NYC-WTC_000209027

NYC 9/11 Public Portal Document

KAM CONSULTANTS 35-40 36thStfeet

liana Long Island Cily NewYork, 11106 Tel: 718 729-1997 Fax: 718 729-1876 ANALYSIS OPORT ASBESTOS IN AIR Transmission Electron Microscopy

CLIENT: Department of Design and Construction - 30-30 Thomson Avenue, Long Island City, NV 11101 PROJECT ADDRESS: Stuyvesant H.S,, 345 Chambers St, NY, NY 10282 Pier #25

Lab ID# Client Sample Location Volume Grid Filter Analytical Asbestos Asbestos Structures Detected Structure Density Structure Sample (liters) Openings Area Sensitivity Typefs) (microns) (struc/mra^) Concentration ID# Examined (mm^) (struct/cc air) Total (struc/cc) O.5-5.O >5.0 Total Total TOI1214a-01 1 Outside North Entrance of School - W Side 1440 6 385 0.0045 ND 0 0 0 <16.67 < 0.0045

T011214a-02 2 Outside North Entrance of School - E Side 1440 6 385 0.0045 ND 0 0 0 <16.67 < 0.0045

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Area Analyzed: 0.0600 Date Received: 12/14/01 Grid Opening Area: 0,010 mm* Date Analyzed: 12/14/01 O H Date Collected: 12/13/01(16:00-24:00) Date of Report: 12/16/01 H K Analyst: Lab Manager: I to David Chen David Chen Analysis performed according to AHERA Method (EPA 40 CFR Part 763 - Appendix A).Samples will be stored for ninety (90) days and then returned to the client upon request. Sample volume is below recommended limit of the method AIHA 100269 NIST-NVLAP # : 102047 NYS-DOHELAP#: 11273 o o I o

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NYC-WTC_000209027