NYC-WTC_000226403

NYC 9/11 Public Portal Document

Attn; MI. Bemard Orlan Received: I,'27/02 7:00:00 PM N.Y.C. Board of Education -8-11 Queens Plaza North ATC Group #; 6478

Long Island City. NY 11101 Analysis Date: 1 28/02 Fa.x: (212)475-4122 Phone: (212)477-8941

Project: PS 89M 201 Warren Street, New York, NY Playground, Roof, 1 st Floor Hallway

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Non '^‘‘bestos Structures Sensitivity Concentration Sample l-'oliime Analy-etl Ash Typels) I). Sy-5 Sy (S/cc) (S/min-) (S/cc) Notes 2 ! 28.00 0,0450 0 None Detected 0 0 0.0040 <22.24 <0.0040 6478 -7

10 2128.00 0.0450 0 None Detected 0 0 0.0040 <22.24 <0.0040 6478 -11!

11 020.00 0.0450 0 None Detected 0 0 0.0045 <22.24 <0.0045 6478 -1 I

12 tS40.00 0.0450 0 None Delected 0 0 0.0047 <22.24 <0.0047 6478 -12

13 1S40.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6478-13

14 1840.00 0.0450 0 None Delected 0 0 0.0047 <22.24 <0.0047 6478 -14

15 .: 840.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6478 -15

16 i 840.00 010450 0 None Detected 0 0 0.0047 <22.24 <0.0047 6478 -16

ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.

Analyzed by Approved by:

Disclaimer: The laboratory is not responsible for data reported in structuresfcc, which is dependent on volume collected by nor-laboratory personnel. This lab is only responsible for data reported in structures/mm’. This report may not be reproduced, except in full, 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 laboratory and analysis accuracy and precision) is available upon request.

Accredited for N7LAP PLMTTEM #101187-0, NY State ELAP #10879

CITY_21MC100_002922430

NYC-WTC_000226403