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Document / 11 pages

Asbestos air sampling results for December 2001

Machine-extracted title · confidence 95%

Laboratory report detailing transmission electron microscopy analysis of air samples collected in December 2001.

NYC-WTC_000130525–000130535

Folder label: “E-Mail 1/2/02

Page image
Scanned page image, NYC-WTC_000130530
OCR text

OCR status: ocr · source: ours

NYC-WTC 000130530 NYC 9/11 Public Portal Document NYC Emergency Response Asbestos Air Sampling Results NYC ER/NJDEP Sampling Date and Time: 12/03/2001 1140 to 2317 Date Sampling Sampled 12/03/01 12/03/01 12/03/01 12/03/01 12/03/01 Sample No. 1LIB120301 2CIT120301 3FMC120301 4SHL120301 5FLD120301 Location Liberty Park CITGO Terminal FMC Terminal Shell Terminal Field Blank 12/03/01 Trip Blank Sample Volume (L) 1150** 720** 1144** 1040** NS Matrix Air Air Air Air Air Air PCM by NIOSH 7400 f/mm? f/cc <7.0 <0.002 <7.0 <0.004 <7.0 <0.002 <7.0 <0.003 <7.0 n/a NS NS Data Validation Date: 12/06/2001 TEM (AHERA) D,50 -54 0) S/mm 000022 <13.33 <8.89 <13.33 <13.33 Key: *Structure (S) roughly equivalent to fiber (f) ** Sample volume (liter) is below recommended limit for the TEM method; volume is based on pump reading *** Chrysotile n/a - Not applicable NA - Not analyzed for TEM NS - Sample not submitted PCM: Phase Contrast Microscopy by NIOSH 7400 TEM: Transmission Electron Microscopy (TEM) EPA 40CFR Part 763 (AHERA). Sample volume is below recommended limit of the method. Standard criteria: EPA 40CFR Part 763 (AHERA): 0.01 fiber/cc (PCM), 70 S/mm?, Volume 1200 L, for 25 mm filter (TEM) S~f/cc* <0.0045 <0.0048 <0.0045 <0.0049 NA Sampling Location Liberty Park CITGO Terminal FMC Terminal Shell Terminal Sampling Times 12/03/01 1140-2115 12/03/01 1300 - 1900 12/03/01 1345 - 2317 12/03/01 1407 - 2247 DEP-12-03-01

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NYC-WTC_000130530Source: NYC Law Department, mirrored locally

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