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DATE: 10/02/01
WORLD TRADE CENTER AIR MONITORING TABLE Fiber Asbestos
Duration Sample PCM Conc Conc.
Date Ambient/ SampledVolume LOQ PCM TEM
Sampled Sample ID Location Sampled Indoor (Mis) (liters) (f/ce) (f/ce) (struc./mm2)
09/15/01 302-2 VESEY BETWEEN CHURCH & GREENWICH ST. AMBIENT 40 0.035 overload
NYC-WTC_000148359
450
PERIMETER SAMPLES
09/16/01 10916/A207003 MURRAY & CHURCH ST. AMBIENT 30 450 0.030 78.74
09/16/01 302/002 FULTON & CHURCH ST. AMBIENT 40 600 0.030 overload
NYC 9/11 Public Portal Document
09/16/01 LABI#1 MURRAY & GREENWICH ST. AMBIENT 45 675 0.013 78.74
09/16/01 10916/A307001 LIBERTY ST. & BROADWAY AMBIENT 35 525 0.010 overload
09/16/01 10916/A307002 CEDAR ST. & BROADWAY AMBIENT 40 600 0.030 overload
09/16/01 10916/A207004 MURRAY BETWEEN CHURCH & BROADWAY AMBIENT 45 675 0.050 overload
09/16/01 302/003 FULTON BET WEEN CHURCH & BROADWAY AMBIENT 40 600 0.030 121.69
HOT ZONE SAMPLES
09/16/01 LAB1#2 WASHINGTON & PARK PL AMBIENT 30 450 0.038 102.36
09/16/01 302/001 VESEY ST BETWEEN CHURCH & W.BROADWAY AMBIENT 40 600 0.024 overload
INDOOR SAMPLES
09/16/01 10916/A207001 CITY HALL, 2ND FL, OUTSIDE JULIE MENDIK'S OFFICE INDOOR 120 1800 0.022 overload
09/16/01 10916/A207002 CITY HALL, IST FL - BLUE ROOM INDOOR 120 1800 0.011 39.37
PERIMETER SAMPLES
09/17/01 LAB1#1 MURRAY & CHURCH ST. AMBIENT 45 675 43.74
0.013
09/17/01 302/001 FULTON & CHURCH ST. AMBIENT 45 675 0.017 overload
09/17/01 LAB3#001 MURRAY & GREENWICH ST. AMBIENT 45 675 61.24
0.012
09/17/01 10917/A307001 LIBERTY ST. & BROADWAY AMBIENT 30 450 0.062 overload
HPD BUILDING
09/17/01 LAB3#1 100 GOLD STREET - LOBBY AMBIENT 60 900 0.006 22.50
09/17/01 LAB3#2 100 GOLD STREET - 9th FL AMBIENT 60 900 0.006 <11.25
BATTERY PARK CITY
09/17/01 10917/A100001 22 RIVER TERRACE, LOBBY INDOOR 120 1800 0.004
09/17/01 10917/A100002 22 RIVER TERRACE, 14th FL. INDOOR 120 1800 0.002 <LOQ
09/17/01 10917/A307003 41 RIVER TERRACE (TRIBECA POINT) - LOBBY INDOOR 90 1350 0.002 <LOQ
09/17/01 10917/A307004 41 RIVER TERRACE (TRIBECA POINT) -PHB INDOOR 90 1350 0.003
09/17/01 10917/A307002 400 CHAMBERS STREET (TRIBECA POINT) - LOBBY INDOOR 120 1800 0.014 19.69
09/17/01 302/002 400 CHAMBERS STREET, 9TH FLOOR INDOOR 120 1800 0.007 <19.69
09/17/01 302/003 WEST END OF WARREN STREET AMBIENT 45 675 0.007
PERIMETER SAMPLES
09/18/01 10918/A003001 MURRAY & CHURCH ST. AMBIENT 35 525 0.018 110.24
09/18/01 302/001 FULTON & CHURCH ST. AMBIENT 40 600 0.027 overload
09/18/01 LAB3#1 MURRAY & GREENWICH ST. AMBIENT 30 450 0.010 <7.87
09/18/01 10918/A207002 LIBERTY & CHURCH ST. AMBIENT 30 450 0.021 overload
METHODS: 1. PCM : NIOSH 7400 METHOD, "A" COUNTING RULE. 2. TEM : EPA 40 CFR PART 763 FINAL RULE (AHERA) Page 2 of 11
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