NYC 9/11 Public Portal Document
Attn: F. Burkhard
Received: 11/1/01 8:00:00 AM
ATC Associates Inc
104 East 25th Street ATC Group #: 5805
New York NY 10010 Analysis Date: 11/1/01
Fax: (212) 353-8306 Phone: (212) 353-8280
Project: Tribeca Park
400 Chambers Street
Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed
by EPA 40 CFR Part 763 Final Rule (AHERA)
Analytical Asbestos
Area Non Asbestos Structures Sensitivity Concetration
Sample Volume Analyzed Ash Type(s) o.5p-5 Sp (S/cc) (S/mm') (S/cc) Notes
12 - 848.00 0.1012 0 None Detected 0 0 0.0045 <9.89 <0.0045
5805 -9
13 - 760.00 0.1124 0 None Detected 0 0 0.0045 <8.90 <0.0045
5805 -10
14 - 784.00 0.1012 0 None Detected 0 0 0.0049 <9.89 <0.0049
5805 -11
15 - 1592.00 0.0562 0 None Detected 0 < 17.79
0 0.0043 <0.0043
5805 -12
16 - 1600.00 0.0562 0 None Detected 0 0 < 17.79
0.0043 <0.0043
5805 -13
17 - 1640.00 0.0562 0 None Detected 0 < 17.79
0 0.0042 <0.0042
5805 -14
18 - 1616.00 0.0562 0 None Detected 0 < 17.79
0 0.0042 <0.0042
5805 -15
------ ---------------- --
19 - 1320.00 0.0674 0 None Detected 0 0 < 14.83
0.0043 <0.0043
5805 -16
20 - 1360.00 0.0674 0 None Detected 0 0 < 14.83
0.0042 <0.0042
5805 -17
26 960.00 0.0899 0 None Detected 0 0 0.0045 <11.12 <0.0045
5805 -18
ROMAN PEYSAKHOV MICHAEL A. GORYCKI, Ph.D.
Analyzed by: Approved by:
Disclaimer. The laboratory is not responsible for data reported in structures/cc, which is dependent on volume collected by non-laboratory personnel. This lab is only responsible
for data reported in structures/mm=. This report may not be reproduced, except in full, without written approval by ATC Associates Inc. This report may not be used to claim
product endorsement by NVLAP or any other agency of the U.S. Government This reports relates only to the samples reported above. Quality control data (including 95%
confidence limits and laboratory and analysis' accuracy and precision) is available upon request
Accredited for NVLAP PLM/TEM #101187-0, NY State ELAP #10879
NYC-WTC 000102780
OCR can misread numbers and units. Confirm readings against the page image before using them.