NYC 9/11 Public Portal Document
BMCC, Portable Classrooms Page 3
Tiffany-Bader Envir. December 22, 2001
AIR SAMPLING RESULTS FOR FINE DUST PARTICLES ON DECEMBER 19, 2001
[After The Installation of Portable Room HEPA Filtration Units]
Location Dust Particle, Notes
g/m3
Morning Readings 10:00 am - 12:00pm
OUTDOORS, Corner Chambers and West 30
Street
OUTDOORS, Trailer W-112 20
railer W-112 2 E, H2
Trailer W-111 1 H,
railer W-110 10 W, Ho
OUTDOORS, Trailer W-109 24
railer W-109 2 E, Hi
Trailer W-108 14 Ho
Trailer W-107 5 E, H2
Trailer W-106 3 H3
Trailer W-105 5 E, Ho
OUTDOORS, Trailer W-104 26
Trailer W-104 6 W, E, H3
Trailer W-103 11 E, Ho
Trailer W-102 6 W, E, H,
OUTDOORS, Trailer W-101 19
Trailer W-101 9 C, H2
Notes:
Hn - Room has Portable HEPA Filtration Unit, the n designation indicates the fan setting
where:
Ho = Unit Off
H, = Low Speed
H2 = Medium Speed
H3 = High Speed
E - Room Unoccupied at time of Testing
W - Window Open in Room
C - Chalk in Use
NYC-WTC 000106376
OCR can misread numbers and units. Confirm readings against the page image before using them.