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← Document results/DEP Box 37/153 CHAMBERS STREET; Block: 140 Lot: 8 BIN: 1001503
Document / 28 pages

Asbestos testing correspondence, 153 Chambers Street, Apr 2002

Machine-extracted title · confidence 100%

Letter confirming facade asbestos testing and subsequent cleaning at 153 Chambers Street.

NYC-WTC_000106270–000106297

Folder label: “153 CHAMBERS STREET; Block: 140 Lot: 8 BIN: 1001503

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Scanned page image, NYC-WTC_000106282
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NYC 9/11 Public Portal Document

sample area TEM Asbestos (dust).CouitSlieet Client Name: Clean Air Testing Labs, Inc. bJo #: 202032040 Vo_l me (tnillite 1 300 Lab Sample It: 06 Dust_S.anple Area: 1.0 Client Sample #: D 6 Filte; Type / filter Area: MCE 214 mm2 Received: 03/10/2002 16:00:00 GsidQgeping Size;- 0.01000 Date Analyzed: 03/12/2002 Are •Examined: 0.10000 mm2 Scope# 6 Dilution Factor: 0.0033 , Magnification: 20,000 Accelerating Voltage: 100 KeV Analysis Performed by:

location Opening Fiber. Len Wi Fiber Type Morphology : EDS Orient. SAED Photo $5-4/1A 1 NSD • ES-4/1B 2 NSD U E5-4/1C 3 NSD U E5-411E 4 NSD U E5-4/1F 5 ' 1 . 7 .1 Chrysotile Matrix Mg, Si, Fe 1 DQ E5••4/1C 6 NSD U A6-4/1E 7 NSD •. U A6-4/1F 8 NSD . U A6-4110 9 NSD U A6-4/1H 10 NSD U

NSD: No Asbestos Structures Detected Comments: Structure Density Total Grid Openings: 10 (str/sq mm) ® Grid Openings Covered > 50% Chrysotile Asbestos Structures: 1 10.0 Intact Grid Opening > 50% Amphibole Asbestos Structures: 0 <10 Undissolved Filter < 10% Asbestos Structures >-5 microns: 1 10.0 Folded Replica < 50% Total Asbestos Structures: 1 10.0 Filter Loading < 25% Analytical Sensitivity: 10 Particulate Even NYC-WTC 000106282

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NYC-WTC_000106282Source: NYC Law Department, mirrored locally

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