NYC-WTC_000220481

NYC 9/11 Public Portal Document

A Minority Business Enterprise

TESWELL" LABORATORIES, IMG. 47 Hudson Street, Ossining, New York 10562 Total Coinmitinent Io Quality Tel; (914)-762-9000 • Fax: (914)-762-9638 • testwelllabs.com

Offices in Albany, NY Queens, NY CERTIFICATE OF LABORATORY ANALYSIS FOR ASBESTOS Woodbridge, NJ CONTENT Miami, FL

Transmission Electron Microscopy Results (TEM) Certifications & Accreditations

Apartment #: 7K Result: <13.77 Structures per mm^2 T /a lAMSt-RAB

iso 9001 CERTIFIED Date Collected: 12/9/01 Date of Analysis: 12/11/01

Medium; Analytical Method; AHERA EPA 40 CFR Part 763

NVtAp According to the US EPA (40 CFR 763, Appendix A to Subpart E - NVLAP LAB CODE 200083-0 - Interim Transmission Electron Microscopy Analytical Methods - Mandatory and Nonmandatory ~ and Mandatory Section to Determine Completion of Response), the level of concern for asbestos is based on continuous exposure to more than 70

J I structures per square millimeter for an extended period of time. AASHTO nm This report is the confidential property of our clients. This certificate of analysis/report shall not be used by the client to claim product endorsement by National Voluntary Laboratory Approval Program (NVLAP) or any agency of the United States Government. This certificate of analysis/report shall not be reproduced in full, without the written approval of Testwell Laboratories, Inc. Copyright © 2001 Testwell Laboratories. Inc. NYS DOH ELAP #10871, 11142& 11651

Defcorah McCarl-Laboratory Director

Testvt'eII Laboratories. Inc. Ossining. NY is accredited by the American Industrial Hygiene Association (AIHA) in the inchistnalhygiene program CERT. N0.'l00147

CITY_21MC100_002917930

NYC-WTC_000220481