NYC-WTC_000195795

NYC 9/11 Public Portal Document

INDOOR AIR QUALITY ANALYSIS

Project: Newmark & Co. Real Estate, Inc. CTSI Project #.-NY-442-0! Date: October 25, 2001 100 Gold Street

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

Standard = Standard = Standard = Standard = Standard = Varies Standard= 68-74'^ 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 o'’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 8^” Fl. Section-Z 73.7 46.3 711 1.2 ND 0.001 8^^ Fl. Section-0 73.3 46.2 625 1.2 ND 0.001 7“’ Fl. Section-A 74.8 41.5 580 1.2 ND 0.004 Y*' 1’1. Section-M 73.9 42.1 594 1.2 ND 0.005 7''' Fl. Section-Z 74.4 43.6 644 1.2 ND 0.003 7'''Fl. Section-O 74.3 43.5 631 1.2 ND 0.003 5“^ Fl. Section-A 74.2 39.7 534 1.1 ND 0.004 5‘'’ Fl. Section-M 74.2 38.9 539 1.1 ND 0.003 5'1' Fl. Section-Z 72.8 43.3 587 1.2 ND 0.002 o 5‘'' Fl. Section-O 72.8 43.1 573 1.1 ND 0.003 H K I “F = degrees Fahrenheit CO = Carbon monoxide CO^ = Carbon dioxide PPM = Parts Per Million K> (—1

S RH = Relative humidity ND = Non Detected o o o I o

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NYC-WTC_000195795