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WTC Dust Cleaning Scope of Work Draft, Aug 2002

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Draft scope of work document detailing compliance requirements and procedures for residential cleaning and air sampling south of Canal Street.

NYC-WTC_000140537–000140550

Folder label: “SCOPES OF WORK IN DOOR AIR & CLEANING

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NYC 9/11 Public Portal Document

The Proj ect Monitor shall record all post-cleaning infonnation in the EPA Indoor Air database or an agreed upon electronic format. This information shall include, but is not limited to sampling technique (aggressive or modified aggressive), visually cleaned (Y/N), damage claim (Y/N), and post cleaning status (pass/fail). Dates and times shall be associated with all activities including start and finish date.

Additional infonnation including but not limited to, absence ofdust/debris, equipment used (leaf blower, fan etc.), size of space, start and completion dates for the cleaning, sample media, flow media type, flow rates (start/final, flow rate (average), time (start/finish), total elapsed time (min), calculated sample volume (L), pump fault, weather, units, QC samples (lot blank), sampling dates, sample IDs, complete chain-of-custody forms, EPA Project Tracking Numbers and laboratory address shall be entered into an agreed upon electronic format or website approved by EPA within 24 hours ofactivity. Dates and times shall be associated with all activities including start and finish date.

16. The residence will be recleaned and retested if the clean-up criteria of0.0009 fibers/cc(PCME measured by TEM) is not achieved or ifdetermined necessary by EPA. This clean-up criterion may be reevaluated and revised, ifdetermined necessary based on field conditions and analytical limitations.

17. The Project Monitor will conduct a post-cleaning inspection ofthe residence with the resident at the completion ofthe sampling. The resident should inspect the residence and identify any damage at this time and sign-offon the Project Completion Form. Any damage or loss to a residence or its contents shall be documented on this form.

Deliverables

The Project Monitor shall submit upon request to the EPA copies of the field notebook as requested via fax or alternative format agreed upon and within two days of request. Final air sampling shall be performed with 24 hours of final visual inspection.

18. The Project Monitor will complete a daily report which documents site observations, cleaning starts, continuations, completions, air sampling, recleaning and any delays or difficulties encountered.

Deliverables

The Project Monitor shall submit upon request the completed Project Completion Form into the EPA Indoor Air web database or an agreed upon alternative electronic format or website approved by EPA within 24 hours of activity.

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NYC-WTC_000140549Source: NYC Law Department, mirrored locally

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