NYC 9/11 Public Portal Document
TESTWELL LABORATORIES, INC.
• 1L Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS ELAP # 11142
NVLAP # 200083-0
AIWA # 100147
Transmission Electron Microscopy Results
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Client: Bovis Lend Lease - LMB
200 Park Avenue
New York, New York Date Collected: 07/09/02
Date Recd (lab): 07/10/02
Sample Location: Millenium Hilton Hotel @ WIC Various Floors Analysis Date: 07/12/02
55 Church Street TEM Analyst: M. Vera/di
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New York, New York Analytical Method: AHERA
Field Technician: B. Gitman
Filter Type: MCE 0.45 micron
tvg.Grid Opening: 0.0121mm2
Lab Number Volume Grid
Sample #: Sample Location: Coll. Grid Area Countable Asb Concentration Concentration
02TEM # Openings
liters Anal ed Analyzed Structures Structures/mm= Structures/cc
268 10th Floor 3991 1280.0 6 0.073 0 <13.77 <0.004
269 10th Floor 3992 1280.0 6 0.073 0 <13.77 <0.004
r
270 10th Floor 3993 1280.0 6 0.073 0 <13.77 <0.004
271 10th Floor 3994 1280.0 6 0.073 0 <13.77 <0.004
272 10th Floor 3995 1280.0 6 0.073 0 <13.77 <0.004
273 11th Floor 3996 1280.0 6 0.073 0 <13.77 <0.004
274 11th Floor 3997 1280.0 6 0.073 0 <13.77 <0.004
275 11th Floor 3998 1280.0 6 0.073 0 <13.77 <0.004
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276 11th Floor 3999 1280.0 6 0.073 0 <13.77 <0.004
277 11th Floor 4000 1280.0 6 0.073 0 <13.77 <0.004
278 12th Floor 4001 1280.0 6 0.073 0 <13.77 <0.004
279 12th Floor 4002- 12800 6 0.073 0 <13.77 <0.004
280 12th Floor 4003 1280.0 6 0.073 0 <13.77 <0.004
281 12th Floor 4004 1280.0 6 0.073 0 <13.77 <0.004
282 12th Floor 4005 1280.0 6 0.073 0 <13.77 <0.004
283 Field Blank 4006 0.0 6 0.073 0 <13.77 <0.004
284 Field Blank 4007 0.0 6 0.073 0 <13.77 <0.004
Structures/mm2 Structures/cc
Total Average Concentrations <13.77 <0.004
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uuca.c v, anaiysiwrepon snau not oe usea oy me cuent-to-eiaim product endorsement by the National
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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.
Laboratory Director/Approved Signatory
NYC-WTC000103666
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