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← Document results/DEP Box 33/1 NORTH END AVENUE Block: 16 Lot: 225 BIN: 1085502 4 River Terrace, 60 Vesey Street
Document / 15 pages

Indoor environmental quality survey fax, Dec 13, 2001

Machine-extracted title · confidence 100%

Fax cover sheet from Ambient Group dated December 13, 2001 regarding indoor environmental quality surveys.

NYC-WTC_000097632–000097646

Folder label: “1 NORTH END AVENUE Block: 16 Lot: 225 BIN: 1085502 4 River Terrace, 60 Vesey Street

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Scanned page image, NYC-WTC_000097639
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NYC 9/11 Public Portal Document

L'hU- 1. - U1 THU Ub: bb Ffl Arlulh.NT GROUP INC FAX NO. 212 *(66 1b40 F. 09

ambient labs inc. 159 West 25th Street New York, NY 10001 ELAI' #10865 - L REPORT OF AIR SAMPLE ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY Project ID : 0211338 Client Name: Cushman & Wakefield, Inc Project Name: One North End Avenue Field ID: 6445-2 Sample ID : AEM990 11885 Date Received: 12/9/01 Sample DescrYption : is - :i Wes - S of ~ U

Filter Composition: Porosity : 0.45 micron Flit Lot # : Filter Diameter; 25 mm Effective Filter Area: 385 mrtr Air Volume: 1749 Itr Total Filter Area Analyzed: 0.0450 mmZ

# Grid Openings: 5 Avg Grid Opening Area :0.0090 mmZ 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 0.5 urn c L c 5 um Amphibole; 0 L> sum

H: IL) i AL CHRYSOTILE STRUCTURE CONCENTRATION: LTANYL SENS structure/ B: TOTAL AMPHIBOLE STUCTURE CONCENTRATION: C: TOTAL ASBESTOS STUCTURE (A+B) CONCENTRATION. structure/crrp L1• ANYL SENS structure/crr~ AL IN AIR LT ANYL SENS structure/crrr~ ON FILTER LT ANYL SENS structure/mmZ Micrograph ID # for Reported Structures;

Reported for Ambient Labs Inc. by:

Analysis Date: 12/9/01 INNA NURIK Environmental Analyst . Overloaded, NA. Analyzed

12/13/01 THU 19:00 [T%/R% NO 8798]

NYC-WTC 000097639

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NYC-WTC_000097639Source: NYC Law Department, mirrored locally

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