NYC-WTC_000218073

NYC 9/11 Public Portal Document

Attn: Mr Bernard Orlan Received: 2 28/02 .1’0 PM N.Y.C. Board of Education .ATC Group I'.i £172 28-11 Queens Plaza North Analysis Date: 3.1/02 Long Island City. NY 11101 Fax: (212) 475-4122 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 (AHERA) Analytical Asbestos Area Non Asbestos # Structures Sensitivity Concentration Sa/iipie I'oluine Analyzed Asb Type(s) O.Sfi-S 5ft (S/cc) (S/mni-) (S/cc) Noles

09 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 c 0.0045 6872 -9

lU 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 0.0045 6872 -10

II 1920.00 0.0450 0 None Detected 0 0 0.0045 <0.0045 6872 -I I

12 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6872 -12

1? 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6572 -15

14 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6872 -14

IS 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6872 -15

ROMAN PEYSAK^OV MICHAEL A. GORYCKJ, Ph.D

Analyzed by: H Approved by:

Disclaimer: The latwratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laooratory personnel This lab is omy responsible for data reported in structures/mm’. This report may not be reproduced, except in full, without written approval by ATC Associates Ino. This report may not be jsec 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 lor NVLAP PLWTEM #101187-0, NY State ELAP #10879

CITY_21MC100_000465843 NYC-WTC_000218073