NYC-WTC_000212566

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Drlan Received: 5/16/02 9:00:00 PM N.Y.C. Board of Education ATC Group#: 7770 28-11 Queens Plaza North Analysis Date: 5/16/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212)477-8941 Project: NYC-BOE PS 234M Project#: 14584-1823

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area l>/oit Asbestos # Structures Sensitivity Concentration Su iiple Volume Analyzed Asb Type(s) a. 511-5 Sfi (S/cc) (S/mm^) (S/cc) !>/otes

08 I 944,00 0.0450 0 None Detecled 0 0 0.0044 <22.24 <0.0044 777,) -S

09 1904.00 0.0450 0 None Defected 0 0 0.0045 <22.24 <0.0045 777 ) -9

0 1912.00 0.0450 0 None Detecled 0 0 0.0045 <22.24 <0.0045 -10

1 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 77", -II

12 1912.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 ’■ 12

13 1920.00 0.0-k50 0 None Detected 0 0 0.0045 <22.24 <0.0045 7770 -15

14 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 '7'0 .12

15 1928,00 0 0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 -n

MICHAEL A. GORYCKI, Ph.D. .MARK PEYSAKHOV .Analyzed by: iproved by:

Oisclaimer: The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This 136 is only responsible •or data reported in structuresimm/ 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 NVLAF 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 ano laboratory and analysis' accuracy and precision) is available upon request.

.Accredited for NVLAP PLMT2M #101187-0, NY State ELAP #1087°

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CITY_21MC100_002867183

NYC-WTC_000212567