NYC-WTC_000204622

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212) 353-8306 TC Attji: Mr. Bernard Orlan Received: 3/10/02 6:00:00 PM N. Y.C. Board of Education ATC Group#: 7016 ■■ ■ 28-11 QueenYPlaza North Analysis Date: 3/10/02 Long Island City, NY 11101 Fax: (212) 475-4122 Phone: (212) 477-8941 Project: NYC-BOE PS 150M Project#: 14584-0824

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non .4shestos # Structures Sensitivity Concentration Sample l^oluine Analyzed Asb Type(s) 0.5fl-5 5fi (S/cc) (S/mm^) (S/cc) Noles

01 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7016 -1

02 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7016 -2

03 19:20.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7016-3

04 19:20.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7016 -4

05 19:20.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7016-5

06 19:20.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7016 -6

07 1904.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7016 -7

MICHAEL A. GORYCKI, Ph.D. MARK PEYSAKHOV Analyzed by: Anproved by:

Disclaimer: The laboratory is not responsible for data reported in strcctures/cc, which is dependent on volume collected by non-laboralory personnel. This lab is only responsible for data reported in stnjctures/mmT This report may no; be reproduced, except In full, without written approval by ATC Associates Inc, This report may not be used to claim product endorseinent by NVLAP or any other agency of the U.S. Government. This reports relates only to the samples reported above Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon request.

Accredited for NVLAP PLM/TEM 4101187-0, NY State ELAP 410879

CITY_21MC100_004082410

NYC-WTC_000204622