NYC-WTC_000218365

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax; (212) 353-8306

Attn: Mr. Bernard Orlan Received: 3/9/02 4:00:00 PM N.Y.C. Board of Education ATC Group 6999 28-11 Queens Plaza North Analysis Date: 3/9/02 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 (AHEK4) Analytical Asbestos Area l^on Asbestos # Structures Sensitivity Concentration Sample yolunte Analyzed Asb Type(s) O.Sfi-S 5fi (S/cc) (S/mm^) (S/cc) Notes

01 1920.00 0.0450 0 None Detected 0 0 0.0045 22.24 <0.0045 6999-1

02 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6999 -2-

03 1920.00 0.0450 0 None Detected 0 0 0,0045 <22.24 <0.0045 6999 -.1

04 1920.00 0.045.0 0 None Detected 0 0 0.0045 <22.24 <0.0045 6999 -4

05 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6999 -5

06 1920.00 00450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6999 -6

07 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6999 -7

08 1920.00 0.0450 0 .None Detected 0 0 0.0045 <22.24 <0.0045 6999 -8

ROMAN PEYSAKHOV MICHAEL A GORYCKI, Ph U

Analyzed by: Aporoved by

Disclaimer: The laboratory is not responsible lor data reported m structures/cc, which is dependent on volume collected by non-laboratory personnel This iao is only responsioie tor data repotted in structuresimmT 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 repo.ded above. Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request

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

CITY_21MC100_002878313

NYC-WTC_000218365