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← Document results/DEP Box 48/22 RIVER TERRACE Block: 16 Lot: 190 BIN: 1085929 Park Place, Warren Street
Document / 49 pages

Air quality analysis report, 22 River Terrace, Sep 2001

Machine-extracted title · confidence 95%

Laboratory report on ambient air samples collected at 22 River Terrace indicating levels below recommended asbestos criteria.

NYC-WTC_000120885–000120933

Folder label: “22 RIVER TERRACE Block: 16 Lot: 190 BIN: 1085929 Park Place, Warren Street”

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Scanned page image, NYC-WTC_000120926
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

sample area analyzed

Client Name: GCI Environmental Advisory, Inc. 1 Job #: 201092763 Volume (,liters)- 900.0 Lab Sample #: 04 Filter Type / Filter Area: MCE 385 mm2 Client. Sample #: 22-20D-9/21-12 Grid Opening Size: 0.01000 Received: 09/22/2001 17:15:00 Area Examined: 0.10000 mm2 Date Analyzed: 09/22/2001 Magnification: 20,000 Scope #: Accelerating Voltage: 100 KeV Analysis Performed by: Aleksandr Barengolts Grid Length Width Location Opening Fiber µgm µM Fiber Type Morphology EDS Orient. SAED Photo

B&5 1 NSD (~ BS 5l 2 NSD u 88-5l 3 NSD B8-5 4 NSD B8-5l i 5 NSD B85j P11 6 NSD B9-3; 7 NSD B93 8 NSD B9-3 9 NSD B9-3{ 10 NSD

NSD: No Asbestos Structures Detected Comments Structure Density Concentration Total Grid Openings: 10 (str/ nnl2) (str/cc air) Grid Evaluation Chrysotile Asbestos Structures: 0 <10 <0.0043 Grid Openings Covered > 50(/T Amphibole Asbestos Structures: 0 <10 <0.0043 ® Intact Grid Opening > 50% Asbestos Structures >=5 microns: 0 <10 <0.0043 ® Undissolved Filter < 10% Total Non-Asbestos Structures: Folded Replica < 50% Total Asbestos Structures: 0 <10 <0.0043 Filter Loading < 10% Analytical Sensitivity: 10 0.0043 Particulate Even

NYC-WTC 000120926

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NYC-WTC_000120926Source: NYC Law Department, mirrored locally

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