NYC 9/11 Public Portal Document
Environmental Laboratory NYS SLAPS 11142
i i 47 Hudson Street, Ossining, New .10562 NVLAP s 2000830
AuMA s 100147
0 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: 09130101
55 Church Street TEM Analyst: D. 1WcCarl
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
Grid
Sample #: Sample Location:
#f
Lab Number Volume Coll.
01TEM (liters) Openings
Analyzed
Grid Area Countable Asb. Concentration
Analyzed Structures
Concentration
Structures/mm- I Structures/cc
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 Structures/cc
Total Average Concentrations <56.24 <0.017
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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 m full. without
the written approval of Testwell Laboratories, Inc.
Coovricht ® 2001 Testwell Laboratories Inc.
L.aborarory orlA,opmwd &gnatoy
S
NYC-WTC 000103938
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