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Indoor dust cleaning program Scope of Work, August 2002

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EPA scope of work documents for World Trade Center indoor dust cleaning program monitoring and remediation procedures.

NYC-WTC_000139069–000139092

Folder label: “2003 E-Mails Sent M Gilsenan

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NYC 9/11 Public Portal Document

flaking, peeling or chalking lead based is observed and notify EPA. This information shall be provided via EPA Indoor Air web database or an agreed upon alternative electronic format or website approved by EPA within 24 hours of activity.

5. The Monitoring Contractor shall evaluate HVAC systems in residential buildings where cleaning will take place to determine if these systems have been impacted by dust or debris from the collapse of the World Trade Center and if these systems require cleaning. a. In cases where cleaning is requested for an individual residence, portions of the HVAC system dedicated to that residence will be evaluated. b. In cases where cleaning is requested for a whole building, the building’s HVAC system will be evaluated as a whole. c. HVAC assessments shall be conducted in accordance with the National Air Duct Cleaners Association (NADCA) General Specification for the Cleaning of Commercial Heating, Ventilating and Air Conditioning Systems and the NADCA Assessment, Cleaning and Restoration Standard (ACR 2002). d. The results of the whole building HVAC system evaluations shall be documented in a letter report. This report shall be provided to DEP and EPA within 2 business days of the completion of the evaluation. This report shall include the name and qualifications of inspector, date of inspection, building location, a description of the HVAC system, the basis for the determining whether or not the system was impacted by the collapse of the WTC and if the system requires cleaning. e. If a HVAC system requires cleaning, then the Monitoring Contractor shall prepare a scope of work for the cleaning the HVAC system or portion thereof. The scope of work shall be provided to DEP and EPA within 2 business days of the completion of the HVAC system evaluation. f. If the cleaning contractor is not a member of the NADCA they may hire a subcontractor for HVAC system evaluation and inspection. Deliverables

The Project Monitor shall record if the HVAC systems has been impacted by dust or debris from the collapse of the WTC, if the HVAC system has been evaluated and cleaned subsequent to September 11,2001 (ifyes, then when and by whom) and if the HVAC system requires cleaning. This information shall be provided via F2L or an agreed upon alternative electronic format or website approved by EPA within 24 hours of activity.

6. HVAC systems that have been impacted by dust or debris from the collapse of the World Trade Center will be cleaned. In the event that a HVAC system for an entire building requires cleaning, a separate, site specific contract will be awarded by DEP for this work. If only a portion of a HVAC system requires cleaning, then the cleaning contractor will conduct the cleaning utilizing specialized labor trained and experienced in duct cleaning. a. The monitoring contractor shall schedule and oversee the cleaning ofHVAC systems. b. The Monitoring Contractor shall inspect HVAC systems or portions thereof cleaned to verify cleanliness. If visible dust or other contaminants are evident through visual

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NYC-WTC_000139075

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NYC-WTC_000139075Source: NYC Law Department, mirrored locally

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