NYC-WTC_000200143

NYC 9/11 Public Portal Document

EMSL Analytical, inc. 307 West 38th Street, New York, NV 10018 EMSL. Phone; 212-290-0051 Fax; 2122900058 Email: rnanhattanlab/BemsLcom

Attn: Taylor Environmental Group, Inc. Customer ID: TAYL50 Floral Park Corporate Center Customer PO: 130 Jericho Tpke. Received: 08/29/02 4:30 PM Floral Park, NY 11001 Fax: (516) 358-1780 Phone: 516-358-2955 EMSL Order 030212081 Project: M477-15217-29B81 / NYCSCA I Stuyvesant HS I EMSL Project ID: Chambers St, NY, NY / Library Analysis Date; 8/29/02

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos # Structures Area [Son Asbestos Sensitivity Concentration Sample Volume Analyzed Asb Typefs) >0.5p <5 > 5/1 (S/cc) (S/mm’) (S/cc) p/otes LT-01 1575.00 0.0500 2 None Detected 0.0049 <20.00 <0.0049 030212081-0001

LT-02 1575.00 0.0500 0 None Detected 0.0049 <20.00 <0.0049 030212081-0002

LT-03 1488.00 0.0625 0 None Detected 0.0041 <16.00 <0.0041 030212081-0003

LT-04 1575.00 0.0500 0 None Detected 0.0049 <20.00 <0.0049 030212081-0004

LT-05 1488.00 0.0625 0 None Detected 0.0041 <16.00 <0.0041 030212081-0005

Analyst(s)

Roman Peysakhov (5) Laboratory Manager or other approved signatory

Disclaimers: The laboratory is not responsible for data reported in structurestcc, which is dependant on volume eoilaeted by non-taboratory personnel. This lab is only responsible tor data reponed in strvctures/mm’. This report may not be reproduced, exceol in full, without written approval by EMSL. This report must not ba used to claim product endorsement by NVLAP or any agency of 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. Accre|liled for NVLAP PLM/TEM #101046-9, NT State ELAP #11506

.HERA-1 1

J.

CITY_21MC100_011274017

NYC-WTC_000200144