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← Document results/DEP Box 36/20 DEY STREET Block: 80 Lot: 4 BIN: 1075702 Millenium Hiton, 41-51 Church St, 172-184 Fulton St
Document / 163 pages

Air sampling correspondence, 20 Dey Street, Feb 2002

Machine-extracted title · confidence 85%

Cover letter dated February 22, 2002 from LMB Inc. regarding air sampling activities at 20 Dey Street and surrounding addresses.

NYC-WTC_000103723–000103885

Folder label: “20 DEY STREET Block: 80 Lot: 4 BIN: 1075702 Millenium Hiton, 41-51 Church St, 172-184 Fulton St

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Scanned page image, NYC-WTC_000103852
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NYC 9/11 Public Portal Document

TESTWELL LABORATORIES, INC. Environmental Laboratory ~~ _ flCMT ~ NY8 ELAP 011142 NVI.AP / 2000830 47 Hudson Street, Ossining, New York 10562 , G_ l AMA • 100147

Transmission Electron Microscopy Results Project#: MBO-025AB Client: Bovis Lend Lease 200 Park Avenue Date Collected: 10/18/01 New York, New York Date Recd (lab): 10/19/01 Analysis Date: 10/22/01 Sample Location: The Mllenium Hilton Hotel TEM Analyst: D. MCCarI 55 Church Street Analytical Method: AHERA New York, New York EPA 40 CFR Part 763 Field Technician: M. Sokolonskiy

Filter Type - MCE 0.45 micron Avg.Grid Opening: 0.0121mm2

Lab Number Volume Coll. Grid Grid Area Countable Asb. Concentration Concentration Sample #: Sample Location: Openings Analyzed Structures Structures/mm' Structures/cc -

01TEM # (liters) Analyzed ( Room #4110 3782 1260.0 6 0.073 6 82.64 ✓' 0.025 13A-4110

Room #4111 3783 1260.0 6 0.073 9 123.97 0.038 14A-4111

Room #4112 3784 1260.0 6 0.073 14 192.84 - 0.059 15A-4112

Room #4114 3785 1260.0 6 0.073 6 82.64 0.025 16A-4114

3786 1260.0 6 0.073 0 <13.77 <0.004 17A-CE C-Level Garage, East Side

3787 1260.0 6 0.073 2 27.55 0.008 18A-CW C-Level Garage. West Side

3788 1260.0 6 0.073 1 13.77 0.004 19A-SCE SC-Level Garage, East Side

3789 1260.0 6 0.073 2 27.55 0.008 20A-SCW SC-Level Garage, West Side

Field Blank 3790 0.0 6 0.073 0 N/A N/A 21A

3791 0.0 6 0.073 0 NIA N/A 22A Field Blank

Structures/mm2 Structures/cc Total Average Concentrations 70.59 0.021

shag not be used by the client to claim product endorsement by the National Voluntary Laboratory Approval This report is the confidential property of our clients. This certificate of analysisrreport over air sampling collection. This certificate of analysis/report shag not be reproduced In fug, without Program (NVLAP) or any agency of the United States Government. The laboratory has no control the written approval of Testwef Laboratories. Inc. coovrioht O 2001 Testwel Laboratories. Inc.

L.aboraloly or p narory

NYC-WTC 000103852

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NYC-WTC_000103852Source: NYC Law Department, mirrored locally

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