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EPA memorandum on WTC environmental data concealment, July 2004

Machine-extracted title · confidence 85%

EPA internal memorandum addressing allegations that NYC and EPA concealed environmental data following 9/11, with evidence not previously evaluated in an August 2003 EPA Inspector…

NYC-WTC_000153780–000153811

Folder label: “WORLD TRADE CENTER - JOHN LADUCA FILES

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NYC 9/11 Public Portal Document

WORLD TRADE CENTER AIR MONITORING TABLE Fiber Asbestos Duration Sample PCM Cone. Cone. Date Ambient/ Sampled Volume LOQ PCM TEM Sampled Sample ID Location Sampled Indoor (Mins) (liters) (fZcc) (f/cc) (struc./nim2) PERIMETER SAMPLES 9/18/01 10918/A003001 MURRAY & CHURCH ST AMBIENT 35 525 0.018 110.24 9/18/01 302/001 FULTON & CHURCH ST. AMBIENT 40 600 0.027 overload 9/18/01 L/kB3#l MURRAY & GREENWICH ST AMBIENT 30 450 0.011 <7.87 9/18/01 I0918/A207002 LIBERTY & CHURCH ST. AMBIENT 30 450 0.021 overload 9/18/01 10918/A307001 WARREN ST & NORTH END AVENUE AMBIENT 45 675 0.008 52.49 9/18/01 10918/A207001 WEST ST & VESEY ST. AMBIENT 40 600 0.034 157.48 INDOOR SAMPLES 9/18/01 10918/A307002 225 RECTOR PL - 1ITH FLOOR INDOOR 90 1350 0.044 overload 9/18/01 302/002 225 RECTOR PL - LOBBY INDOOR 90 1350 0.030 nsuff. Material

PERIMETER SAMPLES 9/19/01 10919/A003001 MURRAY & CHURCH ST AMBIENT 45 675 0.014 122.48 9/19/01 302/001 FULTON & CHURCH ST. AMBIENT 45 675 0.020 overload 9/19/01 10919/A100001 MURRAY & GREENWICH ST. AMBIENT 40 600 0.01 <LOQ 9/19/01 10919/A3O7001 WARREN ST & NORTH END AVENUE AMBIENT 45 675 0.01 <LOQ BATTERY PARK CITY NORTH END 9/19/01 302/003 RIVER TERRACE & PARK PL WEST AMBIENT 45 675 0.01 <LOQ 9/19/01 302/002 RIVER TERRACE & CHAMBERS ST AMBIENT 45 675 0.012 6.75 9/19/01 LAB 3 #5 NORTH END AVE & VESEY ST. AMBIENT 30 450 0.010 overload 9/19/01 LAB 3 #2 WEST ST & WARREN ST. AMBIENT 30 450 0.030 149.61 9/19/01 10919/A307002 NORTH END AVE & PARK PL WEST AMBIENT 45 675 0.050 <8.75 9/19/01 10919/A3O7003 RIVER TERRACE & VESEY ST AMBIENT 45 675 0.012 17.50 SOUTH END 9/19/01 10919/A307004 SOUTH END AVE & ALBANY ST AMBIENT 45 675 0.013 overload 9/19/01 10919/A307005 RECTOR PL BY THE PARK AMBIENT 45 675 0.01 <LOQ 9/19/01 302/004 W. THAMES ST - ALONG WATERFRONT AMBIENT 45 675 0.01 <LOQ 9/19/01 302/005 THIRD PL & BATTERY PL - WATERSIDE AMBIENT 45 675 0.01 <LOQ 9/19/01 LAB 3 #3 WEST ST & ALBANY AMBIENT 30 450 0.050 overload 9/19/01 LAB 3 #4 GATEWAY PLAZA PARK AVE AMBIENT 30 450 0.010 31.50

PERIMETER SAMPLES 9/20/01 10920/A003001 MURRAY & CHURCH ST. AMBIENT 45 675 0.01 <LOQ 9/20/01 302/001 FULTON & CHURCH ST. AMBIENT 45 675 0.01 <LOQ 9/20/01 L/VB3 #1 MURRAY & GREENWICH ST. AMBIENT 30 450 0.01 <LOQ 9/20/01 10920/A307001 WARREN ST. & NORTH END AVE AMBIENT 45 675 0.01 <LOQ 9/20/01 302/002 CEDAR & CHURCH STREETS AMBIENT 45 675 0.01 <LOQ BATTERY PARK CITY NORTH END 09/20/01 302/005 RIVER TERRACE AND PARK PLACE AMBIENT 30 450 0.01 <LOQ 9/20/01 302/006 RIVER TERRACE AND CHAMBERS ST AMBIENT 30 450 0.01 <LCX3 9/20/01 LAB3 #4 WARREN ST. & NORTH END AVE AMBIENT 30 450 0 01 <LOQ 9/20/01 LAB3 #5 NORTH END AVE & RIVER TERRACE AMBIENT 30 450 001 <LOQ 9/20/01 10920/A307002 NORTH END AVENUE & PARK PL AMBIENT 45 675 0.01 <LOQ 9/20/01 10920/A307003 RIVER TERRACE AT THE PARK AMBIENT 45 675 0.01 <LOQ SOUTH END 9/20/01 10920/A3070O4 SOUTH END AVENUE AND ALBANY ST. AMBIENT 45 675 0.01 <LOQ 9/20/01 10920/A307005 RECTOR PLACE - AT THE PARK AMBIENT 45 675 0 01 <LOQ 9/20/01 302/003 WEST THAMES STREET AMBIENT 35 525 0.01 <LOQ 9/20/01 302/004 THIRD PLACE & BATTERY PL. AMBIENT 30 450 001 <LC>Q 9/20/01 LAB3 #2 SOUTH END AVE. & THAMES ST. AMBIENT 30 450 0.01 0.010 15.75 9/20/01 LAB3 #3 GATEWAY PLAZA PARK AVENUE AMBIENT 35 525 0.01 <LOQ

PERIMETER SAMPLES 9/21/01 10921A040001 MURRAY & CHURCH ST. AMBIENT 45 675 0.01 <LOQ 9/21/01 302/001. FULTON & CHURCH ST. AMBIENT 45 675 0.008 <7.87 9/21/01 LAB3#1 MURRAY & GREENWICH ST. AMBIENT 35 525 0.01 <LOQ 9/21/01 10921A307001 WARREN ST & NORTH END AVENUE AMBIENT 45 675 O.OI <LOQ BATTERY PARK CITY NORTH END 9/21/01 302/004 RIVER TERRACE & PARK PL WEST AMBIENT 45 675 0.01 <LOQ 9/21/01 302/005 RIVER TERRACE & CHAMBERS ST AMBIENT 45 675 0.01 <LOQ 9/21/01 LAB3 #5 NORTH END AVE & RIVER TERRACE AMBIENT 30 450 0.020 55.12 9/21/01 LAB3#2 WEST ST & WARREN ST. AMBIENT 35 525 0.010 78.74 9/21/01 10921/A307002 NORTH END AVE & PARK PL WEST AMBIENT 45 675 0.01 <LOQ 9/21/01 10921/A307003 RIVER TERRACE & VESEY ST AMBIENT 45 675 0.01 <LOQ SOUTH END 9/21/01 10921/A307004 SOUTH END AVE & ALBANY ST AMBIENT 45 675 001 <LOQ 9/21/01 10921/A307005 RECTOR PL BY THE PARK AMBIENT 45 675 0 01 <LOQ 9/21/01 302/003 W. THAMES ST - ALONG WATERFRONT AMBIENT 40 600 0.01 <LOQ 9/21/01 302/002 THIRD PL & BATTERY PL- WATERSIDE AMBIENT 45 675 0.009 78.74 9/21/01 LAB 3 #4 WEST ST & ALBANY AMBIENT 30 450 <0.011 9/21/01 LAB 3 #3 GATEWAY PLAZA PARK AVE AMBIENT 34 510 0.014 overload

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