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EPA review letter, 133-135 Greenwich Street

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US EPA Region 2 letter dated November 15, 2005, confirming completion of environmental review for abatement plans at 133-135 Greenwich Street.

NYC-WTC_000134132–000134414
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NYC 9/11 Public Portal Document

contain WTC dust, and other miscellaneous materials and/or deconstruction waste, and it should be sampled and further characterized for waste classification related to other identified contaminants, including the COPCs. A determination needs to be made about whether bagged accumulated waste must be handled as a hazardous waste in addition to being handled as an asbestos waste. Airtek should propose a detailed sampling scheme for the miscellaneous bagged accumulated waste and discuss the representability of the proposed sampling number in the sampling scheme.

The sampling procedure proposedfor deconstruction wastes (Section 6.2) will be applied to bagged wastes. Section has been edited.

41. Add the words "at a minimum" at the end of the last sentence of this section.

Added as noted.

Section 6.3.5. Page 13:

42. This section states that "no fuel storage is known to exist at the site." Airtek should clarify how heat was provided to the tenants of the commercial/retail spaces and the residential spaces and the fuel source(s) for the restaurants. If oil or propane tanks were used and are still within the buildings, the characterization, management, storage, transport, and disposal of these waste streams should be incorporated into the Waste Sampling and Management Plan.

Section edited.

Section 6.3.6, Page 13:

43. Based on previous discussions with NYSDEC on the issue of final disposal options for fire extinguishers, NYSDEC has stated that fire extinguishers would not be considered C&D debris. Therefore, strike-out the first sentence of this section.

Done.

44. Re-word the beginning of the second sentence to state, "In the case of both discharged and undischarged fire extinguishers, the manufacturer..."

Done.

45. Airtek should add the following language to this section: "Alternately, local fire department(s) may be contacted to determine if they would like to acquire the charged fire extinguishers in volunteer or community training exercises. If the above approaches prove impractical, fire extinguishers shall be depressurized in accordance with manufacture's recommendations and all regulatory requirements. Contained media shall be collect upon depressurization, characterized, and recycled or disposed, if and as

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NYC-WTC 000134361

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NYC-WTC_000134361Source: NYC Law Department, mirrored locally

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