NYC-WTC_000228387

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 1/29/02 8;40'.00 PM N.Y.C. Board of Education 28-11 Queens Plaza North ATCGroup#: 6502 Long Island City, NY 11101 Analysis Date: 1/30/02 Fax: (212)475-4122 Phone: (212)477-8941 Project: PS 89M 201 Wanen Street, New York, NY Playground, Roof, 1 st Floor Hallway

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by E'PA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Nan 'i^bestos Structures Sensitivity Concentration Sample Volume Analyzed Asb O.Sfi-S Sfi (S/cc) (S/mm^) (S/cc) Notes 09 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6502-9

1840.00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 < 0.0047 6502-10

11 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 < 0.0045 6502 -11

12 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6502’12

1840.00' 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 6502-13

1840,00 0.0450 0 NonsDetected 0 0 0.0047 <22.24 <0.0047 6502-14

15 1840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 < 0.0047 6502 -15

1840.00 0.0450 0 NoneDetected 0 0 0.0047 <22.24 < 0.0047 6502 -16

ROMAN PEYSAKHOV MICHAEL A. GORYCKl, Ph.D.

Analyzed by: Approved by:

Disclaimer The laboratory is not rasponsWe for data reported in structures/a, which is dependent on volume collected non-laboratory personnel. This la^only responsible for data reported instruetures/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% oonfWence fimits and laboratory and analysis' accuracy and precision) b available upon request

Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879

CITY_2IMCl0 0_0 0 0 4 913 3 5 NYC-WTC_000228387