NYC-WTC_000232508

NYC 9/11 Public Portal Document

EMSL Analytical, Inc. 307 West 38th Street, New York, NY 10018 4 EIVISL Phone: 212-2S0-0051 Fax: 2122900058 Email: manhattanlabOemsl.com

Attn: Taylor Environmental Group, Inc. Customer ID: TAYL50 Floral Park Corporate Center Customer PO: 130 Jericho Tpke. Received: 08/25/02 2:00 PM Floral Park, NY 11001 Fax: (516) 358-1780 Phone: 516-358-2955 EMSL Order: 030211803 Project: M477-1521-7/29881 I STUYVESANT H.S./CHAMBERS EMSL Project ID; ST., NY/DURING Analysis Date: 8/25/02

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos # Structures Concentration Area Non Asbestos Sensitivity Sample Volume Analyzed Asb Type(s) > O.Sp <5 >5fi (S/cc) I'S/mrir) (S/cc) Notes 05 1573.00 0.0500 1 Chrysotile 2 1 0.0049 60 0.0147 030211803-0001

Analyst(s) Ghayath Bias (1) Laboratory Manager or other approved signatory

Disclaimers: The laboratory is not responsible (or data reported tn structurss/cc, which is dependent on volume collected by non-laocraiory personnel. This lab is only responsible tor data reported in structures/mm*. This report may not be reproduced, except in full, without written approval by EMSL. This report must not be used to claim product endorsement by NVLAP or any agency ol the U.S. Government. This report relates only to the samples reported above. Quality control data (including 95% confidence limits and laboratory and analysts' accuracy and precision) is available upon request. Acer dited for NVLAP PLf.VTEM #101048-9. NY State ElAP #11506

Tl >HERA-1 1

CITY_21MC100_010245552

NYC-WTC_000232508