OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
FROM: Christopher D''Andrea
TO: Sandra Mullin
COPIED: Nancy Jeffery; Jessica Leighton
BCC:
DATE: 20011010 16:20:34
SUBJECT: asbestos info
The standards that are in place for evaluating asbestos exposure, and the data we have relied on, are based on the best scientific research and methodologies available. All standard methodologies have been relied on to determine levels of airborne asbestos and fibrous material. Many of the samples collected to date have been analyzed using Transmission Electron Microscopy (TEM). TEM is considered to be the definitive state-of-the-art method for identifying asbestos fibers. The outdoor air results reported on the EPA web site have been analyzed by TEM and are being compared to the standard set by the Asbestos Hazard Emergency Response Act (AHERA). The exposure standards set by AHERA were established to provide clearance for schools.
Rescue workers, who may have prolonged exposure to high levels of particulate matter that may include asbestos, must lower their exposure risks by wearing respiratory protection. The levels of airborne asbestos detected beyond the restricted work zone, however, do not warrant the use of respiratory protection.
This last paragraph needs work: It is expected and has been shown by the data collected to date that any asbestos exposure to the general public would be to low levels. Additionally, it is expected that any exposures to the general public would be of a short duration and would not likely result in any long-term health risk.
CITY_21MC100_003149514
NYC-WTC_000232871
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NYC-WTC_000140170
EPA memorandum on wipe sampling methods for asbestos in Lower Manhattan buildings, resuspension projections, and cancer risk estimates from WTC dust exposure.
3 shared non-person entities · similarity 0.935
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140138
EPA memorandum addressing World Trade Center asbestos contamination status and agency efforts to provide information on the situation.
3 shared non-person entities · similarity 0.934
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000151635
EPA memorandum detailing plans for asbestos wipe sampling, projecting airborne dust levels, and estimating increased cancer risks from WTC dust exposure.
3 shared non-person entities · similarity 0.933
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140259
Memorandum detailing procedures for asbestos wipe sampling in Lower Manhattan and estimating associated cancer risks from dust exposure.
3 shared non-person entities · similarity 0.933
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140083
Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.
3 shared non-person entities · similarity 0.932
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140040
Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.
3 shared non-person entities · similarity 0.931
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000140235
Memorandum comparing asbestos data in Manhattan to other sites and arguing for cleanup under the Superfund statute.
3 shared non-person entities · similarity 0.931
machine-extracted · confidence unavailable · Check page ↗3 shared non-person entities · similarity 0.929
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000154652
Internal tracking document for managing reports, comments, and actions related to environmental compliance cases.
3 shared non-person entities · similarity 0.929
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153317
Public information sheet explaining asbestos properties and its presence in World Trade Center materials and debris.
2 shared non-person entities · similarity 0.926
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000153319
Draft informational document explaining asbestos properties and its presence in World Trade Center materials and debris.
2 shared non-person entities · similarity 0.924
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000123868
Letter from the NYC Department of Health dated February 8, 2002, summarizing environmental sampling and asbestos testing results at a residential building.
3 shared non-person entities · 1 shared topics · similarity 0.924
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000106330
Letter reporting asbestos testing results for air and dust at Borough of Manhattan Community College in February 2002.
Similarity score 0.965 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.964 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.959 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.959 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Similarity score 0.959 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000106183
Fax cover sheet from District Council 37 dated March 4, 2002, transmitting an asbestos testing report to the DEP.
Similarity score 0.958 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000140170
EPA memorandum on wipe sampling methods for asbestos in Lower Manhattan buildings, resuspension projections, and cancer risk estimates from WTC dust exposure.
Similar indexed content
NYC-WTC_000140138
EPA memorandum addressing World Trade Center asbestos contamination status and agency efforts to provide information on the situation.
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NYC-WTC_000151635
EPA memorandum detailing plans for asbestos wipe sampling, projecting airborne dust levels, and estimating increased cancer risks from WTC dust exposure.
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NYC-WTC_000140259
Memorandum detailing procedures for asbestos wipe sampling in Lower Manhattan and estimating associated cancer risks from dust exposure.
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NYC-WTC_000140083
Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.
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