NYC-WTC_000209007

NYC 9/11 Public Portal Document

KAM CONSULTANTS 35-40 36th Street Long Island City New York, 11106 Tel: 716 729-1997 Fax: 718 729-1876 ANALYSIS REPORT ASBESTOS IN AIR Transmission Electron Microscopy

CLIENT: Department ofDesign and Construction - 30-30 Thomson Avenue, Long Island City, NY 11101 PROJECT ADDRESS: Stuyvesant H.S., 345 Chambers St, NY, NY 10282

LabICW Client Sample Location Volume Grid Filter Analytical Asbestos Asbestos Structures Detected Structure Densit) Structure Sample (liters) Openings Area Sensitivity T^S) (microns) (struc/mm’) Total Concentration ID# Examined (mm^) (struct'cc air) (struc/cc) 0.5-5.0 >5.0 Total Total

TOI 11230-1 1 North Entrance of HS - East 1437 6 385 0.0045 ND 0 0 0 < 16.67 < 0.0045

TO11123C-2 2 North Entrance of HS - West 1437 6 385 0.0045 ND 0 0 0 < 16.67 < 0.0045

Area Analyzed: 0.0600 mm’ Date Received: 11/23/01 O Grid Opening Area: 0.010 mnf Date Analyzed: 11/23/01 H Date Collected: 11/22/01(00:00-08:00) Date of Report: 11/25/01 K I Analyst:________ Lab Manager: to Aiex Barengolts David Chen S Analysis performed according to AHERA Method (EPA 40 CI E Part 763 - Appendix A).Samples will be stored for ninety (90) days and then returned to the client upon request. O Sample volume is below recommended limit of the method o AIHA #: 100269 NLST-NVLAP#: 102047 NYS-DOH ELAP#: 11273 o I o o o

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NYC-WTC_000209007