Letter from a property director providing an assessment of environmental cleanup activities at 455 North End Avenue.
NYC-WTC_000096973–000097059Folder label: “455 NORTH END AVENUE Block: 16 Lot: 205 BIN: 1085815 The Landmark”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
The two air handling units on the roof were opened and visible debris was cleaned out. A visual inspection was conducted and Certification was issued. The Certifications are in Appendix 1.
2.1.2 Ducts on the First Floor
Ducts above the First Floor ceiling were cut open in several locations. Visible debris and dust were cleaned out using High Efficiency Particulate Air (HEPA) vacuums and wet wiping.
2.1.3 Hallway Ventilation Units
The grills on all floors were sealed with polyethylene. Air was forced into the system on the 14th Floor. The grills were then removed from the system on the Second Floor hallway. Settled dust and debris were removed by HEPA vacuuming and wet wiping.
2.1.4 Courtyard Air Intakes
The courtyard air intakes were sealed with plastic. A duct was attached to an opening made in the plastic at each location. The duct was connected to an air filtration unit that sucked air from each of the air intakes through a HEPA filter.
3.0 WIPE SAMPLES
Wipe samples were collected at six locations in the common area ventilation ducts. These samples were analyzed qualitatively for asbestos. No visible asbestos was found in any of the samples. The results of these samples are in Appendix 2.
4.0 CONCLUSSIONS/RECOMMENDATIONS
• The ventilation ducts were cleaned of debris caused by the World Trade Center collapse.
• New filters should be placed in all systems prior to re-starting,
455 North End Avenue, New York, New York Page 2
NYC-WTC 000096976
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4 shared non-person entities · similarity 0.924
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4 shared non-person entities · similarity 0.923
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4 shared non-person entities · similarity 0.923
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6 shared non-person entities · 1 shared topics · similarity 0.923
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Letter enclosing air sampling results and cleaning details for 70 Battery Place conducted in November 2001.
5 shared non-person entities · 1 shared topics · similarity 0.922
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Confidential asbestos assessment report prepared by EMG Inc. for the building formerly known as 3 World Financial Center.
5 shared non-person entities · 1 shared topics · similarity 0.922
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000112945
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2 shared non-person entities · similarity 0.922
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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Document label identifying a file folder containing records related to environmental activities at 455 North End Avenue.
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