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
1st Floor Adjacent Main Lobby, Conference Room, Hall by Stairwell N, Service Hall near Exit
The methodology utilized for the asbestos air samples collected at the conclusion of the cleaning operation involved drawing a known volume of air through a porous, mixed cellulose ester filter with a 0.45 micron diameter pore size. The particles on the filter were then analyzed using Transmission Electron Microscopy (TEM) techniques to determine the type and concentration of airborne asbestos fibers from the selected sampling locations. Federal regulations (AHERA) pertaining to acceptable levels of airborne asbestos concentrations for the purpose of re-occupying a school where asbestos activities have been conducted have been set at a fiber density of 70 structures per square millimeter within the sample. This criterion is being utilized by the U.S. Environmental Protection Agency to report airborne asbestos in the area of the World Trade Center collapse.
All but one of the forty (40) asbestos air samples collected had no asbestos structures detected. One sample had a reported fiber density of 16.7 structures per square millimeter, well below the re-occupancy criterion.
Air monitoring results are in Appendix 2.
Additionally, two lead wipes were taken in the areas that previously had higher lead levels. The analytical results of these samples will be known within two days. A separate report will be written when these results are received.
4.0 CONCLUSIONS/RECOMMENDATIONS
• A visual inspection was made of all cleaned units and cleaned common areas. Visible dust was not apparent. A Certification was issued for all of these areas.
• Air monitoring was conducted. A total of forty (40) air samples were collected and analyzed for asbestos. All samples were below the criterion of 70 structures per square millimeter.
• Based upon the visible inspections and air monitoring results, it is felt that this building can be re-occupied.
455 North End Avenue, New York, New York Page 4
NYC-WTC 000096988
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Inspection report document from SAF Environmental regarding environmental conditions at 124 Nassau Street.
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A document listing seven licensed contractors authorized to perform clean-up and abatement work at the World Trade Center site.
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Service record documenting a request concerning asbestos at 59 Warren Street and surrounding streets following the World Trade Center collapse.
2 shared non-person entities · similarity 0.925
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EPA waste management log and documentation form for asbestos disposal activities involving generators and contractors.
4 shared non-person entities · similarity 0.924
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Correspondence from NYC Corporation Counsel providing comments on excerpts of a draft EPA evaluation report regarding the WTC response.
10 shared non-person entities · 1 shared topics · similarity 0.924
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000114080
Record of an asbestos complaint filed for 333 Rector Place in January 2002.
4 shared non-person entities · similarity 0.923
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000113198
Form for documenting the disposal of asbestos waste collected from 54 Warren Street.
4 shared non-person entities · similarity 0.923
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000132877
Consulting and testing services report on asbestos air quality monitoring at various floors of 115 Broadway in September 2001.
6 shared non-person entities · 1 shared topics · similarity 0.923
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000105336
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
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000094893
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
Blank or partially filled asbestos inspection report form for premises at 92-94 Warren Street.
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.
Filed in the same folder
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A document listing seven licensed contractors authorized to perform clean-up and abatement work at the World Trade Center site.
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