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Air sample analysis report, 75 Park Place, Sep 2001

Machine-extracted title · confidence 100%

Report of air sample analysis by transmission electron microscopy for asbestos structures at 75 Park Place collected in September 2001.

NYC-WTC_000095946

Folder label: “44 West Broadway Block: 127 Lot: 18 BIN: 1001415 59-75 Park Place, 253-267 Greenwich St. 64-84 Murray St.

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NYC 9/11 Public Portal Document

ambient labs inc. 159 West 25th Street New York, NY 10001 ELAP #10865

REPORT OF AIR SAMPLE ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY

Project ID: 0211358 Client Name: J. Resnick & Sons Project Name: J. Resnick & Sons Field ID: 01

Sample ID : AEM990 09424 Date Received : 9/20/01 Sample Description: Lobby of 75 Park Place Security Desk

Filter Composition: MCE Porosity : 0.45 micron Filt Lot #: EX55 Filter Diameter: 25 mm Effective Filter Area: 385 mrr? Air Volume: 1250 Itr Total Filter Area Analyzed: 0.0630 mm2

# Grid Openings: 7 Avg Grid Opening Area :0.0090 mrr Grid Lot#: 4083 Analytical Sensitivity : 0.0049 asbestos struct/cm3

Number of Asbestos Number of Structure Types: Structures: LENGTH FIBER CLUSTER MATRIX BUNDLE Chrysotile : 0 0.5um<L<5um 0 0 0 0 Amphibole: 0 L>5um 0 0 0 0

A: TOTAL CHRYSOTILE STRUCTURE CONCENTRATION: LTANYL SENS structure/cm 3 B: TOTAL AMPHIBOLE STUCTURE CONCENTRATION: LT ANYL SENS structure/cm3 C: TOTAL ASBESTOS STUCTURE (A+B) CONCENTRATION: LT ANYL SENS structurelcm3

TOTAL ASBESTOS CONCENTRATION: IN AIR I LT ANYL SENS structure/ce ON FILTER LT ANYL SENS structure/mm2

Micrograph ID # for Reported Structures: None None

Reported for Ambient Labs Inc. by:

Analysis Date: 9120/01 INNA NURIK Environmental Analyst Overloaded, NA. Analyzed

NYC-WTC 000095946

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NYC-WTC_000095946Source: NYC Law Department, mirrored locally

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