947 document results

Summary EPA report excerpt discussing the cessation of outdoor air monitoring in June 2002 and ongoing concerns about indoor contamination.

Three of these COPCs are considered cancer causing: asbestos, Ago dioxin, and PAHs.

Summary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.

Presented in Table 7-1 is a summary of U.S. residential building average asbestos concentrations by direct TEM as found in the literature search. 7.1.2 Settled Asbestos Dust

Summary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.

The arithmetic mean for asbestos loading was 2,783 s/cm^ for the microvacuum samples and 37,174 s/cm^ for the wipe samples.

Summary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.

3 Cleanup Criteria Post-First Cleaning COPC Air Wipe MV Air Wipe MV Dioxin 0.001 ng/ 4 ng/m2 PAH 0.2 ug/m 300 ug/m2 Asbestos

Summary A transmittal form for a letter sent to EPA Region 2 regarding World Trade Center environmental matters.

Work must be con$isW wUh the determination made by Secretary of OSHA John Henshaw on January 31,20C2 that all the settled dust from ±e collapse of the twin towers must be presumed to contain asbestos

Summary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.

The study found that conducting asbestos air sampling was a conservative method for determining if additional cleaning was needed.

Summary Form listing asbestos air sampling locations at specific schools and Ground Zero with a start date of September 14, 2001.

Concerned Stuyt csanr Parents ss now demanding a complete asbestos abatement for the auditorium.

Summary Administrative cover sheet for a fax transmission from EPA Region 2 concerning World Trade Center documentation.

, sample exceeded and size distribution 1% for asbestos

Summary Standard administrative notice requiring the retention of original World Trade Center records as evidence for future legal actions.

Sample quantities should be similar to asbestos air (except maybe dioxin which is around $750 per sample).

Summary Standard administrative notice requiring the retention of original World Trade Center records as evidence for future legal actions.

Sample quantities should be similar to asbestos air (except maybe dioxin which is around $750 per sample).

Summary Standard administrative notice requiring the retention of original World Trade Center records as evidence for future legal actions.

Sample quantities should be similar to asbestos air (except maybe dioxin which is around $750 per sample).

Summary Standard administrative notice requiring the retention of original World Trade Center records as evidence for future legal actions.

Sample quantities should be similar to asbestos air (except maybe dioxin which is around $750 per sample).

Summary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.

NYC-WTC_000145854 Table 11.2 Contamioants of Potential Concern (COPC) Exceedance By Event Second Floor Hallway: Test 4A Cleanup Criteria COPC Dioxin PAH Asbestos Lead MMVF Silica Air Wipe 0.001 ng/ml 4 ng/m2 | 10.2 ug/m3

Summary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.

These included asbestos in air by PCM and TEM AHERA, asbestos in settled dust, calcite in air and settled dust, gypsum in air and settled dust, cristobalite in air and settled dust, tridymite in air and

Summary Correspondence from NYC Corporation Counsel providing comments on excerpts of a draft EPA evaluation report regarding the WTC response.

Ongolng••Asbestos sampling time and analytical procedure ERT technical staff have recommended changes in sampling period and analytical method to alleviate strain on laboratory and field

Summary Large volume technical report containing environmental data and analysis related to the World Trade Center disaster site cleanup.

EPA wds monitoring the area’s outdoor air for asbestos and particulate matter and for levels of asbestos in the dust.

Summary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.

EPA believes that the health based asbestos io air clearance testirrg is effective in reducing the potential for risk (dated to WTC contamiiuantx.

Summary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.

cleanup and could report any asbestos related problems.”

Summary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.

First Cleaning COPC Wipe MV Air [Wipe MV Air Wipe MV Dioxin 4 ng/m2 PAH 300 ug/m2 2.7 Asbestos

Summary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.

Asbestos ....21 Table 8.