NYC-WTC_000195791

NYC 9/11 Public Portal Document

INDOOR AIR QUALITY ANALYSIS

Project: Newmark & Co. Real Estate, Inc. CTSI Project #.-NY-442-01 Date: October 25, 2001 100 Gold Street

LOCATION TEMPERATURE RELATIVE CO, (PPM) CO (PPM) TOTAL VOC'S TOTAL (“F) HUMIDITY PARTICULATE (RH%) LEVELS swiwiBwwsiiEOSiS Standard = Standard = Standard = Standard = Standard = Varies; Standard= 68-74°F 30-50% 1,000 PPM 9.0 PPM per specific 0.015 mg/m^ parameter Outside 73.8 37.4 339 1.4 ND 0.400 6‘" Fl. Section-A 75.5 43.7 602 1.3 ND 0.001 6*^ Fl. Section-M 74.4 43.4 615 1.2 ND 0.001 6“’ Fl. Section-Z 74.1 46.0 673 1.3 ND 0.02 6“' Fl. Section-0 72.2 45.4 558 1.3 ND 0.001 8“' Fl. Section-A 73.2 44.8 556 1.2 ND 0.002 8*^.Fl. Section-M 73.5 44.5 676 1.2 ND 0.001 Fl. Section^ 73.7 46.3 711 1.2 ND 0.001 8^” Fl. s’ection-0 73.3 46.2 625 1.2 ND 0.001 7*'' Fl. Sectio^ 74.8 41.5 580 1.2 ND 0.004 7'" Fl. Section-M 73.9 42.1 594 1.2 ND -2:221 7‘'’ Fl. Section'^ 74.4 43.6 644 1.2 ND -2:221 7"' Fl. Section-0 74.3 43.5 631 1.2 ND 0.003 5^'’ Fl. Section'^ 74.2 39.7 534 1.1 ND 5"’ Fl. Section^M -2121 74.2 38.9 539 1.1 ND .2121 5" Fl. Section-T 72.8 43.3 587 1.2 ND 0.002 5'" Fl. Section-0 72.8 43.1 573 1.1 ND 0.003 o H — 1 K “F = degrees Fahrenheit CO = Carbon monoxide CO2 = Carbon dioxide PPM = Parts Per Million NO RH = Relative humidity ND = Non Detected I I—i

o o Io NO cn CO D9 era 033 OF

NYC-WTC_OO0195791