NYC 9/11 Public Portal Document
ii
L Environmental Laboratory
47 Hudson Street, Ossining, New .10562
NYS ELAP 0 11:42
NVLAP a 2000a -o
AJHA N 100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease Project #: MBO 025A3
200 Park Avenue
. New York, New York Date Collected: 09/30/01
Date Rec'd (lab): 10/01/01
Sample Location: The Millenium Hilton Hotel Analysis Date: 10/08/01
55 Church Street TEM Analyst: D. McCarl
New York, New York Analytical Method: AHERA
EPA 40 CFR Part 763
Field Technician: M. Sokolonskiy/0. Kolendenkov
Filter Type - MCE 0.45 micron
Avg.Grid Opening: 0.0121mm2
Lab Number Volume Coll. Grid
Sample #: Sample Location: Openings Grid Area Countable Asb. Concentration Concentration
01TEM # (liters) Analyzed Structures Structures/mm' Structures/cc
Analyzed
0 11-1 South Side of Corridor 3520 1250.0 6 0.073 19 261.71 0.081
11-2 In the Middle of Corridor 3521 1250.0 6 0.073 12 165.29 0.051
11-3 North Side of Corridor 3522 1250.0 6 0.073 14 192.84 0.059
10-1 South Side of Corridor 3523 1250.0 6 0.073 3 41.32 0.013
10-2 In the Middle of Corridor 3524 1250.0 6 0.073 2 27.55 0.008
10-3 North Side of Corridor 3525 1250.0 6 0.073 18 247.93 0.076
9-1 South Side of Corridor 3526 1250.0 6 0.073 13 179.06 0.055
9-2 In the Middle of Corridor 3527 1250.0 6 0.073 12 165.29 0.051
L]
9-3 North Side of Corridor 3528 1250.0 6 0.073 11 151.52 0.047
4-1 South Side of Corridor 3529 1250.0 6 0.073 4 55.10 0.017
4-2 In the Middle of Corridor 3530 1250.0 6 0.073 11 151.52 0.047
4-3 North Side of Corridor 3531 1250.0 6 0.073 2 ( 27.55 0.008
Structures/mm' Structures/cc
Total Average Concentrations 138.89 0.04
This report is the confidential property of our clients. This certificate of analysis/report shall not be used by the client to claim product endorsement by the National Voluntary Laboratory Approval
Program (NVLAP) or any agency of the United States Government. The laboratory has no control over air sampling collection. This certificate of analysis/report shall not be reproduced in full, without
the written approval of Testwell Laboratories. Inc.
Copyright ® 2001 Testwell Laboratories Inc
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NYC-WTC 000103954
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