NYC-WTC_000229670

NYC 9/11 Public Portal Document

KAMCON31LTANT3 35-403ethStreet z. Long Is a nd City New York, 11196 Tel: 718 729-1997 Fax: 718 729-1876 ANALYSIS REPORT ASBESTOS IN AIR Transmission Electron Microscopy

G CLIENT: Department of Design and Construction - 30-30 Thomson Avenue, Long Island City, NY 11101 G PROJECT ADDRESS: Stuyvesant H.S., 345 Chambers St, NY, NY 10282 Pier #25 D3 G R Lab ID# Client Sample Tocarion Volume Grid Filter Analytical Asbeslub Asbestos Structures Detected Structure Density Structure O Sample (liters) Openings Area Sensitivity Type(s) (microns) (struc/mm^) Concentration ID# Examined fmmb (strucEcc air) Total (struc/cc) H O 0.5-5.0 >5.0 Total Total

hj T02G421B-01 1 North Entrance of School - East 1806 5 385 0.0043 ND 0 0 0 <20.00 <0.0043 173 O T020421B-02 North Entrance of School - West 1806 5 385 0.0043 ND 0 0 0 <20.00 <00043 H R (D O O H 2 < W o O 2 rc H a [73 > IC ;i 23 2 O

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Area Analyzed: 0.0500 Date Received: 04/21/02 - 1 Grid Opening Area: 9.010 mm" Date Analyzed: 04/21/02 Date Collected: 04/20/02(7:00-17:00) Date of Report: 04/24/02

Analyst: T.ab Manage] I, Alex Barengolts David Chen O Analysis performed according to AHERA Method (EPA 4Ci CFX Part 763 - Appendix A).Samples will be stored for ninety (90) days and then returned to the client upon request. H Sample volume is below recommended limit of the method hC AfflA 100269 NIST-NVLAP # : 102047 NYS-DOH ELAP#: 11273 I NJ

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NYC-WTC_000229670