NYC 9/11 Public Portal Document
Environmental Laboratory
„ LIM 47 Hudson Street, Ossining, New 10562
NYS ELAP # 11142
NVLAP # 2000x3-0
AtHA # 100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease Project#: MBO-025A.B
200 Park Avenue
New York, New York Date Collected: 09/29/01
• Date Rec'd (lab): 09/29/01
Sample Location: The Millenium Hilton Hotel Analysis Date: 10103/01
55 Church Street TEM Analyst: D. McCarl
New York, New York Analytical Method: AHERA
EPA 40 CFR Part 763
Field Technician: Tej Chhenty
• Filter Type - MCE 0.45 micron
Avg.Grid Opening: 0.0121mm'
Lab Number Volume Coll. Grid
Sample #: Sample Location: 0 erin s Grid Area Countable Asb. Concentration Concentration
01TEM # (liters) Analyzed structures Structures/mm' Structures/cc
Anal d
0 39-1 39th Floor Corridor North 3444 1300.0 6 0.073 5 68.87 0.020
39-2 39th Floor Corridor Center 3445 1300.0 6 0.073 7 96.42 0.029
39-3 39th Floor Corridor South 3446 1300.0 6 0.073 7 96.42 0.029
38-1 38th Floor Corridor North 3447 1300.0 6 0.073 7 96.42 0.029
38-2 38th Floor Corridor Center 3448 1300.0 6 0.073 24 330.58 0.098
fl 38-3 38th Floor Corridor South 3449 1300.0 6 0.073 14 192.84 0.057
37-1 37th Floor Corridor North 3450 1300.0 6 0.073 2 27.55 0.008
37-2 37th Floor Corridor Center 3451 1300.0 6 0.073 3 41.32 0.012
37-3 37th Floor Corridor South 3452 1300.0 6 0.073 3 41.32 0.012
36-1 36th Floor Corridor North 3453 1300.0 6 0.073 10 137.74 0.041
36-2 36th Floor Corridor Center 3454 1300.0 6 0.073 14 192.84 0.057
36-3 36th Floor Corridor South 3455 1300.0 6 0.073 3 41.32 0.012
Structures/mm' Structures/cc
Total Average Concentrations <113.63 <0.034
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
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 reproducedApproval in full, without
the written approval of Testwell Laboratories. Inc.
Cooyricht C 2001 Testwell Laboratories. Inc
Laboratory rector ppmveo gnatory
71
NYC-WTC 000103947
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