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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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NYC 9/11 Public Portal Document

Client Name: GCI Environmental Advisory, Inc. sample area analyzed TI EE Job #: 201092892 Volume (liters): 990.0 Lab Sample #: 01 Filter Type / Filter Area: MCE 385 mm2 Client SamRle #: 22-9/23-53 Grid Opening Size: 0.01000 Received: 09/24/2001 17:46:01 Area Examined: 0.08000 mm2 Date Analyzed: 09/24/2001. Magnification: 20,000 Sgppe #: 7 ,Acelerating Voltage: 100 KeV Analysis Performed by: M Length Location Fiber Fiber Type Morphology EDS Orient, SAED Photo Opening width E1-84/4 1 NSD E 1-C4/4 2 NSD E l -E4/4 3 NSD E l -F4/4 4 NSD El -G4/4 5 NSD E2-C4/4 6 NSD E2-E4/4 7 NSD E2-F4/4 8 NSD

NSD: No Asbestos Structures Detected Comments Structure Density Concentration 8 (str/mm2) (str/cc air) Grid Evaluation Total Grid Openings: Chrysotile Asbestos Structures: 0 <12.5 <0.0049 ® Grid Openings Covered > 50% Amphibole Asbestos Structures: 0 <12.5 <0.0049 Intact Grid Opening > 50% Asbestos Structures >=5 microns: 0 <12.5 <0.0049 Undissolved Filter < 10% Total Non-Asbestos Structures: Folded Replica < 50% Total Asbestos Structures: 0 < 12.5 <0.0049 Filter Loading < 10% Analytical Sensitivity: 12.5 0.0049 Particulate Even

NYC-WTC 000120930

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NYC-WTC_000120930Source: NYC Law Department, mirrored locally

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