NYC-WTC_000220485

NYC 9/11 Public Portal Document

/I Minority Business Enterprise

TESTWELr LABORATORIES, ING 47 Hudson Street, Ossining, New York 10562 Total Commitment to Qualify 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) Cej:lific_atiO!ns& Acciedifations

Apartment #: 9G Result: <13.77 Structures per mm^2 AMShRiB

Date Collected: 12/8/01 Date of Analysis: 12/11/01 ISO 9001 CRRTtriFD

Medium: Air Analytical Method: AHERA ERA 40 CFR Part 763

NVUp 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 I structures per square millimeter for an extended period of time. AASHTO P.1 ft 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

/ if7rf 7 Deborah McCarl-Laboratory Director

Testwp'l Laboratories. Inc. Ossininq, NY ,5 ficcred'tfid by the Ame'icfln Indtistnal Hygiene Assodafion (AIHA) in the tndiisinal hwjienp proa'am CERT. NO. 100147

CITY_21MC100_002917959

NYC-WTC_000220485