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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_000103791
OCR text

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NYC 9/11 Public Portal Document ' Environmental Laboratory g _ NYS ELAP 911142 47 Hudson Street, Ossining, Newl '10562 p̀4 t as s 2aooaso ✓ _~ ~,~ _ E rte' zN AL ANA s 100147

Transmission Electron Microscopy Results client: Bovis Lend Lease Project#: MSO-025AS 200 Park Avenue New York, New York Date Collected: 09/29/01 Date Rec'd (lab): 09129/01 Sample Location: The Millenium Hilton Hotel Analysis Date: 10/04/01 55 Church Street TEM Analyst: D. McCarl New York, New York Analytical Method: AHERA EPA 40 CFR Part 763 Field Technician: M. Sokolinskiy/O. Kolendekov

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

Sample #:

41-1 Sample Location:

South Side of Corridor Lab Number Volume Coll. 01TEM #

3472 (liters)

1250.0 O enin s Anat ed

6 Grid Area Analyzed

0.073 Countable Asb. Structures J Concentration Structures/mm' J Concentration Structures/cc

12 165.29 — 0.051

41-2 In the Middle of Corridor 3473 1250.0 6 0.073 16 220.39 ✓ 0.068

41-3 North Side of Corridor 3474 1250.0 6 0.073 8 110.19 '1 0.034

40-1 South Side of Corridor 3475 1250.0 6 0.073 7 96.42 0.030

40-2 In the Middle of Corridor 3476 1250.0 6 0.073 14 192.84 0.059

40-3 North Side of Corridor 3477 1250.0 6 . 0.073 14 192.84 d 0.059

33-1 South Side of Corridor 3478 1250.0 6 0.073 5 68.87 0.021

33-2 In the Middle of Corridor 3479 1250.0 6 0.073 2 27.55 0.008

33-3 North Side of Corridor 3480 1250.0 6 0.073 3 41.32 0.013

32-1 South Side of Corridor 3481 1250.0 6 0.073 11 151.52 v' 0.047

32-2 In the Middle of Corridor 3482 1250.0 6 0.073 5 68.87 0.021

32-3 North Side of Corridor 3483 1250.0 6 0.073 2 27.55- 0.008

Structures/mm2 Structures/cc Total Average Concentrations 113.63 0.035 This report Is the confidential property of our clients. This certificate of analysts/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 The laboratory has no control over air sampling collection. This certificate of analysis report shall not be reproduced In fui, without the written approval of Testwell Laboratories, Inc. Co 0 1 Testwell Laboratories. Inc,.

Laamor/vlmctor/Appavea n

NYC-WTC 000103791

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NYC-WTC_000103791Source: NYC Law Department, mirrored locally

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