DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145393Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Asbestos Still in Many U.S. Buildings
Asbestos is present in many buildings across the country and is still used in some
building materials.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145558Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Asbestos Still in Many U.S. Buildings
Asbestos is present in many buildings across the country and is still used in some
building materials.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145378Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Asbestos-containing material was
identified as any material containing more than one percent asbestos.
09-16-01 The NYCDEP issued a “Public Notice” flyer to building owners
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145543Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Asbestos-containing material was
identified as any material containing more than one percent asbestos.
09-16-01 The NYCDEP issued a “Public Notice” flyer to building owners that
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145757Machine-extracted title Chain of custodySummary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
NYC 9/11 Public Portal Document
for asbestos. These samples indicate that asbestos was present in the unit prior to
cleaning.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145746Machine-extracted title Chain of custodySummary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
Asbestos
Before Cleaning Samples - Two air, three micro vacuum and four wipe samples were
collected for asbestos.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145618Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Further, the
study found that asbestos levels in both buildings exceeded the AHERA standard of 70 s/mm2:
• Asbestos concentrations ranged from 6,277 to 10,620 s/mm2 in the building expected
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145453Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Further, the
study found that asbestos levels in both buildings exceeded the AHERA standard of 70 s/mm2:
• Asbestos concentrations ranged from 6,277 to 10,620 s/nim2 in the building expected
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145434Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Asbestos 1 % asbestos The Asbestos NESHAP (40 CFR Part 61) level at which a material
(Bulk Dust) is considered asbestos-containing and subject to NESHAP removal
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145599Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Asbestos 1 % asbestos The Asbestos NESHAP (40 CFR Part 61) level at which a material
(Bulk Dust) is considered asbestos-containing and subject to NESHAP removal
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145365Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
asbestos above the 1 percent benchmark.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145530Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Imprecise optical asbestos sampling methodologies, and
Over 25 percent of the bulk dust samples collected before September 18
showed the presence of asbestos
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145702Machine-extracted title Chain of custodySummary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
PCM and transmission electron microscopy (TEM) Asbestos Hazard Emergent^
Response Act (AHERA), COPC in other media (e.g., asbestos, MMVF, and alpha-quartz in
settled dust), compounds that were included
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145762Machine-extracted title Chain of custodySummary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
Asbestos
Before Cleaning Samples - Pre-cleaning micro vacuum and wipe samples were collected
for asbestos.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145814Machine-extracted title Chain of custodySummary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
In both cases, there was no overloading of the filters and valid asbestos air
results were received.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145783Machine-extracted title Chain of custodySummary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
NYC 9/11 Public Portal Document
Asbestos was present in all five wipe samples at lower concentrations than those observed
before cleaning.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145749Machine-extracted title Chain of custodySummary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
Asbestos
Before Cleaning Samples - Four micro vacuum and four wipe samples were collected for
asbestos.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145617Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
saBOii Type Asbestos Detected Asbestos Detected
09/14/01 Vacuum 5 Not Analyzed
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145811Machine-extracted title Chain of custodySummary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.
As presented in
Table 14.0, air samples collected for asbestos and analyzed using PCMe accounted for the
majority (82 percent) of the additional cleaning events.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145432Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Most dust samples fall below EPA's definition of "asbestos
containing material" (one percent asbestos).