NYC 9/11 Public Portal Document
ATC - (1007/020
10/01/2001 10:40 FAX 212 353 8306 __
ATC Environmental, Inc.
104 East 25th Street
New York, New York 10010
Approved N.Y. State ELAP #10879
N.Y.C. Housing Authority ACCREDITED NVLAP Lab Code # 1187
250 Broadway, 16th Floor Report Date: 09/16/01
New York, NY 10007
TEM
TRpiNSMISSION ELECTRON MICROSCOPY
S.BESTOS FIBER MThLYSIS BY (SD ) and Snossy-Diaperaiv0 R-
Speatroaaopy tEDS)
-Area Electron Diffraction
With giber Ide1tifieation by Selected 52, No. 270, October 30,
3.901
Federal Register (60 CPR, Part 753), Vol.
Methods AHERA Final Rule, EPA
Analvsia ]PasamOt:rn
as g1e Identification
TOM Sample NO.: 5512 - 69076
Project/site: 20 Rrosdwa NY
2'loor0 3t. 27 19 5
Grid Openings Analyzed:4
Date Received: 09 5 01
6.OD ]u~
Average Grid opening: ia
Project $ ateple No.:02
Total Area Analyzed:,0.0450 auo2
Air volumet 3.000 .iters
Analytical Sensitivity: 22.2 a
size: 0.65 um
Filter Type: MCF 25 ten diem., Porn 0.00d6 s/cc
Effective Area: 385 :mat
------------------------•----------------------------------
FIBROUS PARTICULATES ANALYZED CONCENTRATION
lcpmbr_r observed
Tots).
Struct. Filter Air
Matrix Total.
Single struct/mm2 Struct/ce neat/n3
Clusters Struct. Struct. >=5um
Fibers P Adler
0.0 0.0000 0
0 0 0 0 0 0
Chryaotile Asbcstoc
0.0 0.0000 0
A~rphibole Asbestos 0 a 0 0 0 0
0.0 0.0000 a
Ambiguous 0 0 0 0 0
0.0 0.0000 0
0 0
Total asbestos (includes ambiguous structures) 0.0 0.0000 N/A
0 0 0 C
Non-Aabestos 0 0 N/A
0.0 0.0000
0 0 0 a 0 0
No identification
0.0 0.0000 NIA
a 0
Totals (All structures)
this analysis is 1 standard deviation.
The estimated uncertainty of -------------------------
---------------------------------------------------------
detected
Non-asbestos fiber i.d. (EDS/SHED): None
Amphibole Asbestos Type: None detected
----------------------------------
------------------------------------- in'accordance with the approved TEM method.
The Analysis was carried out the method
with the quality specified for
This laboratory is in compliance
Report Reviewed by:
Analyzed by:
Michael A. Gorycki, Ph.D.
Roman Peysakhov Director of Electron Microscopy
NYC-WTC 000105978
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