648 document results

Summary EPA memorandum on wipe sampling methods for asbestos in Lower Manhattan buildings, resuspension projections, and cancer risk estimates from WTC dust exposure.

If there are any elevated levels of asbestos on surfaces, then landlords should be contacted and asbestos abatement by trained, certified professionals should be instituted.

Summary Memorandum detailing procedures for asbestos wipe sampling in Lower Manhattan and estimating associated cancer risks from dust exposure.

If there are any elevated levels of asbestos on surfaces, then landlords should be contacted and asbestos abatement by trained, certified professionals should be instituted.

Summary Memorandum detailing procedures for asbestos wipe sampling in Lower Manhattan and estimating associated cancer risks from dust exposure.

Then, the conversion factors are estimated for WTC asbestos dusts.

Summary Contractual agreement establishing an independent firm to monitor debris cleanup and conduct air sampling.

Project Monitors The Project Monitors must possess valid NYS Asbestos Project Monitor certificates.

Summary Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.

Carpets and other woven fabrics are reservoirs for asbestos and are a source of continued release.

Summary Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.

Carpets and other woven fabrics are reservoirs for asbestos and are a source of continued release.

Summary Data table showing asbestos structures per square millimeter measured at the Pier 25 air monitoring site in November 2001.

of asbestos fibers).

Summary EPA daily summary of environmental sampling and analysis for air, dust, water, and sediments at the World Trade Center site in October 2001.

for asbestos.

Summary Announcement regarding the awarding of contracts for residential dust cleanup and testing in lower Manhattan after the World Trade Center attacks.

counting the number of asbestos fibers found.

Summary Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.

.® High impacts, such as foot traffic or children playing with toys on carpets, would certainly result in the breakdown of asbestos fibers that are bundled together into individual asbestos, resulting

Summary Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.

NYC 9/11 Public Portal Document Resuspension K-Factors for settled asbestos dusts determined from controlled asbestos studies.

Summary Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.

.^ High impacts, such as foot traffic or children playing with toys on carpets, would certainly result in the breakdown of asbestos fibers that are bundled together into individual asbestos, resulting

Summary Forwarded EPA memorandum dated June 9, 2002, concerning the Asbestos Reservoir and carpet testing methods.

NYC 9/11 Public Portal Document Resuspension K-Factors for settled asbestos dusts determined from controlled asbestos studies.

Summary Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.

.® High impacts, such as foot traffic or children playing with toys on carpets, would certainly result in the breakdown of asbestos fibers that are bundled together into individual asbestos, resulting

Summary Printed EPA webpage regarding residential asbestos testing and cleaning programs in lower Manhattan following the September 11 attacks.

and counting the number of asbestos fibers found.

Summary EPA memorandum addressing World Trade Center asbestos contamination status and agency efforts to provide information on the situation.

NYC 9/11 Public Portal Document Resuspension K-Factors for settled asbestos dusts determined from controlled asbestos studies.

Summary Memorandum comparing asbestos data in Manhattan to other sites and arguing for cleanup under the Superfund statute.

Within EPA itself, we do not have the expertise to design or carry out state of the art testing protocols for asbestos. For other hazardous substances, we do have expertise, but not for asbestos.

Summary Memorandum comparing asbestos data in Manhattan to other sites and arguing for cleanup under the Superfund statute.

Asbestos does not leave buildings with ordinary cleaning methods The asbestos contamination is not going to leave buildings in Manhattan by itself with ordinary cleaning any more than it will in Libby

Summary Technical memorandum from EPA discussing ultrasonication testing for asbestos in carpets and HEPA vacuuming effectiveness.

Carpets and other woven fabrics are reservoirs for asbestos and are a source of continued release.

Summary Fact sheet reporting that air and dust samples from lower Manhattan showed no asbestos exposure above safety levels.

Levels of asbestos in the dust and debris vary.