30 document results

Summary Notes listing various vacuum types cleared for use in WTC dust cleanup operations.

overload and Asbestos overload aad Cleared for eveiything 5C Industrial HEPA vacuum MMVF (air) MMVF (air) (asbestos @ modified

Summary News release reassuring residents that monitoring shows no dangerous contaminants like asbestos or mercury in New York City drinking water.

Initial results show no detectable levels of asbestos.

Summary Technical excerpt describing micro vacuuming methods and ASTM standards for collecting samples from carpets and surfaces.

Three co-located samples will Settled Dust Carpets, fabric furniture or Asbestos ASTM D 5755-95 ASTMD 5755

Summary Technical attachment specifying ASTM methods for collecting and analyzing asbestos and lead in settled dust from residential surfaces.

This was decided since pulverized silica would be particulate like and not fiber like as with asbestos and MMVF. NYC-WTC_000140461

Summary OCR-distorted text listing media types and analytical parameters for World Trade Center environmental monitoring.

This was decided since pulverized silica would be particulate like and not fiber like as with asbestos and MMVF.

Summary Report detailing over 6,200 air and dust samples analyzed for asbestos and other contaminants at the World Trade Center.

The air samples from inside the buildings showed no elevated levels of asbestos, however low levels of asbestos and fibrous glass were found in the settled dust in some of the residential units, common

Summary Report summarizing over 6200 air and dust samples analyzed for asbestos and other contaminants, along with data collection efforts by various agencies.

The air samples from inside the buildings showed no elevated levels of asbestos, however low levels of asbestos and fibrous glass were found in the settled dust in some of the residential units, common

Summary Table listing specific sampling parameters and quantities for various building surfaces in fourteen selected buildings.

ATTACHMENT 1 WTC Indoor Air Sampling Matrix Background Study Samples Numbers Shown are Per Unit Asbestos

Summary Minutes from the EPA Indoor Air Working Group meeting held on May 9, 2002, at 290 Broadway.

— The asbestos results revealed that the samples contain less than 1 % asbestos. Therefore, asbestos-certified contractors are not required.

Summary Criteria for distinguishing WTC dust from other contaminants and determining the need for cleaning or sampling.

procedures for asbestos decontamination (see section 5.0).

for asbestos decontamination (see section 5,0).

Summary Scope of work detailing evaluation procedures for HVAC systems to assess World Trade Center dust impact and cleaning recommendations.

procedures for asbestos decontamination (see section 5.0).

Summary Document detailing the methodology for identifying contaminants of concern and listing seven tentatively identified substances.

information on building collapses/fires - Review (qualitative toxicity/concentration screen) of available sampling data Status of COC List 1)7 contaminants tentatively identified: Asbestos

Summary Minutes from the EPA Indoor Air Working Group meeting held on May 9, 2002, at 290 Broadway.

• For porous surfaces, microvac samples will be collected for lead and asbestos analysis only.

Summary Attendance list for the April 18, 2002 EPA indoor air working group meeting at 290 Broadway.

DRAFT WTC Indoor Air/Environment Cleanup Pilot Study Sampling Matrix Silica, Asbestos

Summary Documentation describing the methodology for identifying contaminants of concern using historical data and qualitative toxicity screens.

concentration screen) of available sampling data CD 3 Status of COC List 1) 7 contaminants tentatively identified: Asbestos

Summary Itemized cost breakdown for hotline services, database setup, and web-hosting mechanisms supporting the World Trade Center indoor air program.

and 7 COPCs: dioxins, lead, PAHs, ceramic fibers, fibrous glass, asbestos

dust and 7 COPCs: dioxins, lead, PAHs, ceramic fibers, fibrous glass, asbestos

Summary Report from EPA Region 2 detailing joint efforts with FEMA and NYC for the World Trade Center residential dust cleanup program.

, lead, dioxins, PAHs, silica, calcite, gypsum, and fibrous glass in household dust and asbestos, lead, silica, calcite, gypsum, and fibrous glass in indoor air for New York City residential buildings.

Pre-, post- and during EPA $462,103 Support Team cleaning sampling to be Contractor performed for 7 COPCs: asbestos