PCM air sample results chain of custody, 200 Park Avenue

NYC 9/11 Public Portal Document

L

L TESTWELL LABORATORIES, INC. Environmental Laboratory 47 Hudson Street, Ossining, New York 10562 wvs SAP 0 11142 NVLAP s 200083-0 AIHA s 100147

PCM AIR SAMPLE RESULTS Client: Bovis Lend Lease Date Collected: 06/11/02 Date Rec'd (lab): 06/12/02 Project #: MBO-025AB Analysis Date: 06/12/02 Analyst: D. Agrest C1 Sample Location Millenium Hilton @ WIC 55 Chruch Street Analytical Method: NIOSH 7400 New York, New York Various Floors Sample Condition Acceptable? YES Field Technician B. Gitman

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

561 Outside Work Area Personal Decon During 16286 1300 0.0026

562 Outside Work Area Waste Decon During 16287 1300 0.0038 Outside Work Area 32nd Floor Inside 563 During 16288 1300 <0.0021 Airlock Outside Work Area 32nd Floor 564 During 16289 1300 0.0021 • Freight Elevator Lobby Outside Work Area 33rd Floor Inside 565 During 16290 1300 <0.0021 Airlock Outside Work Area 33rd Floor 566 During 16291 1300 <0.0021 Freight Elevator Lobby Outside Work Area 34th Floor Inside 567 During 16292 1300 0.0023 Airlock Outside Work Area 34th Floor 568 During 16293 1300 <0.0021 •

Freight Elevator Lobby

569 Outside Work Area Personal Decon During 16294 1300 0.0021

570 Outside Work Area Waste Decon During 16295 1300 0.0025 Outside Work Area 32nd Floor Inside 571 During 16296 1200 <0.0023 Airlock Outside Work Area 32nd Floor 572 During 16297 1200 <0.0023 Freight Elevator Lobby Limit of quantitation based on volume of air collected and 5.5 f1100 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 S 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. S Deborah McCari - Laboratory Director

Page 1 of 1

NYC-WTC 000103313