NYC 9/11 Public Portal Document
ATC j013/02C
0/ /2001 10:42 FAX 212 353 8306
ATC Environmental, Inc.
104 East 25th Street
New York, New York 10010
Approved N.Y. State ELAP 410879
N.Y.C. Housing Authority ACCREDITED•NVLAP Lab Code # 1187
250 Broadway,•16th Floor Report Date: 09/16/01
New York, NY 10007
E CTRON ICROSCOPY E
BES OS FIBER A5ThLYSIS BY S ISSIO
(SHED) and Enor -Diegeraivc x-RAY spectroscopy (=S)
With Fiber =aea+tificatior by Eeleotad-Area Electron Diffraction
1997
Part 763), V . 82, Na. 210, October 30,
Method: pU P.A Vidal Rule, BP. Federal Rogi.cteY (40 CPR,
Anoiynia Paraeetas?
satala Identification
sample No.: 3s_2 - 5905
.2
project/Sites 2,50 IiraadwZy. NY. NY
Floors 31 27 14 a
Oriel Openings Analyzed-.4
Gate Received: 09 16 0
Average Grid Opening: t05 00 um
project Seeaple No.: 0~
Total Area Analyzed: 0.0450 eem-.2
Air Volumes 78 0 liters
Analytioal $edaitivitys 21-2 a/aan2
Filtcr RYpes cE 25 min nine:.. Pore Sixes 0.45_o 0.004L 2Lcc
Effective arcs_355 ain3
-----------------------------------------------------------
rTBR0M PARTICULATES ANALYZED CONCENTRATION
yymbrsr observed
Total
Total. struat. Filter Air
Single Matrix
struct/amt struct/cc dam/era
Aunflles Cluatr`a•P Strict. 5trcat. ,=Sum
Fibers
22.2 0.0048 157
0 0 1 0
Chrysotile Asbestos 1 0
0.0 0.0000 0
0 0 0 0
Amphibole Asbastoe 0 0
0.0 0.0000 0
0 0 0 0
A~+biguoue 0 0
22.2 0.0048 157
1 0
Total esboeton (includes ambiguous atructuros) N/A
0 0 0 0 0 0.3 0.0000
Mon-Asbestos 0 0.0000 N/A
0 0 0 0 0.0
No Zdeatifiaatioss o 0
22.2 0.0048 N/A
1 0
Totals (All Structures
steaaard deviation.
The estimated vneertainty of thic adalysis is 1
None detected
Non-asbestos fiber i.d. (EDS/SAED):
Amphibole Asbestos Type: None detected ----------------
-- ----------------------------------- accordance with the approved TEM met cc
The Analysis was carried out in quality specified for the me=
This laboratory is in compliance with the
Report Reviewed by:
Analyzed by:
Michael A. Gorycki, Ph.D.
Roman Peysakhov Director of Electron Microscopy
NYC-WTC 000106087
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