NYC 9/11 Public Portal Document
' 1L. Environmental Laboratory
47 Hudson Street, Ossining, New -.,.. 10562
Transmission Electron Microscopy Results
Client: Bovis Lend Lease Project#: MSO-025AB
200 Park Avenue
New York, New York Date Collected: 09/28/01
Date Rec'd (lab): 09/28/01
Sample Location: The Millenium Hilton Hotel Analysis Date: 09/30/01
55 Church Street TEM Analyst: D. McCarl
New York, New York Analytical Method: AHERA
EPA 40 CFR Part 763
Field Technician: M. Sokolinskiy/O. Koledenkov
Filter Type • MCE 0.45 micron
Avg.Grid Opening: 0.0121mm2
Lab Number Volume Coll.J Grid Grid Area Countable Asb. Concentration Concentration
Sample #: Sample Location: Openings
01TEM # (liters) Analyzed Structures Structures/mm' Struttures/cc
Anal ed
51-1 South Side of Corridor 3420 1250.0 6 0.073 5 68.87 0.021
51-2 Middle of Corridor 3421 1250.0 6 0.073 3 41.32 0.013
51-3 North Side of Corridor 3422 1250.0 6 0.073 0 <13.77 <0.004
50-1 South Side of Corridor 3423 1250.0 6 0.073 5 68.87 0.0021
50-2 Middle of Corridor 3424 1250.0 6 0.073 2 27.55 0.008
50-3 North Side of Corridor 3425 1250.0 6 0.073 4 55.10 0.017
49-1 South Side of Corridor 3426 1250.0 6 0.073 0 <13.77 <0.004
49-2 Middle of Corridor 3427 1250.0 6 0.073 3 41.32 0.013
49-3 North Side of Corridor 3428 1250.0 6 0.073 9 123.97 0.038
48-1 South Side of Corridor 3429 1250.0 6 0.073 4. 55.10 0.017
48-2 Middle of Corridor 3430 1250.0 6 0.073 6 82.64 ✓° 0.025
48-3 North Side of Corridor 3431 1250.0 6 0.073 6 82.64 0.025
Structures/mm2 Strucures/cc
Total Average Concentrations <56.24 I
<0.017
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 f & without
the written approval of Testwell Laboratories, Inc.
2
Copyright 02001 Testwell Laboratories. Inc.
NYC-WTC 000103786
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