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Revised WTC cleaning and monitoring scopes of work, June 2002

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Distribution of revised scopes of work documents for WTC indoor cleaning and monitoring contracts.

NYC-WTC_000138626–000138658

Folder label: “E-Mails Hotline M. Gilsenan

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NYC 9/11 Public Portal Document

provided); residents with special needs; potential asbestos-type insulation (e.g., fibrous materials); or other circumstances that may require deviation from the procedures specified in Scope ofWork. In consultation with EPA, the Project Monitor will make a determination of the appropriate Cleaning Contract Scope ofWork (i.e. Scope A or B) to be implemented. This determination is to be made based the descriptions included in the Cleaning Contract Scope of Work and best professional judgement.

Deliverables

The Proj ect Monitor shall review all deliverables prior to submission to EPA. The review shall assure that each deliverable is accurate and complete, technically sound, and free ofclerical errors.

Data to be input shall include but is not limited to, start arid completion dates for cleaning the sample media, flow media type, flowrates (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 identification numbers, sampling technique (aggressive, or modified aggressive) residential use (commercial/residential), dust (low/high), mold, residents with special needs, clean-up method (Scope A or B), written access authorizations, and identification ofareas to be cleaned.

The Project Monitor shall record all pre-cleaning and pre-inspection information the EPA Indoor Air database or an agreed upon electronic format This information shall include but, not limited to actual sampling date and time, exterior evaluation (pass/fail), type of HVAC system (central, individual or none), HVAC impacted (Y/N), occupant present (Y/N), written access authorizations (Y/N), EPA approval (Y/N), space occupied (Y/N), mold present (Y/N)- Dates and times shall be associated with all activities including start and finish date.

All deliverables shall be ih the EPA Indoor Air web database via F2L or an agreed upon alternative electronic format or website approved by EPA within 24 hours of activity.

3. The Monitoring contractor shall evaluate all HVAC systems in all residential buildings where cleaning will take place to determine ifthese systems have been impacted by dust or debris from the collapse ofthe World Trade Center and ifthese systems require cleaning. No residential or common space shall be cleaned until the HVAC system has been evaluated and cleaned as necessary.

Deliverables

The Project Monitor shall review all deliverables prior to submission to EPA. The review shall assure that each deliverable is accurate and complete, technically sound, and free ofclerical errors.

The Project Monitor shall record ifthe HVAC systems have been evaluated and cleaned, impact fromdust/debris. Ifyes, when and by whom? This information shall be provided viaF2Loran

NYC-WTC_000138636

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NYC-WTC_000138636Source: NYC Law Department, mirrored locally

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