NYC 9/11 Public Portal Document
I
ATC Environmental, Inc.
I 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: 10/25/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM)
With Fiber Identification by Selected-Area Electron Diffraction ;SAED) and Energy-Dispersive X-RAY Spectroscopy (EDS)
Method: AHERA Final Rule, EPA Federal Register (40 CFR, Part 763, , Vol. 52, Nc 210, October 30, .987
Sample Identification Analysis Parameters
Project/Site: Related, Tribeca T.R. 105 Duane St., N'!, NY TEM Sample No.: 5761 - 62212
Various Sites
Date Received: 10/25/01 Grid Openings Analyzed: 6
Project Sample No.: 39 Average Grid Opening: 106.00 um
Air Volume: 130C liters Total Area Analyzed: 0.0674 mm2
Filter Type: MCE 25 mm diam., Pore Size: 0.45 um Analytical Sensitivity: 14.8 s/mm2
Effective Area: 385 mm2 0.0044 s!cc
---
FIBROUS PARTICULATES ANALYZED
Number Observed CONCENTRATION
' Total
Single Matrix Total. Struct, Filter Air
Fibers Bundles Clusters Struc_. Struct. >=5'.:m Struct/mm2 Struct/cc nom/m3
Chrysotile Asbestos 0 0 0 0 0 .. 0.0 0.0000 0
Amphibole Asbestos 0 0 0 0 0 a 0.0 0.0000 0
Ambiguous 0 0 0 0 0 0 0.0 0.0000 0
Total asbestos (includes ambiguous structures) C 0 0.0 0.0000 0
Non-Asbestos 0 0 0 0 0 0 0.0 0.0000 N/A
No Identification 0 0 0 0 U C 0.0 0.0000 N/A
Totals (All Structures) 0 C 0.0 0.0000 N/A
The estimated uncertainty of this analysis is 1 standard deviation.
----------------------------------------------------------------------------------------------------------------------------------
Non-asbestos fiber i.d. (EDS/SAED): None detected
1 --------------------------------------------------------------
Amphibole Asbestos Type: None detected
The Analysis was carried out in accordance with the approved TEM method.
This laboratory is in compliance with the quality specified for the method.
I Analyzed by: Report Reviewed by:
I Marek Peysakhov Michael A. Gorycki, Ph.D.
Director of Electron Microscopy
LI
NYC-WTC 000104178
OCR can misread numbers and units. Confirm readings against the page image before using them.