NYC-WTC_000223671

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New Yoik, NY 10010 Phone:(212)353-8280 Fax: (212) 353-8306 awe .Attn: ;Mr. Bernard Orlan Received: 4 10 02 8:15:00 PM YY.C. Board of Education ATC Group 5371 2S-11 Queens Plaza North Analysis Date: 4’10 02 Long Island City, NY 11101

Eax: (212) 475-4122 Phone: (212) 477-8941

Project: NYC-BOE PS 150M Project#: 14584-0824

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Aiiatyricat Asbestos .Ir™ .Voji Asbestos # Structures Sensitivity Conceniralioii Sample ralume Analyzed Asb Type(s) I). }p-j 5,u IS/cc) fS/mm-J IS/ec) S/itei

01 1920.00 0.0450 0 None Detected 0 0 0.0045 < 22 24 <.0.0045 NY -/

02 1920.00 0 0450 0 None Detected 0 0 0 0045 .24 <0.0045

03 1920.00 004 50 0 None Detected 0 0 00045 <22.24 •:O 0045 -5Y -3

04 1920.00 0.0450 0 None Detected 0 0 0.0045 22.24 < 0.(1045

1920.00 0045!) 0 None Detected I) 0 (>04.5 22 24 ■ I) 01)45

1)6 0 None Delected 0 0.0045 ■ 0.004.5 1912.00 0.0450 0 .■j’’.-' -ft

0^ 1928.00 0.0450 0 None Detected 0 0 0.0044 <22.24 <0.0044 Zi'l -7

.MICHAELA GORYCKI. Ph D MARK PEYSAKHOV

.Analyzed by: .Approved by

Disclaimer: The laDoraloq is not responsiole for oata reported in structures,cc. wnich is dependent on volume caiiecieaYy non for data reported n structuresimmO This reptd may not pe reproduced, except n full, without written approval by -’C Asscciaies me -ecco product endorserr.ent uy NVLAP or any oner agency of the U S Government, This reports relates only tc the samples -epertea aceve Cuaiiry ccnt'ci ca'a i.'- icnfidence limits and laocratory and analysis' .accuracy and precision) is available upon 'equest.

ccredilea for NVLAP Pl'virEM 3t0113'-0, NT State Eu.iP rt’0879

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CITY_21MC100_002919722

NYC-WTC_000223671