Asbestos air TEM results summary, NYC DEP, March 2003

NYC 9/11 Public Portal Document

SciLabJob#; 203034111 Client Name; JLC Environmental Consultants cs Table I 's. cs Summary of Transmission Electron Microscopy (TEM) Results for Asbestos (air) w CD 03-2744; NYCDEP; 1L4 Liberty St .; NY, NY/POST-AB ATE (S GJ Structure Structure Air Area * Analytical Asbestos Structures Detected Density Concentration Type Ji SciLab Client Dilution Ftllcred Analyzed Sensitivity (Microns) (struc/sq. mm.) (struc/cc air) of LD Sample# Sample# Factor (liters) (sq. nun.) (struc/cc air) 0.5-50 >5.0 Total >5.0 Total >5.0 Total Asbestos 4J 009490 3600 .24 0.0004 t-0 2.0 3.0 8.3 12.5 00009 0.0013 chrysotile rj FINAL: 4th Floor, Center of Kitchen ro 44 009491 3600 .24 0.0004 5.0 1.0 OlO 4.2 0.0004 CP 250 0.0027 chcysalitc iP FINAL: 4lh Floor, SE Bedroom iD GJ 45 009492 3600 .24 0.0004 3.0 2.0 5.0 83 20.8 0.0009 0 0022 chrysotile to hO niNAJ / 4lh Hoot, SW Bedroom 46 009493 3600 24 00004 5.0 00 50 <4.2 20.S <0.0004 0.0022 chrysotile FINAL: 3rtl Floor IWA Bedroom#!. North Si<ie 47 009494 3600 .24 0.0004 40 0.0 4.0 <4 2 16.7 <0.0004 0 0018 chrysotile FINAL: 3rd Hoof IWA Bedroom #2, Eait Side amphihole 48 009495 3600 .24 0.0004 2.0 00 2.0 <4.2 83 <00004 0.0009 chrysotile FINAL; SfdHoorlWAby Living Room, East Side 49 009496 3600 .24 00004 0.0 0.0 0.0 <4.2 <4.2 <0.0004 <0.0004 NSD cn FINAL: Jrd Floor IWA by Living Room, Southeast o 50 009497 3600 .24 0.0004 40 0.0 40 <4.2 16.7 <0.0004 0 0018 ctnysotUe i> 00 FINAL: 3rd Floor IWA Bedroom#3, Southwest z O 51 009498 364X1 .24 0.0004 1.0 0.0 10 <4 2 4.2 < <0.0004 0.0004 chiy&olile o 1^ FINAL; 3rd Hour IWA Reception Office, East Side o 52 009499 3600 .24 00004 1,0 0.0 1.0 <4.2 4.2 <00004 0.0004 chrysotile m "0 FINAL: 3rd Floor IWA North Side Office by Ufaeity Street § 53 009500 3600 .24 0.0004 2.0 0.0 2.0 <42 8,3 <0.0001 0.0009 chrysotile O FINAL; 3rd Floor IWA Examinadon Room, South Side 30 00 54 009501 3600 24 0.0004 2.0 0.0 2.0 <4.2 8.3 <0.0004 0.0009 chrysotile FINAL; 3td Floor IWA Mini Office Adj. to Bathroom. North Side 'o > 55 009502 3600 .24 00004 00 0.0 0.0 <4.2 <4.2 <0.0004 <0.0004 NSD z z FINAL; 3nl Floor IWA Administration Office, West Side > 56 009503 3600 .24 0.0004 2.0 0.0 20 <4.2 8.3 <0.0004 0.0009 chrysotile ic FINAL: 2nd Floor IWA by Restaurant. North Side

* conccBtiauoa icprescnied by the dcicc Don of I structure 00 ** not aoatyred NSl> No .Aibeslos Structures Delected Reviewed By. ; Analyzed By .______ Date; 3/31/03 C3 o cn o Paul J. o cs o NVLAP#: 200546-0 cn o

NYC-WTC_000186868