NYC 9/11 Public Portal Document
i i L.. Environmental Laboratory
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Transmission Electron Microscopy Results
Client: Bovis Lend Lease Project#: MBO-025AB
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: 09/30/01
55 Church Street TEM Analyst: D. MCCar/
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: 0.0121mm2
Lab Number Volume Coll. Grid Grid Area Countable Asb. Concentration Concentration
Sample #: Sample Location: Openings
01TEM # (liters) Analyzed Structures Structuresimm' Structuresicc
___________
Anal ed [
35-1 35th Floor-Cooridor North 3432 1300.0 6 0.073 9 123.97 0.037
35-2 35th Floor-Cooridor Center 3433 1300.0 6 0.073 2 27.55 0.008
35-3 35th Floor-Cooridor South 3434 1300.0 6 0.073 5 68.87 0.020
34-1 34th Floor-Cooridor North 3435 1300.0 6 0.073 4 55.10 0.016
34-2 34th Floor-Cooridor Center 3436 1300.0 6 0.073 3 41.32 0.012
34-3 34th Floor-Cooridor South 3437 1300.0 6 0.073 10 137.74 ~' 0.041
27-1 27th Floor-Cooridor North 3438 1300.0 6 0.073 8 110.19 0.033
27-2 27th Floor-Cooridor Center 3439 1300.0 6 0.073 5 68.87 0.020
27-3 27th Floor-Cooridor South 3440 1300.0 6 0.073 6 82.64 V 0.024
BLK-1 Field Blank 3441 0.0 4 0.048 0 N/A N/A
BLK-2 Field Blank 3442 0.0 4 0.048 0 N/A N/A
BLK-3 Field Blank 3443 0.0 4 0.048 0 N/A N/A
Structures/mm2 Structures/cc
Total Average Concentrations <79.58 I <0.019
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 anatysis/repon shag not be reproduced in full, without
the written approval of Testweli Laboratories, Inc.
Coovriaht 0 2001 Testweil Laboratories. Inc.
Labofaloty P ^
NYC-WTC 000103787
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