NYC 9/11 Public Portal Document
1. What sampling has been performed for asbestos at 105 Duane Street?
Replace bullet 4 with the following:
ATC Associates, on behalf of the building owner and under the direction of the
DEP, performed air sampling at five locations within the common hallway of the
tenth floor. One of these samples was placed directly in front of the supply air
entry point (air diffuser). Another set of five samples was collected from the
second floor air handling room which services the common areas.
2. What are the sampling results?
In bullet 4, replace on behalf of DEP with on behalf of the building owner.
4. Weren't the levels found on the supply air diffuser very high?
The analytical results of vacuum samples do not have an approved standard or
guideline for evaluation. The assessment of the ventilation system is ongoing.
Delete: However, the presence of asbestos in the ventilation system... its proper and
safe cleaning.
5. How should the ventilation system be cleaned?
The building owner has forwarded a plan for the clean up of the ventilation system
to the DEP. The DEP has reviewed the plan and will inspect the site during the
clean up. The assessment of the ventilation system will continue throughout the
cleaning process.
NYC-WTC 000125849
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