Asbestos air monitoring results, 114 Liberty Street

NYC-WTC_000101116 _ SciLab Job #: 203034111 Client Name: JLC Environmental Consultants | . Table I . Summary of Transmission Electron Microscopy (TEM) Results for Asbestos (air) 03-2744; NYCDEP; 114 Liberty St.; NY, NY/POST-ABATE . ; . Structure Structure : ; Air Area + Analytical = Asbestos Structures Detected Density Coacentration Type SciLab Client - Dilution Filtered Analyzed Sensitivity (Microns) (strucésq.mm.) — (struccc air) * ‘of Sample # Sample # Factor (liters) (sq.mm.) (struciccair) 0.5-5.0 >5.0 Total >5.0 Total >5.0 Total Asbestos 04/01/2003 14:19. 5? 009504 3600 24 0.0004 3.0 00 3.0 <4.2 12.5 <0.0004 0.0013 . chrysotile FINAL: 2nd Moor IWA by Restaurant, West Side 58** 009505 3600 FINAL: 2nd Floor IW by Restanrant, East Side J 59** 009506 ° . 3600 FINAL: 20d Floor WA by Restausant, South Side 60** - 009507 3600 ; FINAL: 2nd Floor IWA by Restaurant by Cashier's Desk: - bad FINAL: 2nd Fi : ; oor FWA Weight Watchers Office Opposite Elevator, Ease Side 625* 3600 : ~ ; ™~ FINAL: 2nd Floor IWA Weight Watchers Office by Liberty Street, Nosth Side { , mMris 63+ 009510 3600 . . FINAL: 2nd Floor WA Weight Waichcrs Rear Ead Office, North Side f; * 64% 0O9SI1 3600 FINAL: 2nd Floor TWA Weight Watchers Rear End Office, South Side 65** 009512 3600 | FINAL: 2nd Floor IWA Weight Waichers Rear End Office, West Side a. ~ + .* concenuaiiun represented by the detection of 1 structure a eee — ~_ ee —_ = awe o _ oe —-~ +© not analyzed . NSD: No Asbestos Swuctares Detocted Reviewed By: : Aaalyzed By: - . A NVLAP#: 200546-0 ; . Date: 3/31/03 NYC 9/11 Public Portal Document 2126799392 SCILAB NYC PAGE 66/86