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PCM air sample results chain of custody, 200 Park Avenue

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Chain of custody forms for personal protective equipment and air sampling results conducted at 200 Park Avenue by Testwell Laboratories.

NYC-WTC_000103205–000103466
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NYC 9/11 Public Portal Document TESTWELL LALSUKA I UKItS, INC.

• L Environmental Laboratory 47 Hudson Street, Ossining, New York 10562 NYS ELAP # 11142 NVLAP #200083-0 AURA # 100147

PCM AIR SAMPLE RESULTS Client: Bovis Lend Lease Date Collected: 07/03102 • Date Rec'd (lab): 07/05/02 Project #: MBO-025AB Analysis Date: 07/05/02 Analyst: D Agrest Sample Location The Millenium Hilton 55 Chruch Street Analytical NIOSH 7400 New York, New York

Field Technician: B. Gitman

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

908 16th floor inside air lock During 20123 1200 <.0023

909 16th floor outside air lock During 20124 1200 <.0023

910 person decon During 20125 1250 <.0022

911 waste decon During 20126 1250 <.0022

912 10th floor inside air lock During 20127 1150 <.0023

913 10th floor outside air lock During 20128 1150 <.0023

914 11th floor inside air lock During 20129 1150 .0041

C 915 11th floor outside air lock During 20130 1150 <.0023

916 12th floor inside air lock During 20131 1150 .0023

0 917 12th floor outside air lock During 20132 1150 <.0023

918 Blank During 20133 N/A N/A

919 Blank During 20134 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

0 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 000103383

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NYC-WTC_000103383Source: NYC Law Department, mirrored locally

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