NYC 9/11 Public Portal Document
•
'R L TESTWELL LABORATORIES, INC.
Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS ELAP C 11142
NVLAP 4 200083-0
AIHA * 100147
Transmission Electron Microscopy Results
Client: Bovis Lend Lease - LMB
200 Park Avenue
New York, New York Date Collected: 06/20/02 -
__ Date Rec'd (lab): 06/21/02 -.
• Sample Location: Millenium Hilton Hotel @ WTC Various Floors Analysis Date: 06/24/02
55 Church Street TEM Analyst: D. McCarl
New York, New York Analytical Method: AHERA
Field Technician: B. Gitman
Filter Type: MCE 0.45 micron
• vg.Grid Opening: 0.0121mm2
Volume Grid
Lab Number Grid Area ICountable Asb. Concentration Concentration
Sample #: Sample Location: Coll. Openings
02TEM #
(liters) Analyzed
Analyzed IStructures Structures/mm2 Structures/cc
Inside Work Area 28th
198 3059 1280.0 6 0.073 0 <13.77 <0.004
Floor
•
Inside Work Area 28th
199 3060 1280.0 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 28th
200 3061 1280.0 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 28th
201 3062 1280.0 6 0.073 0 <13.77 <0.004
Floor
Inside Work Area 28th
202 3063 1280.0 6 0.073 1 13.77 0.004
Floor
203 Blank 3064 0.0 6 0.073 0 <13.77 <0.004
•
204 Blank 3065 0.0 6 0.073 0 <13.77 <0.004
Structures/mm2 1 Structures/cc
Total Average Concentrations <13.77 J <0.004
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 analysis/report shall not be reproduced in full, without the written approval of Testwell Laboratories, Inc.
Laboratory Director/Approved Signatory
NYC-WTC 000103653
OCR can misread numbers and units. Confirm readings against the page image before using them.