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Final Asbestos Report, 133-135 Greenwich Street, May 2005

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Final asbestos report conducted by Airtek Environmental Corp for the Greenwich Street Project LLC in May 2005.

NYC-WTC_000127657–000127693

Folder label: “BINDER - PHASE 1 DECONTAMINATION PLAN

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NYC 9/11 Public Portal Document

1.0 BACKGROUND: Airtek Environmental Corp. has conducted an asbestos survey for the presence of Asbestos- Containing Materials (ACM) at the following building(s): Address: 133-135 Greenwich Street AKA 25-29 Thames Street (2-Story)

Borough: Manhattan

The Investigator responsible for this project was: Moyna All: NYC Asbestos Investigator #97088 Expires: 03/12/06 NYS Asbestos Inspector #AH 89-01641 Expires: 03/06

Site Visit(s): 5/26/05 & 5/27/05 Report Date: 5/31/05 Revision Date: N/A

Field Procedures and Analysis Methodolo

Guidelines used for the inspection were established by the Environmental Protection Agency (EPA) in the Guidance for Controlling Asbestos Containing Materials in Buildings, Office of Pesticides and Toxic Substances, DOC #560/5-85-024 and 40 CFR Part 763, Asbestos Hazard Emergency Response Act (AHERA).

Field information was organized as per the AHERA concept of Homogeneous Area (HA). A HA is defined as a suspect material of similar age, appearance, function and texture. Each material was grouped together as a specific HA, sampled and then assessed for condition.

• Bulk samples of suspect ACM were analyzed by Polarized Light Microscopy (PLM) with dispersion staining, as described in 40 CFR Part 763 and the National Emissions Standard for Hazardous Air Pollutants (NESHAPS).

The New York State Department of Health has recently revised the PLM Stratified Point Counting Method. The new method, "Polarized Light Microscopy Methods for Identifying and Quantitating Asbestos in Bulk Samples" can be found as item 198.1 in the ELAP Certification manual.

The State of New York ELAP has determined that analysis of Non-friable, Organically Bound Materials (NOB) are not reliably performed by PLM. Therefore, if PLM analysis of a NOB yields a negative result, it must be further confirmed by Transmission Electron Microscopy (TEM).

All samples were initially analyzed by PLM. Samples which produced a negative PLM result and which are classified as a NOB were then re-analyzed utilizing the TEM methodology.

2.0 SCOPE OF WORK: The following areas which may be affected by the proposed demolition were inspected for ACM: 1. Interior & exterior of the building The inspection was characterized by a close visual inspection of all accessible areas. Suspect materials were sampled and inventoried for quantity, condition and friability. Materials • examined included: 1. Ceiling Tiles 2. Floor Coverings 3. Sheetrock & Joint Compound 4. Pipe Insulation

NYC-WTC 000127659

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NYC-WTC_000127659Source: NYC Law Department, mirrored locally

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