NYC-WTC_000202276

NYC 9/11 Public Portal Document

Attn; Mr. Bernard Ori an ReGeived:/; 1/25/02 11 6100:00 /AM N.Y.C.lBoard of Edncation 28-I L Queens Plaza North ; ' ATC Group ft: 6431

Long Island City, ' NYy 11101 - Analysis Dato: 1/25/02 Tax: (212)475-4122 • Phone: 1 (212) 477-8941

Project: ;PS 89M 201 Warren Street, New York, NY 1 I Playground, Roof 2- 5th Floor,1st Floor Hallway

Asbestos Fiber Analysis by Transniission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non Asbestos Structures Sensitivity Concentration Sample yolume Analyzed Asb Typefs) O.Sfi-S 5fl (S/cc) (S/mm^) (S/cc) Notes 09 1840:00 0.0450 0 None Detected 0 - 0 0.0047 <22.24 <0.0047 6431-9

10 1840.00 ■ 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6131 -10

11.1 1880.00 0.0450 0 None Detected 0 0 0.0046 <22.24 <0.0046 6431-11

12 ■ 1840.00 0.0450 0 None Detected / 0. 0 0.0047 <22.24 <0.00471 6431-12

14 1840.00 0.0450 0 None Detected 0 0 0.0047 < 22.24 <0,0047 16431 -13

15^ 1840.00 0.0450 0 None Detected 0 0 0.GG47 <22.24 <0.0047. 6431 -14

16 ' 1840.00 0.0450 0 None Detected • O' 0 0.0047 1 <22.24 <0.0047 6431-15

ROMAN PEYSAKHOV MICMABL A. GORYCKl, PH.D:

Analyzed by: ' <1-Approv^ by: 1

Disclaimer; The laboratory is not responsible for data reported in structurss/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible for data reported instructuresfmml This report may npt be reproduced, except in fulllwithout written approval by ATC Associates Inc. This report may not be used to claim product endorsement by NVLAP orany other agency of the U.S. Government. This reports relates only to the samples rcponcd. above. Quality control data (including 95% confidence limits and iaboratoy and analysis' accuracy and precision) is available upon request.

1 Accredited forNVLAP PLIWTEM #101187-0, .NY State ELAP #10879

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NYC-WTC_000202277