NYC-WTC_000195793

NYC 9/11 Public Portal Document

INDOOR AIR QUALITY ANALYSIS

Project: Newmark & Co. Real Estate, Inc. CTSI Project #.-NY-442-01 Date: October 16, 2001 100 Gold Street

LOCATION TEMPERATURE RELATIVE CO2 (PPM) CO (PPM) TOTAL VOC'S TOTAL DUST ("F) HUMIDITY LEVELS (RH%)

ass Standard = Standard = Standard = Standard = Standard = Standard= 68-74”F 30-50% 1,000 PPM 9.0 PPM Varies per 15,000 ug/m’ specific parameter Lower Level MER Fresh Air 70.5 51.7% 387 1.4 ND 75.1 Chamber Lower Level-MER 79.9 38.7% 413 1.2 ND 59.4 Lower Level Engineers Ofc. 73.8 46.9% 457 1.4 ND 77.4 2"“ Fl. Section L 75.0 40.3% 558 0.9 ND 72.0 2'"^ Fl. Office of Transport 75.1 42.1% 545 1.9 ND 63.9 2''‘‘Fl. Fiscal Operations 75.0 42.8% 504 1.9 ND 72.1 T^^rr^YCEnpowermenf^^ 74.8 42.8% 480 1.9 ND 65.5 3'‘' Fl. Section O 74.7 42.6% 476 1.0 ND 67.5 “3“' Fl. Section A 75.6 41.2% 525 0,9 ND 64.5 3”' Fl. Section N 78.5 37.6% 475 0.9 ND 67.3 a"' Fl. Section Y 76.3 40.4% 453 0.9 ND 63.1 “rn^SeciionO 76.1 41.9% 482 1.0 ND 65.0 7"’ Fl. Section A 76,3 41.5% 475 0.9 ND 66.4 o 7"' Fl. Section N 76.9 40.4% 513 0.9 ND H 7“*Fl. Section Z 74.7 42.9% 502 0.9 ND 68.1 1"^ to s O "f = degrees Fabrcnheil CO = Carbon monoxide CO: = Carbon dioxide PPM = Parts Per Million o RH = Relative humidity ND = Non Detected o Io

ro o ■SEa <WI j; =5.

NYC-WTC_000195793