NYC-WTC_000195790

NYC 9/11 Public Portal Document

INDOOR AIR QUALITY ANALYSIS Project: Newmark & Co. Real Estate, Inc. CTSI Project A'NY-442-01 Date: October 17, 2001 100 Gold Street LOCATION TEMPERATURE RELATIVE COi (PPM) CO (PPM) TOTAL VOC'S TOTAL DUST (”F) HUMIDITY LEVELS (RH%) 0=^ Standard = Standard = Standard = Standard = Standard = Varies per Standard^ 68-74°F 30-50% - 1,000 PPM 9.0 PPM specific parameter 15,000 ug/m^ L' Fl.-Lobby 72.6 30.9 618 1.1 ND 80 Ambient/Sidewalk 63.7 34.1 384 1.2 ND 81.8 8‘'' Fl. Seclion-A 73.2 28.8 535 0.9 ND 77.5 8"' Fl. Section-M 74.9 28.9 575 0.9 ND 63.6 8“’ Fl. Section-Z 73.8 29.9 549 0.9 ND 65.6 8“’ Fl.-Section-0 71.7 29.7 451 1.0 ND 61.9 6“’ Fl. Section-A 74.6 28.3 475 0.9 ND 71.0 6‘'' Fl. Section-M 76.1 27.7 508 0.9 ND 67.2 6"' Fl. Section-Z 75.6 28.3 549 1.0 ND 63.1 6‘" Fl. Section-Q 71.5 28.6 440 1.0 ND 62.7 4'" Fl. Section-A 75.9 28,8 643 0.9 ND 65.8 4"’ Fl. Section-M 78.9 26.2 542 0.9 ND 62.8 4''' Fl. Section-Y 74.9 26.6 435 1.0 ND 62.5 4“’ Fl. Section-0 74.8 26.4 454 1.0 ND 62.3 3"‘ Fl. Section-0 73.5 27.6 476 0.9 ND 62.5 3'^'' Fl. Section-A 75.7 27.5 544 0.9 ND 65.6 3"' Fl. Section-M 78.5 25.2 508 0.9 ND 61.9 3"‘ Fl. Section-Z 75.5 26.3 446 1.0 ND 61.8 Lower Level-MER 78.9 33.1 452 1.1 ND 69.5 o H F' Fl. Lobby 77.2 26.2 66.5 1.1 ND 74.7 K I Lt.;- . to

s O "F = degrees Fahrenheit CO = Carbon monoxide CO2 = Carbon dioxide PPM = Parts Per Million RH = Relative humidity ND = Non Detected o o I o

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NYC-WTC_000195790