DEP Hard Copies (68 Boxes) / DEP Box 08 / EPA OIG LAW
NYC-WTC_000146474Machine-extracted title Chain of custodySummary Correspondence from NYC Corporation Counsel providing comments on excerpts of a draft EPA evaluation report regarding the WTC response.
One sample bas
already been analyzed for asbestos content and showed an asbestos content greater than l %
(2.1 %), which is the definition commonly used to define asbestos containing .material.
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 / SCHOOLS
NYC-WTC_000144532Machine-extracted title UnclassifiedSummary Technical scope of work document detailing continuous air sampling procedures and analysis methods for four specific school locations.
NYC 9/11 Public Portal Document
Ambient Air Monitoring Stations Within a Quarter Mile Radius
of Four Lower Manhattan Schools
Asbestos air monitors, dally samples taken by EPA since 9/15/2001
Asbestos air monitors, daily sampies
DEP Hard Copies (68 Boxes) / DEP Box 08 / INTERIM FINAL April 2003
NYC-WTC_000145897Machine-extracted title Chain of custodySummary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
collected and analyzed for
asbestos.
DEP Hard Copies (68 Boxes) / DEP Box 08 / EPA OIG LAW
NYC-WTC_000146472Machine-extracted title Chain of custodySummary Correspondence from NYC Corporation Counsel providing comments on excerpts of a draft EPA evaluation report regarding the WTC response.
asbestos containing material
(1 % asbestos).
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_000145769Machine-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 - Seven micro vacuum and four wipe samples were collected
for analysis of asbestos.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145775Machine-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 micro vacuum and five wipe samples were collected for
analysis of asbestos.
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_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_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_000144993Machine-extracted title Memo or letterSummary Large volume technical report containing environmental data and analysis related to the World Trade Center disaster site cleanup.
Some environmental experts expressed concern that other substances besides asbestos were of
greater concern shortly after the attacks.
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_000145571Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Need to Treat Impacted Buildings as a System
Tests of indoor asbestos contamination have shown that the distribution of
asbestos within indoor spaces is not consistent
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145765Machine-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 - Six micro vacuum and five wipe samples were collected for
asbestos.
DEP Hard Copies (68 Boxes) / DEP Box 08 / NO INFO
NYC-WTC_000145406Machine-extracted title Permit applicationSummary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.
Need to Treat Impacted Buildings as a System
Tests of indoor asbestos contamination have shown that the distribution of
asbestos within indoor spaces is not consistent
DEP Hard Copies (68 Boxes) / DEP Box 08 / INTERIM FINAL April 2003
NYC-WTC_000145914Machine-extracted title Chain of custodySummary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
’^ llliiiil
Asbestos - TEM 0.
DEP Hard Copies (68 Boxes) / DEP Box 08 / INTERIM FINAL April 2003
NYC-WTC_000145872Machine-extracted title Chain of custodySummary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
Measurements .... 31
7.1.2 Settled Asbestos Dust Measurements.......... .............. 32
7.1.3 Airborne Man-Made Vitreous Fibers
DEP Hard Copies (68 Boxes) / DEP Box 08 / INTERIM FINAL April 2003
NYC-WTC_000145879Machine-extracted title Chain of custodySummary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
• 1 - ,
Asbestos - TEM OJ as24 s/cc’^ ■; • '
AHERA •
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.