13 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000161325
Final scope of work documents for indoor dust cleaning and monitoring contractor activities in WTC cleanup program.
18 shared non-person entities · 1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000163328
Distribution to environmental organizations, legal advocates, health agencies, unions, and academic institutions.
17 shared non-person entities · 1 shared topics · similarity 0.995
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