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← Document results/DEP Box 03/2002 E-Mail Sent M. Gilsenan
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Review of WTC monitoring and cleaning scopes of work, Aug

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DEP requests review of attached Scope of Work documents for mold remediation and air monitoring contracts.

NYC-WTC_000139232–000139256

Folder label: “2002 E-Mail Sent M. Gilsenan

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NYC 9/11 Public Portal Document

30 minutes shall be provided. When ducting to the outside is not possible, a second negative pressure ventilation unit compatible with the primary unit may be connected in series.

10. All WTC debris shall be misted and double-bagged. Accumulation ofwater is prohibited. Water misting shall be sufficient to wet the material without water accumulations.

11. After the removal ofdebris, all surfaces will be cleaned in accordance with the procedures specified in Scope A. After all surfaces have been cleaned, a second cleaning shall be performed. This results in two full cleanings ofall surfaces, with the following exception. Carpets and fabric covered furniture cleaned with hot water extraction cleaners shall be cleaned only once. Surfaces include but are not limited to walls, floors, ceilings, ledges, trims, appliances, equipment and furnishings.

12. EPA, in consultation with the owner, may identify certain furnishings (e.g. carpets and fabric covered ftimiture) for disposal rather than cleaning. Disposal ofresidents’ personal property shall not occur without prior written authorization by EPA and the owner. Disposal ofall wastes generated during the cleaning shall be the responsibility ofthe contractor. All waste generated shall be treated as asbestos-containing material (ACM). Transportation and disposal ofgenerated waste shall be in compliance with all applicable rules and regulations.

13. A Cleaning Checklist (to be developed by EPA) will be completed by the cleaning contractor as tasks are completed to document the progress of the cleaning.

14. The cleaning contractor shall notify the monitoring contiactor immediately upon completion ofthe cleaning. The Monitoring Contractor will conduct a thorough visual inspection to verify the absence ofvisible dust accumulations. Ifdust is observed the cleaning contractor will reclean as necessary at no additional cost.

15. Air sampling shall be performed by the Air Sampling Technician after the area is fi-ee of dust accumulations as determined by the Monitoring Contractor..

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

17. 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.

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

19. Ifmold, suspected ACM or peeling, flaking or chalking paint is observed, the cleaning contractor

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NYC-WTC_000139253

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NYC-WTC_000139253Source: NYC Law Department, mirrored locally

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