804 document results

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

The compounds of interest were asbestos, man-made vitreous fibers, lead, dioxin, polycyclic aromatic hydrocarbons, and crystalline silica.

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

Residence [EPA, 1989] EF (Exposure Frequency) 365 days/yr Days in Residence [EPA, 1989] lUR (Inhalation Unit Risk) 2.3 E -01 (asbestos

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

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

Summary Technical correspondence addressing asbestos air sampling methodology and pump flow rate specifications.

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 flee PCMe Primary clearance level

Summary Newspaper article discussing EPA testing conclusions versus resident health symptoms regarding air quality near ground zero.

See articles ou page BI. vironmental Protectivn Agency has con- centrated on known carcinogens and other dangerous materials, including asbestos, dioxin and lead.

Summary Scope of work document dated February 2003 detailing a mandatory pre-bid meeting and requirements for asbestos abatement contractor cleaning at 114 Liberty Street.

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level

Summary Draft outlining the direct assistance program for residents south of Canal Street, including cleaning and asbestos sampling services.

Air samples will be collected in accordance with the procedures specified in NIOSH 7400 Method and analyzed by phased contrast microscopy (PCM) followed by Asbestos

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level

Summary Volume 1 of the final documentation report for the WTC unoccupied building monitoring program at 125 Cedar Street.

specification issued by the New York City Department of Environmental Protection Action Environmental Remediation, Inc., a New York State Department of Labor (NYSDOL) licensed asbestos

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level

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

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level

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

uncertain, thereby rendering the data unusable. 3.9 Modifications to the Study Modified Aggressive Air Sampling Both modified-aggressive and aggressive air sampling were used in determining if asbestos

Summary Contract statement defining procedures for collecting settled and airborne dust samples to analyze contaminants in fourteen selected buildings.

implement indoor sampling to collect settled and airborne dust samples for analysis to determine concentrations of 7 Chemicals Of Potential Concern (COPC): dioxin, lead, PAHs, ceramic fibers, fibrous glass, asbestos

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air Oj 9 f/cc PCMe Primaiy clearance level

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air O.i555i9 f/cc PCMe Primaiy clearance level

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 flee PCMe Primary clearance level

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