NYC-WTC_000218292

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone:(212)353-8280 Fax: (212) 353-8306 wc Attn: Mr. Bernard Orlan Received: 3'4/02 S. i 5:00 PM N.Y.C. Board of Education ATC Group (f: 692S 28-11 Queens Plaza North Analysis Date: 3,4.02 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 Ashesias Area San Ashestas a Siriicliires Sensitivity Catiteiitrtiiiuii Sample I'aliime Analyzed Asb Typefs) 0.5p-5 ill (S/cc) (S/»im-) fS^cc) Sales

01 1920.00 0.0450 0 None Detected 0 0 0.0045 .24 <11.(1045 6928-1

02 1920 00 0.0450 0 None Detected 0 0 0.0045 2.24 <0.(1045 6928 -2

03 1920.00 0.0450 0 None Detected 0 0 0 0045 < 0 0045 6928 -3

04 1920.00 0.0450 0 None Detected 0 0 0.0045 <22 24 <0.0045 6928 -4

05 1920.00 0.0450 0 None Detected 0 0 0.0(14.5 < 22 24 <0 0045 692S -5

06 1920.00 0,0450 0 None Detected 0 1) 0,0045 <24 <0,0045 6928 -6

07 1920.00 0.0450 0 None Detected 0 0 0.0045 .24 <0.0045 6928-7

OS 1920.00 0.0450 0 None Detected 0 0 0.0045 2,24 <0.0045 6928-S

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D

Analyzed by; Approved by

Disclaimer: The laboratory is not responsible (or data reported in structcres/cc, which is dependen; on volume collected by non-laboratory personnel Tnis lab ,s onlv responsiDle for data reported m structures/mm'. This report may not be reproduced, except in lull, without written approval by ATC Associates inc. This repor. miv not be used lo 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 nnciuonc 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited lor NVLAP PLM/tEM #101187-0, NY State ELAP #10879

CITY_21MC100_000466246 NYC-WTC_000218292