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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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' LL NYC 9/11 Public Portal Document - I r Gal I VY LL. LMOVr~

Environmental Laboratory VRI I7 IIVIi. NYSELAP#11142

47 Hudson Street, Ossining, New York 10562 NVLAP # 200083-o AIHA # 100147

PCM AIR SAMPLE RESULTS s- Date Collected: Client: Bovis Lend Lease 07/22/02 Date Rec'd (lab): C7/22/02 Project #: MBO-025AB Analysis Date: 07/23/02 Analyst: C. Agrest Sample Location The Millenium Hilton 55 Chruch Street Analytical NIOSH 7400 New York, New York 10007

Field Technician: B.Gitman

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

1041 Personal Decon During 22441 1200 0.0031

1042 Waste Decon During 22442 1200 0.0057

1043 Level C N-East inside air lock During 22443 1200 < 0.0023

1044 Level C N-East outside air lock During 22444 1200 <0.0023

1045 Personal Decon During 22445 1350 < 0.0020

1046 Waste Decon During 22446 1350 0.0029

1047 Level C N-East inside air lock During 22447 900 0.0035

C7 1048 Level C N-East outside air lock During 22448 900 0.0054

1049 Blank During 22449 N/A N/A

1050 Blank During 22450 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 3y 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.

arl -Laboratory Director Deborah McCa

NYC-WTC 000103411

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NYC-WTC_000103411Source: NYC Law Department, mirrored locally

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