NYC-WTC_000200160

NYC 9/11 Public Portal Document

EMSL Analytical, Inc. 307 West 38th Street, New York, NY 1C018 EMSL Phone: 212-2904)051 Fax: 2122900058 Email: manhattanlatxaemsl.cora

Attn: Taylor Environmental Group, Inc. Customer ID: TAYL50 Floral Park Corporate Center Customer PO. 130 Jericho Tpke. Received: 08/21/02 7:30 AM Floral Park, NY 11001 Fax: (515) 358-1780 Phone: 516-358-2955 EMSL Order: 03021153S Project: M477-15217-29881 1 NYC SCAISTUYVESANT H.S. NY, EMSL Project ID.' NY / VARIOUS Analysis Date; 8/21/2002

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos # Structures Area Non Asbestos Sensilivily Concentration Sample V'olume Analyzed Asb Type(s) >0.5fi<S > Sfi (S/cc) tS'mm-l (S/cc) 1275.00 0.0625 0 Chrysotile 3 0 0.0048 48 0.0145 030211536-0001

Analyst(s) Bob Georqans (1) Laboratory Manager or other approved signatory

Disclaimers The laboratory is not responsible for cata reporteO in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reoorled in structures/nim< 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 of the U.S, Government. This repon relates only to the samples reported above. Quality control data (including 95% confidence limits and laboratory and analysts' accuracy and precsion) is available upon request. Accredited for NVLAP PLMZTEM #101048-9, NY State FLAP #11506

1 TEI IERA-1

CITY_21MC100_011274094

NYC-WTC_000200164