NYC 9/11 Public Portal Document
S
TESTWELL LABORATORIES, INC.
L Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS ELAP 4 11142
NVLAP: 200083-0
ANA 0 100147
PCM AIR SAMPLE RESULTS
Client: Bovis Lend Lease Date Collected: 05/20/02
Date Rec'd (lab): 05/22/02
Project #: MBO-025AB Analysis Date: 05/22/02
Analyst: J. Yarusso
Sample Location Millenium Hilton ©c WTC
55 Chruch Street Analytical Method: NIOSH 7400
New York, New York
Various Floors Sample Condition Acceptable? YES
Field Technician T. Chhetry
C7
Concentration
Sample #: Sample Location: Sample 02PCM Volume
Type f/cc
Outside Work Area 47th Floor Inside
204 During 13869 1300 0.0092
Airlock
Outside Work Area 47th Floor
205 During 13870 1300 0.0113
Freight Elevator Lobby
206 Feld Blank Blank 13871 0 N/A
207 Feld Blank Blank 13872 0 N/A
208 Field Blank Blank 13873 0 N/A
Limit of quantitation based on volume of air collected and 5.5 f/100 fields as per the NIOSH 7400 method. The report
value is calculated by using the higher value of either the actual concentration or the limit of quantification reported at
P(0.05) indicating the 95% confidence level at 2 standard deviations. ** Sample information is provided by the client &
presented as stated. "` Laboratory QC data available upon request. "" The laboratory has no control over air
sampling collection. Reports are 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. This certificate of analysis/report shall not be reproduced except in full,
without the written approval of Testwell Laboratories, Inc.
•
Deborah McCart - Laboratory Director
PageIof1
NYC-WTC 000103242
OCR can misread numbers and units. Confirm readings against the page image before using them.