NYC 9/11 Public Portal Document
I TESTWELL LABORATORIES, INC.
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
Nrs FLAP # 11142
NVW # 2000ss-o
AIHA # 100147
•
Transmission Electron Microscopy Results
Client: Bovis Lend Lease - LMB
200 Park Avenue
New York, New York Date Collected: 08/14/02
_ Date Rec'd (lab): 08/15/02 —
• Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 08/16/02
55 Church Street TEM Analyst: D. McCar/
New York, New York Analytical Method: AHERA
Field Technician: B. Gitman
Filter Type: MCE 0.45 micron
• vg.Grld Opening: 0.0121mm2
Volume Grid
Lab Number Grid Area Countable Ash. Concentration Concentration
Sample #: Sample Location:
02TEM #
Coll.
(liters)
Openings
Analyzed
Analyzed I
Structures Structures/mm2 I Structures/cc
366 Loading dock area 6588 1280.0 6 0.073 0 <13.77 <0.004
367 Loading dock area 6589 1280.0 6 0.073 0 <13.77 <0.004
368 Loading dock area 6590 1280.0 6 0.073 0 13.77 0.004
369 Blank 6591 0.0 6 0.073 0 <13.77 <0.004
370 Blank 6592 0.0 6 0.073 0 <13,77 <0.004
Structures/mm2 Structures/cc
Total Average Concentrations < 13.77 < 0.004
I nib repun I5 u,e cunnaenum prupeny ur our clients. I
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ceruncate or anaiysis/report snail 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 full, without the written approval of Testwell Laboratories, Inc.
Laboratory Directo'/Approved Signatory
•
NYC-WTC 000103690
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