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← Document results/DEP Box 02/21 WEST STREET Block: 15 Lot: 22
Document / 86 pages

Chain of custody form, 21 West Street, Nov 2001

Machine-extracted title · confidence 95%

Multi-page chain of custody document tracking the handling of samples collected from 21 West Street.

NYC-WTC_000094592–000094677

Folder label: “21 WEST STREET Block: 15 Lot: 22

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NYC 9/11 Public Portal Document

JLC ENVIRONMENTAL CONSULTANTS, INC

September 19, 2001

Rose Associates 200 Madison Avenue New York, NY 10016-3901

Attention: Mr. Neil Dugan

Reference: 21 West Street, New York, NY

Dear Mr. Dugan: Enclosed please find the,analytical results of the building materials inspection conducted at 21 West Street, New York, NY.

All samples were collected and analyzed by JLC Environmental Consultants, Inc. (JLC) at the request of Rose Associates.

According to procedure, samples were placed in double plastic bags at the site location and transported to the JLC laboratory. Upon arrival, the samples were individually prepared and identified as friable or non-friable and then analyzed and indexed by date of collection, receipt, and analysis, as well as location, color, total estimated percentage of asbestos, and type(s) and estimated percentage(s) of each asbestos fiber group and non-asbestos fiber groups.

The detailed protocol for friable bulk material sample preparation and analysis is discussed in detail in the five sections on the following page: Introduction, Methodology, Analytical Procedures, Polarized Light Microscopy, and Analytical Results. These sections should clarify most questions concerning the results and documentation for this project.

JLC Environmental Consultants, Inc. appreciates the opportunity to serve your organization. Please contact us with any further questions. We look forward to working with you again in the

Sincerely, JLC Environmental Consultants, Inc.

Al Wallner Laboratory Director cc: File

200 Park Ave South, Suite 1001 New York, New York 10003 • Tel: (212) 420-8119 • Fax: (212) 420-6092

NYC-WTC 000094675

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NYC-WTC_000094675Source: NYC Law Department, mirrored locally

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