NYC-WTC_000220486

NYC 9/11 Public Portal Document

/, Minority Business Enterprise

TESWELL LABORATORIES,IMC. 47 Hudson Street, Ossining, New York 10562 Total Commitment to Quality Tel: (9141-762-9000 • 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 & '^ccieditations

Apartment #: lOF Result: 27.55 Structures per mm'^2 ANSbRAB

ISC 9001 CERTinnD Date Collected: 12/4/01 Date of Analysis: 12/6/01

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

NVlAp According to the US EPA [40 CFR 763, Appendix A to Subpart E - NVLAP LAB CODE 200083-9 - 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 Ml structures per square millimeter for an extended period of time. wl w WW AASHTO pip 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

Deborah McCarl-Laboratory Director

Teslwei! Labomtories. Inc. OP!tm<n3. Ny IS sccrnddfcrf by the Ame'‘ican Induslu-nl Hyyiene Association (AIHA) in the indLStrifil hvtiicn« pre^ram CERT. n6.‘100147

CITY_21MC100_002917971

NYC-WTC_000220486