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← Document results/DEP Box 37/153 CHAMBERS STREET; Block: 140 Lot: 8 BIN: 1001503
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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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NYC 9/11 Public Portal Document

Sample area TEM Asbestos (dust) Count Sheet analyzed

Client Name: Clean Air Testing Labs, Inc_ Job #: 202032040 yolpme (millitersL: 50 Lab Sample #: 03 Dust •Sagiple Area; 10 Client Sample #: D 3 Filter Type / Eliter Area: MCE 214 mrn2 Received: 03/10/2002 16:00:00 Grid Opening Siz: 0.01000 DateAnalyzed: 03/12/2002 Area Examinedi 0.10000 mm2 Scoff#: 6 dilution Factor 0.0200 M fc lion: 20,000 Acceleratin~VaIta e: 100 KeV Analysis Performed by: fl Alcks& Barengolts Grid Length Width Fiber Type Morphology EDS Orient. SAED Photo Location Opening Fiber 'eM AM D4-4/4B 1 NSD D4-4/4C 2 NSD U D44/4E 3 NSD U D4-4/4F 4 NSD Li U U D4-4/4G 5 NSD D5-4/4B 6 NSD U D5-4/4C 7 NSD U D5-.4/4E 8 NSD D5-4/4F 9 NSD U D5-4/43 10 NSD •. Li

NSD: No Asbestos Structures Detected Co3ri ents: Structure Density (rid Evaluation Total Grid Openings: 10 (str/sq ruin) ® Grid Openings Covered > 50% Chrysotile Asbestos Structures: 0 <10 Intact Grid Opening > 50% Amphibole Asbestos Structures: 0 <10 Undissolved Filter < 10% Asbestos Structures >=5 nhicrons: 0 <10 Folded Replica < 50% Total Asbestos Structures: 0 <10 Filter Loading < 25% Analytical Sensitivity: 10 Particulate Even

NYC-WTC 000106289

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NYC-WTC_000106289Source: NYC Law Department, mirrored locally

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