ATC Associates asbestos fiber analysis report, PS 89M, Mar 2002

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 3/3/02 6:00:00 PM N .Y.C. Board of Education ATC Group#: 6911 28-11 Queens Plaza North Analysis Date: 3/4/02 Long Island City, NY 11101 Fax: (212)475-4122 Phone: (212)477-8941 Project: PS 89M 201 Warren Street, New York, NY

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 i''olume Analyzed Asb Type(s) O.Sft-S 5/t (S/cc) (S/mm^) (S/cc) Notes

09 1968.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6911 -9

10 1976.00 0.0450 • 0 None Detected 0 0 0.0043 ■ <22.24 < 0.0043 6911 -10

II 1960.00 0.0450 0 None Detected 0 0 0.0044 <22.24 < 0.0044 6911 -11

1936.00 0,0450 0 None Detected 0 0 0.0044 <22.24 <0.0044..... 6911 -'l2 ::

13 1'960.00 0,0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6911 -13

14 1952.0.0 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6911 -14

'5 1936.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 6911-15 :,

- 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6941^16'- '

17 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 < 0.0044 6911-17

1912.00 0.0450 0 None Detected 0 0 0.0045 < 22.24 <0.0045 6911-18

MARK PEYSAKHOV 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 personnel. This lab is only responsible for data reported in structures/mmt 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. Qualify control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLMZTEM #101187-0, NY State ELAP #10879

CITY_21MC100_003108417

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