NYC-WTC_000204619

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#: 6998 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 150M Project#: 14584-0824 334 Greenwich St., New York, NY. 10013

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos ft Structures Sensitivity Concentration Sample Volume Analyzed Asb Type(s) 0.5fi-5 5ft (S/cc) (S/mm^) (S/cc) Notes

01 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6998 -1

02 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6998 -2

03 1020.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6998 -3

04 192S.OO 0.0450 0 None Delected 0 0 0.0044 <0 0044 6998 -4

05 1920.00 0.0450 0 None Detected 0 0 0.0045 <0.0045 6998 -5

06 1920.00 0.0450 0 None Detected 0 0 0.0045 <0.0045 6998 -6

07 1912.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6998 -7

MICHAEL A. GORYCKl. Pli.D ROMAN PEYSA^OV

Analyzed by Approved by.

Disclaimer The laboratory is not responsible for data reported in structures/cc. which is dependent on volume collected by ron-laboratory personnel This lab is only responsible for data reported n structures/mm- This report may not oe reproduced except in full, without written aoproval by ATC Associates Inc This report may not be used to claim product endorsement by NVLA’ or any other agency of the L S. Government. This reports relates only to the samples reported above Quality control data (including 95% confidence limits and laboratory and analysis' accuracy and precisioni s available upon request.

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

CITY_21MC100_004082400

NYC-WTC_000204619