NYC-WTC_000231431

NYC 9/11 Public Portal Document

^SciLaBTob #F^11(5i87 E” EZE EEZ EZE ZEE Client Name: Riverpoint, Inc. Table I Sununary of Transmission Electron Microscopy (TEM) Results for Asbestos (air) 101171; WTCDEP; WTC Structure Structure Air Area * Analytical Asbestos Structures Detected Density Concentration Type SciLab Client Dilution Filtered Analyzed Sensitivity (Microns) (struc/sq. mm.) (struc/cc air) of Sample # Sample # Factor (liters) (sq. mm.) (struc/cc air) 0.5-5.0 >5.0 Total >5.0 Total >5.0 Total Asbestos

15 011017 675 .1 0.0057 0.0 0.0 0.0 <10 <10 <0.0057 <0.0057 NSD Park Pl/Church 16 021017 652 .1 0.0059 0.0 0.0 0.0 <10 <10 <0.0059 <0.0059 NSD Park Pl/Greenwich 17 061017 675 .1 0.0057 0.0 0.0 0.0 <10 <10 <0.0057 <0.0057 NSD Wairen/North End 18 051017 690 .1 0.0056 0.0 0.0 0.0 <10 <10 <0.0056 <0.0056 NSD Fulton/Church 19 201017 675 .1 0.0057 0.0 0.0 0.0 <10 <10 <0.0057 <0.0057 NSD Vesey/West Broadway 20 05101S 690 .1 0.0056 0.0 0.0 0.0 <10 <10 <0.0056 <0.0056 NSD Fulton/Church 21 021019 675 .1 0.0057 0.0 0.0 0.0 <10 <10 <0.0057 <0.0057 NSD Park Pl/Greenwich 22 201019 720 .1 0.0053 0.0 0.0 0.0 <10 <10 <0.0053 <0.0053 NSD Vesy/West Broadway 23 021020 652 .1 0.0059 0.0 0.0 0.0 <10 <10 <0.0059 <0.0059 NSD Park Pl/Greenwich 24 061020 675 .1 0.0057 0.0 0.0 0.0 <10 <10 <0.0057 <0.0057 NSD Warren/North End 25 051020 675 .1 0.0057 0.0 0.0 0.0 <10 <10 <0.0057 <0.0057 NSD Fulton/Church 26 201020 652 .1 0.0059 0.0 0.0 0.0 <10 <10 <0.0059 <0.0059 NSD o Vesey/West Broadway H 0.0057 0.0 <10 <10 <0.0057 <0.0057 NSD h: 27 011021 675 .1 0.0 0.0 I K) Fulton/Church S 28 191022 675 .1 0.0057 0.0 0.0 0.0 <10 <10 <0.0057 <0.0057 NSD O Trinity Pl/Juames o o * concentratioa represented by the detection of 1 structure I o ** not analyzed o Bate. 10/23/01 co NSD; No Asbestos .Structures Detected Reviewed By; ; Analyzed By:. co co Aleksandr Barengolts o co NVLAP#: 200546-fl Cn

NYC-WTC_000231559