Public information sheet explaining asbestos properties and its presence in World Trade Center materials and debris.
NYC-WTC_000153317–000153318
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
DRAFT ASBESTOS FACT SHEET
In an effort to assist the general public witli questions concerning Asbestos, this fact is being issued by the New York City Department of Health (DOH), in conjunction with the New York State Department of Health (NYSDOH), the Agency for Toxic Substances and Disease Registry (ATSDR), and other federal agencies.
What is Asbestos?
Asbestos is a group of naturally occurring fibrous minerals mined for their insulation, friction, and fire resistant properties. They were used in over 3,000 different products to include; brake linings, asbestos cement pipe, building materials, and insulation. Most asbestos containing products have now been replaced by less toxic materials. However, due to the extensive use of asbestos, particularly in break linings and building products, asbestos fibers are still present in the soil, air, and indoor environments. The World Trade Center, which was constructed prior to the early 197O's, still contained asbestos containing materials.
Has Asbestos been detected?
Since asbestos was used in building the World Trade Center, City, State, and Federal agencies have been collecting dust, debris, and air samples since the collapse. Some asbestos was found in a few of the dust and debris samples taken from the blast site and individuals working in this area have been advised to take precautions.
However, most of the air samples taken have been below levels of concern. Based on the asbestos test results received thus far, there are no significant health risks to occupants in the affected area or to the general public.
What are the health effects of asbestos?
Asbestos exposure (which can cause asbestos-related lung disease) becomes a health concern when high concentrations of asbestos fibers are inhaled over a long period of time. Asbestos-related lung disease results only from intense asbestos exposure, primarily as a consequence of occupational exposures. Miners and other workers who inhaled high concentrations of the asbestos fibers later developed diseases such as lung cancer, mesothelioma (cancer of the thin membrane that surrounds the lung), and asbestobL (scarring of the lungs). The risk of developing an asbestos-related illness following an exposure ofshort duration, even to high levels, is extremely low.
NYC-WTC_000153317
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NYC-WTC_000153319
Draft informational document explaining asbestos properties and its presence in World Trade Center materials and debris.
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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.
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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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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.
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EPA memorandum on wipe sampling methods for asbestos in Lower Manhattan buildings, resuspension projections, and cancer risk estimates from WTC dust exposure.
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Memorandum comparing asbestos data in Manhattan to other sites and arguing for cleanup under the Superfund statute.
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Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.
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Internal tracking document for managing reports, comments, and actions related to environmental compliance cases.
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Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.
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Draft Q&A explaining asbestos properties, health risks from airborne fibers, and exposure duration concerns.
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Letter from the NYC Department of Health dated February 8, 2002, summarizing environmental sampling and asbestos testing results at a residential building.
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OSHA letter to the EPA providing a description of asbestos monitoring data used for selecting personal protective equipment for cleanup contractors.
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