NYC 9/11 Public Portal Document
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LL Environmental Laboratory
47 Hudson Street, Ossining, New York 10562
NYS ELAP # 11142
NVLAP #200083-0
AIHA # 100147
PCM AIR SAMPLE RESULTS
Client: Bovi Lend Lease Date Collected: 06/03/02
Date Rec'd (lab): 06/04/02
Project #: MBO-025AB Analysis Date: 06/04/02
Analyst: D. MCCarf
Sample Location: The Millenium Hilton
55 Chruch Street Analytical Method: NIOSH 7400
New York, New York
Field Technician: B. Gitman
Sample #: Sample Location: Sample Type 02PCM # Volume Concentration f/cc
OWA Clean Room Of Remote —
432 During 15445 1050 <0.0026
Personal Decon'
433 OWA- Remote Waste Decon During 15446 1050 <0.0026
434 40th Floor inside airlock During 15447 1000 0.0047
435 40th Floor Freight Elevator Lobby During 15448 1000 0.0123
436 39th floor inside air lock During 15449 1000 0.0064
437 39th floor outside air lock During 15450 1000 <0.0027
438 38th floor inside air lock During 15451 1000 0.0074
439 38th floor outside air lock During 15452 1000 0.0132
440 5th floor inside air lock During 15453 1000 0.0152
441 5th floor outside air lock During 15454 1000 0.0027
442 4th Floor inside airlock During 15455 950 <0.0028
443 4th Floor Freight Elevator Lobby During 15456 950 0.0041
444 Blank During 15457 N/A NIA
445 Blank During 15458 N/A 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
S 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 McCarl - Laboratory Director
NYC-WTC 000103287
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