997 document results

Summary OSHA transmits NYS DOL data report containing sample summaries and worker information for WTC.

Asbestos Over 45 personal samples have been collected so far with results ranging from not detectable to 0.116 fibers per cc by PCM analysis.

Summary Internal DEP coordination regarding comments on 114 Liberty procedures and preparation of a response.

Post cleaning air samples for fibrous glass and silica shall be collected concurrently with the asbestos clearance air sampling procedures specified herein.

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

Crystalline Silica (Quartz and Crlstoballte) http://www.atsdr.cdc.gov/asbestos/lowermanhattan/ResSamp_Sep2002_Text.html 07/18/2003 NYC-WTC_ 000146698

Summary Guidance for residents on routine cleaning procedures to remove dust and debris from homes in the lower Manhattan area.

primarily of common building materials, which include components of concrete, silica, calcite, gypsum, mica, metals, fibrous glass, (a type of man-made mineral fiber), and asbestos

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25 pg/ft^

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25 pg/ft

Parameter Clearance Level Nate Asbestos in air Oj ^fZccPCMe Primary clearance level Lead in settled dust <25

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

The selected Contaminants of Potential Concern (COPC) includes asbestos, lead, dioxins, polycyclic aromatic hydrocarbons (PAHs), fibrous glass and minerals

Summary Chain of custody documentation for cleanup and monitoring samples at 114 Liberty distributed among project team members.

Post cleaning air samples for fibrous glass and silica shall be collected concurrently with the asbestos clearance air sampling procedures specified herein.

Summary Permit document detailing the installation of a heavy-duty shed and facade repairs at 114 Liberty Street in May 2002.

Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level Lead in settled dust <25

Summary Document listing seven contractor companies authorized for asbestos removal and cleanup operations at the WTC site.

Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level Lead in settled dust <25 ft2

Summary Fragmented document page likely associated with World Trade Center environmental monitoring records from late 2001.

Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level Lead in settled dust <25

Summary Internal communication confirming receipt of Department of Health mold assessment report for 125 Cedar.

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25 pg/

Summary Document tracking the chain of custody for environmental samples collected at 125 Cedar Street on August 21, 2002.

Parameter Clearance Level Note Asbestos in air 0.0009 flee PCMe Primary clearance level Lead in settled dust <25 pg/tf

Summary Document tracking the chain of custody for environmental samples collected at 114 Liberty Street on August 22, 2002.

Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level Lead in settled dust <25 pg

Summary Instructions and sections for collecting sample location data from a specific building interior.

Indoor air sampling for asbestos will be conducted and analyzed using NIOSH methods 7400 and 7402. Respirable crystalline silica will be sampled and analyzed using NIOSH method 7500.

Summary Document outlining scope of work for asbestos abatement contractor and environmental monitoring at 125 Cedar Street.

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25 pg/

The TEM and SEM results indicated that neither asbestos nor synthetic vitreous fibers (e.g., fiberglass) contributed to the elevated total fiber counts.

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25 pg/tf

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25 pg/tf