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Technical discussion on asbestos dust sampling methods

Machine-extracted title · confidence 90%

Document discussing limitations of ASTM D5755-95 and D6480-99 for asbestos fiber sampling and lack of safety standards.

NYC-WTC_000161628–000161634

Folder label: “WTC- Air Data

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Scanned page image, NYC-WTC_000161632
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DATE: 0S/21r01 z Z ■<

o o <• i 1^ WORLD TRADE CENTER AIR MONITORING TABLE Fiber Asbestos co

■D o Duration Sample PCM PCM Cone. Cone. c o Date CT o Ambient/ Sampled Volume LOD LOQ PCM TEM o' CJ> Sampled Sample ID Location Sampled Indoor (Mins) (liters) (fZmml) (f/cc) (IZee) (stmcJmmZ) ■D CJ> 09/16/01 LAB1#1 MURRAY * GREENWICH ST. AMBIENT 45 675 0.013 O o 09/16/01 LAB1#2 WASHINGTON * PARK PL 3. ro AMBIENT 30 450 0.038 03

09/16/01 302/001 VESEY ST BETWEEN CHURCH * W.BROADWAY (HOT ZONE) AMBIENT 40 600 0.024 o o 09/16/01 302/002 FULTON * CHURCH ST. AMBIENT 40 600 0.030 o c 09/16/01 302/003 FULTON BET WEEN CHURCH * BROADWAY AMBIENT 40 600 0.030 3 CD 09/16/01 10916/A207001 CITY HALL, 2ND FL, OUTSIDE JULIE MENDIK'S OFFICE INDOOR 120 1800 0.022 3 09/16/01 10916/A207002 CITY) ALL, 1ST FL - BLUE ROOM INDOOR 120 1800 0.011

09/17/01 LAB3#1 100 GOLD STREET - LOBBY AMBIENT 60 %X) 0.006 0.006 09/17/01 LAB3#2 100 GOLD STREET - 9TH FL AMBIENT 60 900 O.(X)6 0.(M)4 09/17/01 302/001 FULTON & CHURCH ST. AMBIENT 40 600 0.027 09/17/01 10917/A307001 BROADWAY & LIBERTY ST. AMBIENT 30 450 0.062 09/17/01 LAB3#001 MURRAY & GREENWICH ST. AMBIENT 45 675 0.012 09/17/01 LAB1#1 MURRAY*CHURCH ST. AMBIENT 45 675 0.013 09/17/01 10917/AiaK)01 22 RIVER TERRACE, LOBBY INDOOR 120 1800 O.IXM 09/17/01 10917/A100M)2 22 RIVER TERRACE, 9TH FL. INDOOR 120 1800 0.002 <LOQ 09/17/01 10917/A3070)3 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 40) CHAMBERS STREET (TRIBECA POINT) - LOBBY INDOOR 120 1800 0.014 09/17/01 302/002 400 CHAMBERS STREET, 9TH FLOOR INDOOR 120 18(M) 0.007 09/17/01 302AM)3 WEST END OF WARREN STREET AMBIENT 45 675 0.007 0.007 09/17/01 302/001 FULTON & CHURCH ST. AMBIENT 45 675 0.017

09/18/01 10918/A307002 225 RECTOR PL -1ITH FLOOR INDOOR 90 1350 0.044 09/18/01 302/(M)2 225 RECTOR PL - LOBBY INDOOR 90 1350 0.030 09/18/01 LAB3#1 MURRAY & GREENWICH ST. AMBIENT 30 450 0.011 09/18/01 10918/A307(M)l WARREN ST & NORTH END AVENUE AMBIENT 45 675 0.008 09/18/01 10918/A(M)3001 MURRAY & CHURCH ST. AMBIENT 35 525 0.018 09/18/01 10918/A207001 WEST ST & VESEY ST. AMBIENT 40 600 0.034 09/18/01 10918/A207002 LIBERTY & CHURCH ST. AMBIENT 30 450 0.021

09/19/01 10919/A003001 MURRAY*CHURCH ST. AMBIENT 45 675 0.007 0.014 09/19/01 10919/A100001 MURRAY * GREENWICH ST. AMBIENT 40 600 0.(M)8 <LOQ 09/19/01 302/001 FULTON * CHURCH ST. AMBIENT 45 675 0.007 0.020 09/19/01 10919/A307001 WARREN ST * NORTH END AVENUE AMBIENT 45 675 0.007 <LOQ 09/19/01 LAB 3 #2 WARREN ST* WEST ST AMBIENT 30 450 0.01 0.030 09/19/01 LAB 3 #3 WEST ST* ALBANY AMBIENT 30 450 O.OI 0.050 09/19/01 LAB 3 #4 GATEWAY PLAZA PARK AVENUE AMBIENT 30 450 0.01 0.010 09/19/01 LAB 3 #5 NORTH END* VESEY ST. AMBIENT 30 450 0.01 0.010

METHODS: 1. PCM : NIOSH 7400 METHOD, "A" COUNTING RULE. 2. TEM : EPA 40 CFR PART 763 FINAL RULE (AHERA) Page 2 of 3

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NYC-WTC_000161632Source: NYC Law Department, mirrored locally

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