997 document results

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

It is probable that silica exerts additive, if not synergistic carcinogenic effects by similar biological mechanisms in the lung with asbestos.

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 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

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 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.

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

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0; 9 fi'cc PCMe Primary clearance level

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air OjEtc9 f/cc PCMe Primary clearance level

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

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air Oj ^fi'ccPCMe Primary clearance level

The clearance criteria are as follows [SHOULD ALSO STATE HOW MANY SAMPLES]: Parameter Clearance Level Note Asbestos in air Oj