Asbestos fiber analysis report, PS 234M, Feb 2002

NYC 9/11 Public Portal Document

.Aitu; Mr.

v.Y.L'. Byurd ol' tduca 5-1 i Queens Plaza Nt Anai'.’iis Daie; Lung island C if' N'.-

Fax: (212)4/5-4122 . Phone: (212) 477-8941

Project; NYC-BOE PS 234M Project#: 14584-1823 292 Greenwich St., New York. NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AH'ERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sample Coliinie Analyzed Asb Type(s) O.Sii-S 5fi (S/cc) (S/ccI Soles

(,iy i 920.00 0.0450 0 None Detected 0 0 0.0045 <0.0045 6829 -9

KI 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.(1045 6S29 -10

1i 1920,00 0.0450 0 None Detected 0 0 0.0045 22.24 <0.0045 6829 -1 I

12 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6829 -12

13 1920.00 - 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6829 -13

14 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6829 -14

15 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6829 -15

ROMAN PEYSAKHOV MICHAEL A. GORYCK), Ph.D.

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 Isc is only responsi for data reported in structures/mm' 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. (Duality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLM/TEM #1'01187-0, NY State ELAP #10879

CONFIDENTIAL, CITY_21MC100_003468156 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000181225