PCM air sample results chain of custody, 200 Park Avenue

NYC 9/11 Public Portal Document

LL TESTWELL LABORATORIES, INC. Environmental Laboratory NYs a 11142

47 F ii son Street, Ossining, New York 10562 NVLAP # 200083-0 +. AIHA S 100147

• PCM AIR SAMPLE RESULTS Client: Bovis Lend Lease Date Collected: 06/12/02 Date Recd (lab): 06/13/02 Project #: MBO-025AB Analysis Date: 06/13/02 Analyst: D. MCCa,I Sample Location Millenium Hilton @ WTC 55 Chruch Street Analytical Method: NIOSH 7400 New York, New York Various Floors Sample Condition Acceptable? YES Field Technician B. Gitman

Sample #: Sample Location: I Sample 02PCM Volume Concentration . Type f/cc •

•

578 Outside Work Area Personal Decon During 16392 1225 <0.0022

579 Outside Work Area Waste Decon During 16393 1225 <0.0022

Outside Work Area 32nd Floor Inside 580 During 16394 1225 <0.0022 Airlock Outside Work Area 32nd Floor 581 During 16395 1225 0.0022 Freight Elevator Lobby Outside Work Area 33rd Floor Inside 582 During 16396 1225 <0.0022 Airlock Outside Work Area 33rd Floor 583 wring 16397 1225 0.0040 Freight Elevator Lobby Outside Work Area 34th Floor Inside 584 During 16398 1225 <0.0022 Airlock Outside Work Area 34th Floor 585 During 16399 1225 <0.0022 Freight Elevator Lobby

586 Outside Work Area Personal Decon During 16400 1350 <0.0020

587 Outside Work Area Waste Decon During 16401 1350. <0.0020

[] Outside Work Area 32nd Floor Inside 588 During 16402 1250 0.0041 Airlock Outside Work Area 32nd Floor 589 During 16403 1250 0.0024 Freight Elevator Lobby 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 dient & 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 McCari - Laboratory Director

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