623 document results

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

* No less than 5 grams and up to 20 grams of dust are required to analyze for asbestos, lead, silica, calcite, gypsum, and MMVF.

Summary Letter from EPA Region 2 summarizing the evaluation of analytical data for asbestos, PAHs, and other contaminants at 125 Cedar Street.

Thus, for asbestos, the data we reviewed indicates that asbestos is not a hazard at 125 Cedar Street.

Summary Memo advising against a camera crew at 125 Cedar Street due to tenant issues and recommending print media.

Thus, tbr,asbestos, the data- 1 we reviewed indicates that asbestos is not a hazard at 125 Cedai' Street.

Summary Cover sheet for a fax transmission sent from the US EPA Region 2 office in August 2002.

Environment Pre-Cleanup Pilot Study Sampling Matrix Silica, Asbestos

Summary Laboratory analysis results for asbestos content in beige bulk samples collected from a pizzeria on one of the building floors.

Therefore, this space within the building is not considered to have met the primary clearance value for asbestos.

Summary Laboratory analysis results for asbestos content in beige bulk samples collected from a pizzeria on one of the building floors.

Therefore, this space within the building is not considered to have met the primary clearance value for asbestos.

Summary Document with WTC cleanup analytical data and minimum concentration information for 114 [address], transmitted to FEMA.

Included in the letter was reaffirmation of DEP’s Asbestos Control Program’s staff observations whereby pre­ existing building materials were identified as having suspect asbestos-containing material

Summary Letter from EPA official to a Congressional representative criticizing the adequacy of the 114 Liberty Street cleanup.

found by the residents at 114 Liberty St. represents a health risk, although of uncertain exact numerical magnitude, as it demonstrates that asbestos is above background levels.

Summary Correspondence criticizing the EPA and DEP regarding asbestos, silica levels, and safety clearance after cleaning at 114 Liberty Street.

foimd by the residents at 114 Liberty St. represents a health risk, although of uncertain exact numerical magnitude, as it demonstrates that asbestos is above backgroimd levels.

and mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study. 2) Air samples should be collected for asbestos, fibrous glass and silica.

Summary Forwarding EPA sampling recommendations for incorporation into scope of work for 125 Cedar and 114 Liberty buildings.

silica) and mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study. 2) Air samples should be collected for asbestos, fibrous glass and silica.

Summary Summary document outlining key dates from June to September 2002 regarding inspections, scope development, and contract bidding.

silica) and mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study. 2) Air samples should be collected for asbestos, fibrous glass and silica.

and mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study. 2) Air samples should be collected for asbestos, fibrous glass and silica.

Summary EPA technical recommendations and protocol for environmental sampling activities at 125 Cedar.

) and mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study. 2) Air samples should be collected for asbestos, fibrous glass and silica.

Summary EPA staff distributed a chain of custody document to multiple federal and city agencies on May 15, 2002.

Three collocated samples will Asbestos ASTMD 5755-95 ASTMD 5755

Summary EPA sends sampling recommendations and attached documents for 125 Cedar Street.

and mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study. 2) Air samples should be collected for asbestos, fibrous glass and silica.

Summary Proposal for sampling and assessing building interiors in the vicinity of the World Trade Center site.

Environment Post Cleanup Pilot Study Sampling Matrix Silica, Asbestos

Summary EPA staff distributed a chain of custody document to multiple federal and city agencies on May 15, 2002.

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

Summary EPA staff distributed a chain of custody document to multiple federal and city agencies on May 15, 2002.

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

Summary Cover sheet for a fax transmission sent from the US EPA Region 2 office in August 2002.

Asbestos/ Total # Wipe Samples MMVF Lead Dioxins