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Asbestos air TEM results summary, NYC DEP, March 2003

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Summary of transmission electron microscopy results for asbestos in air samples for the NYC Department of Environmental Protection project.

NYC-WTC_000186865–000186869
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NYC 9/11 Public Portal Document

SciLabJob#: 203034111 Clienl Name: JLC Environmental Consultants cs Table I Summary of Transmisaon Electron Microscopy (TEM) Results for Asbestos (air) (S 03-2744; NYCDEP; 114 Liberty St; NY. NY/POST-AB ATE ca GJ

Structure Structure Air Area * Analylical Asbestos Structures Detected Density Concentration Type SciLab Client Dilution Filtered Analyzed Sensitivity (Microns) (stnic/sq. mm.) (stnjc7cc air) of LD Sample# Sample # Factor (liters) (sq.mm.) (siruc/cc air) 0.5-5.0 >5.0 Total >5.0 Total >5.0 Total Asbestos 15’* 009462 3600 ND PINAL; 10th Floor. Center S W aedrooHi 'Simple Overloaded w/Particulalc-Unable To Analyze" f-O CT 16 009463 3600 .24 0.0004 13.0 4.0 17.0 16,7 708 0.0018 0.0076 chrysotile lD FINAL: 9th Floor Center of Living Room lD GJ lD 17 009464 3600 .24 0.0004 34,0 40 38.0 16.7 158.3 00018 0.0169 chrysotile •'J FINAL: *>111 Floor, South of Dining Room 18 009465 3600 .24 0.0004 28.0 30 31.0 12.3 129 2 0.0013 00138 chrysotile FINAL; 9lh Hoor. West End of Kitchen 19 D09466 3600 .24 0.0004 15.0 3.0 180 12.5 7.5.0 0.0013 0.0080 chrysotile FINAL: 9th Floor, SE Bedroom, Center of Room 20 009467 3600 .24 0.0004 15.0 1.0 16.0 42 66.7 0.0004 o.tmi chiysolile FTNAI^ 90) Floor, S W Bedroom, (Tenter of Room 21 009468 3600 .13 0.0008 47 0 3(1 50.0 23.1 384 6 0,0025 0.0411 (.hrysislilc tn o FINAL: Sth Floor IWA by Livios Room North Side amphibole hl n 009469 3600 .24 00004 37-0 4.0 41.0 16.7 3> 22 170.8 0.0018 0.0183 chrysotile tx) FINAL: Sth Floor IWA by Dining Room, Ea&t Side amphibole O 23*» 009470 3600 O

FINAL: 8lh Flow IWA by Kitchen, West Side "Sample Overloaded w/Parliculatc-Unable To Analyze" o 24 009471 3600 .24 0.0004 32.0 2.0 34.0 8.3 141,7 0.0009 0.0152 m chrysotile FINAL: 81h Root IWA by SE Bedroom, Southeast 25 009472 3600 .24 0.0004 23.0 3.0 26.0 12.5 1083 0.0013 00116 chrysotile o FINAL; 8lh Hoot IWA Bedroom, Southwest 20 amphibole

e 00 26 009473 3600 .24 0.0004 33.0 6.0 39.0 250 J 62.5 0.0027 0.0174 chrysotile FINAL: 7th Flow IWA by Living Room, North Side amphibole > 3600 .24 2.0 z 27 009474 0.0004 11.0 13 0 8.3 54.2 0.0009 0.0058 ehtyioiile z FINAL: 7th Hoot IW by Dining Room. East Side > 28*» 009475 3600 FINAL; 7lh Floor IWA by Kitchen. West Side "Sample Overloaded wlParlicuiale-Unable To Analyze" D (Z) c 00 * concen Wliun represented by the deieviion of 1 stmehue ** not aoalyreil s NSD: No Asbestos SUuctures Detected Reviewed By; ; Analyzed By: f f Oate; 3/31703 GJ o o Paul J. Macha '*0 o o NVLAP#: 2(J<1546.0 ro cn

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NYC-WTC_000186866Source: NYC Law Department, mirrored locally

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