5 2 WILLIAM STREET Bl. 40Lot: 16/1001006 52 WILLIAM STREET 1001006, 40/16

NYC 9/11 Public Portal Document

utr tub Fax:212-361-1724 Rug 9 2002 03:58 P.09

Exhibit A New York City Department of Environmental Protection Bureau of Environmental Compliance

Asbestos Control Program

Building Exterior Clean-up Scone of Word All work performed shall be in compliance ' th all applicable, relevant, and appropriate regulations, including but not limited to those of the United States Environmental Protection Agency (USEPA), the United States Department of Labor Occupational Safety and Health York State Department of Labor (NYS DOL), the New York State Administration (OSHA), the New Department of Environmental Conservation (NYS DEC), the New York State Historic Preservation Office (SHPO), the New York City Department of Sanitation (DOS), the New York City Department of Health (DOH), the New York City Landmarks Preservation Commission (NYC LPC), and the New York City Protection (DEP). Department of Environmental

Background The DEP with assistance from representatives of the NYS DOL and US EPA performed follow-up site visits at buildings in the vicinity of the World Trade Center. The visual assessments disclosed the presence of various amounts of debris with various dispersal patterns at the building exteriors. The majority of buildings bad isolated areas of debris specifically at the perimeter of the roofs, at the base of pipet walls, and in gutters. Debris was also visible at horizontal surfaces on some of the facades. For some buildings, building facades facing the street were building cleaned.while the facades at the rear remained dirty.

The observed debris was characteristic of the debris from the impact of appears to have reformed into a dense mass (caked). During the September 11, 2001. The debris DEP follow-up visits, samples of the debris were collected from various roofs. The uneven dispersal identified sample collection. Samples collected from various buildings indicated above was also evident in the asbestos-containing material (ACM). Based on these results and the that some of the debris was most stringent assessment and evaluation, this material may be ACM and shall be cleaned by NYS DOL licensed and NYSDOL certified workers. contractors with DEP

Pux. A NYS DOL licensed asbestos contractor with DEP and NYSDOL certified workers shall perform the clean-up of building roofs, setbacks, and/or building facades within the vicinity of the WTC. The scope of work for the clean-up activities is attached. The clean-up activities shall consist of collection of debris and wet cleaningfHEPA vacuuming until the surfaces are clean of visible debris. Contract Term and SoecificatLons The contract shall be in force for 120 consecutive calendar Services shall be directed by the DEP. Contractors shall be days from the DEP commencement date. prepared to contract award. The DEP expects contractors to provide four to five mobilize within 72 hours of the crews with a minimum of five handlers per day at each of the areas. Multiple building roofs shall be cleaned simultaneously. Work shall not be performed at any building found to be structurally unsound. Page 1 05/03/02

NYC-WTC-000110182