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← Document results/DEP Box 53/156 WILLIAM STREET Block: 90 Lot: 20 BIN: 1001231 51-55 Beekman St., 73-85 Ann Street
Document / 17 pages

Facsimile cover sheet for chain of custody documents, February 2002

Machine-extracted title · confidence 85%

Fax cover sheet dated February 20, 2002, transmitting chain of custody records related to Pier 40 and West Street.

NYC-WTC_000131053–000131069

Folder label: “156 WILLIAM STREET Block: 90 Lot: 20 BIN: 1001231 51-55 Beekman St., 73-85 Ann Street

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NYC 9/11 Public Portal Document

02/20/2002 05:48 2129240844 CKPROPERTIES PAGE 08

Ms. Susan Donahue October 24,2001

Cautionary.Statement

Colden Corporation has experience in evaluating exposures in a wide range ofenviromrwnts. Typically, we have a well-characterized process where we know what chemicals are in use and how they are being used. This knowledge facilitates targeting ofsampling parameters and conducting,risk assessment. The list ofpotential products generated from combustion of building materials and furnishings can be very large and complex — literally thousands of chemicals can be.generated.

The composition ofthe.smoke from a single.fire is expected to be highly variable and to change based on many factors including: • Temperature. • Amourtt.of oxygen available. • Wind speed,and direction. • Distance from source. • Materials that are'being-consumed at a given time.

Many ofthe chemicals that can be generated during a fire are not well studied regarding their health effects. Additionally,the health.eilects ofthe combined exposure to many chemicals are even more.elusive. It is therefore difficult to assess the risk ofillness from smoke inhalation. In general, we recommend that exposure to combustion products be minimized to the extent practical.

NYC-WTC 000131060

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NYC-WTC_000131060Source: NYC Law Department, mirrored locally

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