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Addendum #2 on bulk dust sampling procedures for WTC project,

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Specific instructions for collecting bulk dust samples, labeling containers, and repairing insulation disturbed during sampling activities.

NYC-WTC_000140385–000140398

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

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NYC 9/11 Public Portal Document

iv. the presence of peeling, flaking or chalking paint (NYC DOH notification); V. the presence of potential asbestos-type insulation (e.g., fibrous materials); vi. residents with special needs or medical conditions (hat may be aggravated by exposure to airborne contaminant^^^^^^^^OTlOT''''''*"'''"'''"''*'''**''^^ vii. other circumstances that may require^^WS^^ranme procedures specified in the scopes of work for the cleaning and monitoring contracts. e. In consultation with EPA, the Project Monitor will make a determination of the appropriate Cleaning Contract Scope of Work (i.e. Scope A or B) to be implemented. This determination is to be made based on the descriptions included in the Cleaning Contract Scope of Work and best professional judgement. Deliverables

All deliverables shall be provided in 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. The Project Monitor shall record all pre-cleaning and pre-sampling inspection information i ii ihe EP A lndoor Air database or using an agreed upon electronic format. This information shal l incluci^' bunsTibyTn^^^ WTC. cIbbri»s3£cseM-<mT)uikHqg ejUefter (Y/N), type of HVAC system (central, individual or TOiiwjj'l VAC nnpacO'rYTf^occupWpl^e (Y/N), written access obtained (Y/N), space occupied (Y/N), dust present (low/high), mold present (Y/N), peeling /flaking/chalking paint present (Y/N), suspected ACM present (Y/N) residential use (commercial/residential), residents with special needs, cleaning method (Scope A or B). Dates and times shall be associated with all activities including start and finish date.

In the event that mold or flaking, peeling or chalking paint is observed is observed on building components (walls, support beams, ceiling tiles, HVAC systems) in areas where work has been requested, the Monitoring Contractor will notify EPA and fax a written request for assistance in evaluating potential health hazard to NYC DOH at 212-442-3378. Cleaning will not proceed in areas where mold or flaking, peeling or chalking paint is observed until potential hazards are evaluated and addressed as necessary.

Deliverables

The Project Monitor shall record if mold or flaking, peeling or chalking paint is present and notify the NYC DOH and 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.

9. In the event that suspected asbestos containing material (ACM) from sources other than the WTC is observed, the Monitoring Contractor will notify EPA and fax written notification to DEP at 718-595-4544 . Cleaning will not proceed in areas where such suspected ACM is observed until instructed otherwise.

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NYC-WTC_000140389

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NYC-WTC_000140389Source: NYC Law Department, mirrored locally

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NYC-WTC_000140281 · Box DEP Box 05

Draft contract scope defining regulations and procedures for asbestos cleanup and air sampling assistance programs in Lower Manhattan.

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