NYC-WTC_000220400

NYC 9/11 Public Portal Document

Hillmann Environmental Group, LLC

3.2 Outside & Supply Measurements

Investigation Date; September 15,2001

12:06 71° RH

38% I (ppm)

535 I (Ppttl)

2 ] VOCs (ppm)

ZT LOD Investigation Date: September 21,2001

TEMP. ./GO VOCs TIME ii&'Rfi. (®F) (PP“) (ppm) (ppm)

12:20 73° 42% 521 LOD LOD

Investigation Date: October 4, 2001

COi CO VOCs RH (ppm) (ppm) 14:55 j 68° j 39% 532 LOD LOD

3.3 Airborne Asbestos Fiber Sample Results

Asbestos by Location IBIISi Date TEM Sampled u- (strucVcc) Kecon-meadedLlml. 0.01 Mezzanine, Back Area 9/21 0.003 Mezzanine, Adjacent to Elevator 9/21 <0.002 Penthouse Level, Large Meeting Room 9/21 <0.002 Penthouse Level, Adjacent to Entrance 9/21 <0.002 Elevator Lobby 9/21 <0.002 Lobby, Adjacent to Entrance 9/21 <0.002 A Level/ Adjacent to D Stairwell 9/21 <0.002 6* Floor, West Main Area 9/21 <0.002 9* Floor, Middle of Main Area 9/21 <0.002 22”“ Floor, West Area 9/21 <0.002 Stairwell A, by 16"’ Floor 9/21 <0.002 18* Floor, East 9/21 <0.002 Penthouse, Adjacent to Fireplace 10/4 0.002

Cushman & Wakefield/44 Wall Street, New York, NY/Project Number N3-7476 Page 6

CITY_21MC100_002388357

NYC-WTC_000220408