NYC-WTC_000200160

NYC 9/11 Public Portal Document

EMSL Analytical, Inc. MM 307 West 38th Street, New York, NY 10018 EMSL Phone: 212-2SO4IOS1 Fax: 21229000S8 Email: [email protected]

Attn: Taylor Environmental Group, Inc. Customer ID: TAYL50 Floral Park Corporate Center Customer PO: 130 Jericho Tpke. Floral Park, NY 11001 Received: 08/20/02 7:37 PM to*

Fax: (516) 358-1780 Phone: 516-358-2955 EMSL Order: 030211524 Project: IVI477-15217-29881 I NYCSCAI Stuyvesant HS, NY, NY I EMSL Project ID: Various Analysis Date: 8/20/02

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos # Structures Area Non Asbestos Sensitivity Concentration Sample Volume Analyzed Asb Type(s) >fl.5p<5 > 5p (S/cc) (S/mm^) (S/cc) pfoies S-1 1275.00 0.0625 2 None Detected 0.0048 <16.00 <0.0048 030211524-0001

S-2 1360.00 0.0625 0 None Detected 0.0045 <16.00 <0.0045 030211524-0002

S-3 1360.00 0.0625 0 None Detected 0.0045 <16.00 <0.0045 030211524-0003

S-4 1318.00 0.0625 0 None Detected 0.0047 <16.00 <0.0047 030211524-0004

S-5 1360.00 0.0625 1 None Detected 0.0045 <16.00 <0.0045 030211524-0005

AF-6 1360.00 0.0625 3 None Detected 0.0045 <16.00 <0.0045 030211524-0006

AF-7 1615.00 0.0500 1 Chrysotile 2 0 0.0048 40 0.0095 030211524-0007

AF-8 1360.00 0.0625 0 None Detected 0.0045 <16.00 <0.0045 030211524-0003

AF-9 1318.00 0.0625 5 None Detected 0.0047 <16.00 <0.0047 030211524-0009

AF-10 1275.00 0.0625 0 Chrysotile 6 0 0.0048 96 0.0290 030211524-0010

AS-11 1360.00 0.0625 2 None Detected 0.0045 <16.00 <0.0045 030211524-0011

Analyst(s)

George Williams (12) Rey Cross (8) f .a aboratory Manager or other approved signatoi 1.

Disclaimers: The laboratory' is not responsible for data reported in structures/cc. which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data rPDOtea in structures/mm< This report may not be reproduced, except in full, without written approval by EMSL This report musi not be used to claim product endorsement by NVLA^ 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 I Accredited for NVLAPPLM/TEM #101048-9, NY State ELAP #11506

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NYC-WTC_000200162