HVAC system cleaning and assessment requirements for building air quality,

NYC 9/11 Public Portal Document

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dedicated to that unit will be evaluated. Why is there a distinction being made between those cases where cleaning is requested for an individual residential unit and for a whole building. When only a fraction ofthe building’s HVAC system is cleaned, it would seem likely that tihe uncleaned (contaminated) section of the building’s HVAC system would quickly contamin^e the other previously cleaned section. (If this were not the case, it implies that contaminants once in the HVAC system do not migrate, hence there is no problem with any part of the system and we shouldn’t bother to clean it) No residential or common space shall be cleaned until the HVAC system has been evaluated and cleaned as necessary.

The Monitoring contractor shall inspect HVAC syst cleanliness. J port! ■ cleaned to veri;

HVAC assessments, cleaning, and cleanliness ini tion^Bll be conducted in ac^rdance with the National Air Duct Cleaners Associatiot ADC A) General Specification for the Cleaning of Commercial Heating, Ventilating and Conditioning Systems and the NADCA Assessment, Cleaning and Restoration Standard (ACR 2002). Qualified personnel shall perform the HVAC evaluation and cleanliness fOpectibns. At a minimum such personnel shall have an understanding of HVAC sysb ;ign and experience in utilizing accepted indoor environmental sampling practices, cu idustry HA AC cleaning procedures, and applicable industry standards.

Deliverables

The Project Monitor shall review all crables ior to submission to EPA. The review shall assure that each delfyerable isj ate iind mplete, technically sound, and free of clerical error. The contractor should document findings and report the results of the initial evaluation and the evaluation after the clean up.

The Pm :t J nitor shall recc>rd if the HVAC systems have been evaluated and cleaned subseqw eptember 11, 200 f; If yes, when and by whom. This information shall be proviito 2L”or an agreed upon alternative electronic format or website approved by EPA Wit lin. lours of activity.

In the event pR mold is observed in a residence during the pre-cleaning inspection, the a N-lonitoring Contractor will contact the NYCDOH and EPA. Is any amount of mold iufficTent to trigger this contact? Will clean up procede irregardless of finding mold? (And ait Will NYCDOH and EPA do about it?)

Deliverables

The Project Monitor shall record if mold is present and notify the NYCDOH and EPA. This information shall be provided via EPA Indoor Air web database or an agreed upon alternative

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