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← Document results/DEP Box 36/5 DEY STREET Block: 68 Lot: 12 BIN: 1001071 7 Dey Street
Document / 22 pages

Asbestos laboratory report transmission for 5 DeKalb Avenue, January 2002

Machine-extracted title · confidence 85%

Facsimile cover sheet transmitting asbestos analysis results from a laboratory to the DEP.

NYC-WTC_000103183–000103204

Folder label: “5 DEY STREET Block: 68 Lot: 12 BIN: 1001071 7 Dey Street

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NYC 9/11 Public Portal Document FROM FRX NO. : Sep. 21 2001 04:56PM P2

TEM Asbestos (air) Count Sheet sample area analyzed

(:lienr. Name: North Atlantic Laboratories, Inc. Joh #: 201102414 Volume (liter); 1 200.0 Lab Sample #: 01 Filter Type / Filter Area: MCE 385 mm2 Client Sample #: I Grid Opening Size: 0.01000 Received; 10/15/2001 15:08:57 Area examined: 0.10000 mm2 Dale Analyzed: 10/18/2001 Magnification: 20,000 Soo Acceleratin g Voltage: 100 KeV Analysis Performed by: Glenn Massey Lrx.ation Grid Length Width Opening ribcr f1.M I'ibcr Type Morphology tins Orient SAL I) Photo RM 136-4/6C I NSD B6-4/6E 2 NSD U 136-4/6F 3 NSD U B6.4/6G 4 NSD U B6-4/611 5 NSD Li 1i7-4/3C 6 1 3.3 0.15 Chrysotile Cluster Mg, Si, Fe / Q~ 137-4/3F, 7 NSI) U 137-4/3F 8 NSD LJ rr7-4/30 9 NSD U H7-4/311 10 1 6.3 0.10 Chrysotile Matrix Mg, Si. Fe / 29

NSD: No Asbestos Structures Detected Comments Structure Density Concentration Total Grid Openings: 10 (str/mm2) (str/cc air) Grid Evalutgtion Chrysotile Asbestos Structures: 2 20.0 0.0064 Grid Openings Covered > 50% Amphibole Asbestos Structures: 0 <10 <0.0032 intact Grid Opening > 50% Asbestos Structures >=5 microns: 1 10.0 0.0032 Undissolved Filter < 10% Total Non-Asbestos Structures: Folded Replica < 50% Total Asbestos Structures. 2 20.0 0.0064 Filter Loading < 10% Analytical Sensitivity: 10 0.0032 Particulate Even

NYC-WTC 000103194

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NYC-WTC_000103194Source: NYC Law Department, mirrored locally

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