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Asbestos abatement technical specifications, 130 Cedar Street, July 2004

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Technical specifications document prepared for asbestos abatement work at the 130 Cedar Street site.

NYC-WTC_000125579–000125652

Folder label: “130 CEDAR STREET

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NYC 9/11 Public Portal Document

Asbestos Abatement Technical Specifications For 130 Cedar Street, New York, NY

• 2.4 Smoke tubes shall be used to test the effectiveness of the work, area barrier and the worker and equipment decontamination systems before abatement work begins with the negative pressure ventilation units in operation and at least once a day thereafter until the work is completed. Results and observations shall be documented in the project logbook.

2.5 At any time during the abatement activities after barriers have been erected, if visible material is observed outside of the work area or if damage occurs to barriers, work shall stop immediately, repairs made to barriers, and debris/residue cleaned up using appropriate HEPA vacuums or wet mopping procedures.

2.6 If samples collected outside of the work area during abatement activities indicate airborne fiber concentrations greater than 0.01 f/cc or pre-measured background levels (whichever is lower), work shall immediately stop for inspection and repair of barriers. Cleanup of surfaces outside of the work area, using HEPA vacuums or wet cleaning techniques, may be necessary.

b. Disposal shall be at an approved landfill, transfer at a licensed transfer station and a manifest form will be signed by the landfill owner documenting receipt and acceptance of the ACW.

Prepared by JLC Environmental Consultants, Inc. Project No. 04-3271 Page 36

NYC-WTC 000125614

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NYC-WTC_000125614Source: NYC Law Department, mirrored locally

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