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PCM air sample results chain of custody, 200 Park Avenue

Machine-extracted title · confidence 85%

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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Scanned page image, NYC-WTC_000103287
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NYC 9/11 Public Portal Document ' I 1GJI VV LL LHCVMIAIVMIC.7 1 1114'....

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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NYC-WTC_000103287Source: NYC Law Department, mirrored locally

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