NYC 9/11 Public Portal Document
.3.vi uvr .V V 1 iv. vv i tua its. y.~v vvvv nay V J.
ATC Environmental, Inc.
104 East 25th Street
New York, New York 10010
ATC Associates Inc. Approved N.Y. State ELAP #10879
104 East 25th Street ACCREDITED NVLAP Lab Code # 1187
New York, NY 10010 Report Date: 09/28/01
MICROSCOPY (TEM
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON
Electron ni€fraction (SE) and Energy-Dispersivo X-RAY Spectros8oPY (EDS)
Wins Fiber Identification by Sclecred-Area
cPR. Part 763), Vol. 52, No. 210, October 30, 1987
Mothod: ARERA Final Rule, EPA Federal Register (40
Anslvsis Parametcrn
Sample Identification
''EM Sample So.; 5577 - 59713
Project/site: 9 Murray Street, NY,
3rd F1ocr
Grid Openings Analyzed: 5
Dato Received: 09 28 0y.
Average Grid Opening: 106.00 um
Project sample No.: 3-04
1300 liters Total Area Analyzed: 0.0614 mina
Air Volume=
Analytical Senuitivity: 14.8 s/mm2.
Filter Typo; MCE RE MM diam Porc 8ire: 0.45 um
0.0044 s/cc
Effective Area! 385 0502
— -----------------------`----------------------•----------------------.,
---------- ------------------------
FIBROUS PPRTICULATES ANALYZED
Number Obsorvod CONCENTRATION
Total
single matrix Total. struct. Filter Air
glunters struct. Struct. a=Sum Struct/1m 12 struct/co nelm/m3
Fibers Bundles
0 0 D 0 0 0.0 0.0000 0
chrrysotile Asbestos 0
0 0 0 0 0.0 0.0000 0
Amphibole A.,be5t0s 0 0
0 0 0 0 0.0 0.0000 0
Ambiguous 0 0
0 0 0.0 0.0000 0
Total asbestos (includes ambiguous structures)
D 0 0 0.0 0.0000 N/A
Non-Asbestos 0 0 0
0 0 0 D 0 0.0 0.0000 N/A
No Identification 0
0 0 0.0 0.0000 N/A
Totnl3 (All Structures)
uncertainty of this ar+alyeis is 1 standard deviation_
The estimated
-----------------------`^-------------------- — -------------------
--------------`^---------------------- —
Non-asbestos fiber i.d. (EDS/SEED) : None detected
Amphibole Asbestos Type: None detected
-----------------------------------`------------------------.---------------------
method.
The Analysis was carried out in accordance with the approved TEM
for the method.
This laboratory is in compliance with the quality specified
Analyzed by: Report Reviewed by:
Roman Peysakhov Michael A. Gorycki, Ph.D.
Director of Electron Microscopy
NYC-WTC 000097476
OCR can misread numbers and units. Confirm readings against the page image before using them.