NYC 9/11 Public Portal Document
Mr Rajappan Radhakrlshnan - NYC DEP
133-135 Greenwich Street Variance Request
Airtek Project 05-0701- Revised September 29,2005
1. Bulkhead Tar —10 sf
2. Roof Flashing — 35 sf
These materials will be abated last In the decontamination sequence. For detailed
information on the asbestos survey conducted, please refer to the Airtek Asbestos
Survey Report dated May 31, 2005 (Attached).
Utilities - General:
Utility service is currently cut off to the building. All electricity and water required for the work will
be drawn from sources outside the building.
Project Monitoring:
Project Monitoring: Throughout the decontamination activities, project air monitoring will be
conducted in addition to the Perimeter Monitoring described above. Project Monitoring will be
conducted in strict accordance with RCNY Title 15 Chapter 1, Section 1-41 to 1-45 and
approved variance application. All sample analyses will be by TEM.
Clearance Testing: Aggressive area clearance testing for asbestos will be conducted for all work
areas by TEM.
Clearance Criteria:
Clearance testing for asbestos will be acceptable when all samples for a given work area meet
the 70 structures per square millimeter TEM standard. Additional clearance sampling shall be
performed as specified in the work plan.
Thank you for your time and consideration,
Sincerely,
Michael Porter
Michael Porter
Senior Project Manager
MP:mtf
NYC-WTC 000134146
OCR can misread numbers and units. Confirm readings against the page image before using them.