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Revised scopes of work for indoor dust cleaning program, August

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EPA transmits revised scopes of work documents for the indoor dust cleaning and monitoring program, including cleaning SOW #7 and monitoring SOW #7.

NYC-WTC_000139101–000139149

Folder label: “2003 E-Mails Sent M Gilsenan

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NYC 9/11 Public Portal Document

accumulations as determined by the Monitoring Contractor. The residence will be recleaned and retested if theclean-upcriteriaof0.0009fibers/cc(PCMEmeasuredbyTEM)isnotachicvcdor if determined necessary by EPA. This clean-up criterion may be reevaluated and revised, if determined necessary based on field conditions and analytical limitations.

20. After successful clearance air monitoring, isolation barriers shall be removed in conjunction with the use of a HEPA vacuum.

21. Any damage or loss that occurs during cleaning is the responsibility ofthe cleaning contractor. The cleaning contractor is not responsible for damage or loss caused by the acts of third parties not involved in the cleaning.

22. All work shall be in compliance with all other applicable requirements ofTitle 15, Chapter 1 ofthe RCNY and New York Industrial Code Rule 56.

23. Ifmold, suspected ACM or peeling, flaking or chalking paint is observed, the cleaning contractor shall immediately contact the Monitoring Contractor.

24. If in-place materials suspected to contain asbestos are observed the Cleaning Contractor shall imediately notify the Monitoring Contractor. The Monitoring Contractor will evaluate the condition ofthe material to identify damaged, deterioration, delamination, etc. The Cleaning Contractor shall wrap suspect ACM that is in good or excellent condition with 6-mil polyethylene sheeting and sealed airtight with duct tape or equivalent method prior to cleaning or air monitoring.

25. In the event that damaged, deteriorated, delaminated, etc. suspected ACM is observed, the Cleaning Contractor will notifythe Monitoring Contractor. Cleaning or air monitoring will not proceed in areas where such suspected ACM is observed until instructed otherwise.

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NYC-WTC_000139111

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NYC-WTC_000139111Source: NYC Law Department, mirrored locally

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