NYC-WTC_000212804

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 6/7/02 9:30:00 PM N.Y.C. Board of Education ATC Group#: 7999 28-11 Queens Plaza North Analysis Date: 6/8/02 Long Island City, NY 11101 Fax; (212)475-4122 Phone: (212)477-8941 Project; NYC-BOE PS 234M Project#; 14584-1823

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos H Structures Sensitivity Concentration Sample i^olume Analyzed Asb Typefs) O.Sfi-S 5p 6SZccj (S/mm^) (S/cc) Notes

08 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7999 -8

09 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7999 -9

10 1920.00 0.10450 0 None Detected 0 0 0.0045 <22.24 < 0.0045 7999 -10

11 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7999 -11

12 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7999 -12

13 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 < 0.0045 7999 -13

14 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7999 -14

15 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 7999 -15

MARK PEYSAKHOV MICHAEL A. GORYCKI. Ph.D.

Analyzed by: •proved by:

D sclaimer: The laboratoty is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratoiy personnel. This lab is only responsible for data reported in structures/mm'. This report may not be reproduced, except in lull, 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 reported above. Quality control data (including 95% confidence limits and laboratoi^r and analysis' accuracy and precision) is available upon request

Aixredited for NVi_AP PLMaEM #101187-0. NY State ELAP #10879

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