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Final cleaning and monitoring scopes of work for WTC indoor

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EPA delivers final scopes of work for WTC indoor dust cleaning and monitoring program to DEP.

NYC-WTC_000138805–000138828

Folder label: “E-Mails Hotline M. Gilsenan

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NYC 9/11 Public Portal Document

The Project Monitor shall record all post-cleaning information 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 information 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 fonns, 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 if detemrined necessary by EPA. This clean-up criterion may be reevaluated and revised, if determined necessary based on field conditions and analytical limitations.

17. The Project Monitor will conduct a post-cleaning inspection ofthe residence with the r^ident at the completion ofthe sampling. The resident should inspect the residence and identify any damage at this time and sign-offon the Proj ect Completion F orm. 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 I'ormat agreed upon and within two days of request. Final air sampling shall be performed with 24 houits of final visual inspection.

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

Deliverables

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

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NYC-WTC_000138818

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NYC-WTC_000138818Source: NYC Law Department, mirrored locally

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