475 document results

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

Portal Document WTC Indoor Air/Environment Pre-Cleaning Study Sampling Matrix Wipe Samples Asbesios MMVE Ceilings Walls Bare floor Counter tops or furniture (table tops) Total Wipe Samples/parameter 1 4 Micro-vacuum Samples Asbestos

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

NYC 9/11 Public Portal Document Appendix F EPA Outdoor Bulk Dust Asbestos Test Results

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

........................ 30 Agency and New York City Comments and OIG Evaluation ........................... . 30 4 Asbestos

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

NYC 9/11 Public Portal Document Indoor Air Samples Monitoring for worker exposure NOTES: WTC Indoor Air/Environment Cleaning Study Sampling Matrix Asbestos/ MMVF 1 Lead Dioxins PAHS 1 Silica, Calcite, Gypsum 1 Total Dust

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

• Asbestos pipe wrap insulation was present in void space. • Removal of ceiling tiles created dusty conditions. • Insect and rodent infestations created unpleasant work conditions.

Summary Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.

Occupational Exposure to Asbestos. 59 FR 40964, Aug. 10, 1994.

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

Many compounds, including combustion byproducts such as dioxins and PAH were identified, along with building materials such as asbestos and fibrous glass.

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

By mid-October, Lippy had taken some 60 samples of the air and dust, looking in particular for traces of asbestos and heavy metals such as lead.

Summary 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.

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

Asbestos, fiberglass, benzene, dioxins. Freon, PCBs and heavy metals were just a few of the toxicants residents were concerned about.

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

Asbestos Before deeming Seanples - Four air, seven micro vacuum, and three wipe samples were collected for asbestos. The air samples were analyzed for PCM and PCMe.

Summary Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.

Pollutants monitored at these sites included particulates, VOCs, dioxins, asbestos, aldehydes, and particle size fractions.

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 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 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 Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.

EPA Asbestos Hazard This standard was developed to be applied to asbestos in Emergency Response schools.

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 Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.

However, asbestos readings were elevated in both air and dust in both apartments.

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 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.