Asbestos air analysis results, H.S., April 2002

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 4/11/02 9:00:00 PM N.Y.C. Board of Education ATC Group#; 7384 28-11 Queens Plaza North Analysis Date: 4/11/02 Long Island City, NY 11101

Fax; (212) 475-4122 Phone: (212) 477-8941

Project; New Stuyvesant H. S. , 345 Chambers St., NY , NY Exterior and Interior of Building and Roof

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) O.Sft-S Sp (S/cc) (S/mm^) (S/cc) Notes

8 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7384 -8

9 1944.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7384 -9

10 1952.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 73S4 -10

I 1 0 None Detected 1920.00 0.0450 0 0 0.0045 <22.24 <0.0045 7384 -II

12 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 .7384 -13

13 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7384 -13

14 ■ 1928.00 . 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7384 -14

15 1920.00 0.0450 0 None Detected 0 0 0.0045 <22,24 <0.0045 7384 -15

16 1952.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 7384 -16

ROMAN PEYSy^OV MICHAEL A. GORYCKl, Ph.D.

Analyzed by; , Approved by:

Disclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory petsonneiunis lab is only responsible for data reported in structures/mml This report may not be reproduced, except in full, without written approval by ATC Associates Inc, This report may not be used to claim product endorsement by NVLAP or any other agency of the U.S. Government. This reports relates only to the samples reported above. Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited lorNVLAP PIMO-EM #101187-0, NY State ELAP #10879

Pape 2 iif.1

CONFIDENTIAL, CITY_21MC100_003459692 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

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