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Air sample results for carpet at 100 Church Street, Jan-Feb

Machine-extracted title · confidence 95%

Laboratory report listing OSHA PEL compliance data for air samples collected from carpets at 100 Church Street between January and February 2002.

NYC-WTC_000174315–000174326
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NYC 9/11 Public Portal Document

Table 2 Air Samples - Carpet OSHA PEL New York City Law Department 100 Church Street New York

Sample ID; OSHA0325 OSHA0326 OSHA0329 OSHA0330 OSHA0331 OSHA0332 OSHA0335 OSHA0336 OSHA0337 OSHA0338 OSHA0341 OSHA0342 OSHA0345 OSHA0346 OSHA0347 OSHA0348 Lab Sample ID: 3 4 1 2 3 4 1 2 3 4 1 2 1 2 3 4 Sample Dale; 3/6/02 3/6/02 3r7l02 3/7/02 3/7/02 3/7/02 3/8/02 3/8/02 3/8/02 3/8/02 3/9/02 3/9/02 3/11/02 3/11/02 3/11/02 3/11/02 Start Time; 12:30 12:31 6:14 6:16 12:30 12:33 6:17 6:18 12:32 12:33 7:10 7:12 6:30 6:40 13:00 13:01 Sample Type: Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Floor:

Wilson Jose Franciso Franciso Wilson Wilson Wilson Ramon Ramon Name of Personnel : Bueno Adorino Luis Bueno Valena Luis Bueno Valena Mike Green Bueno Mike Green Bueno Mike Green Bueno Mante Luis Bueno Mante Luis Bueno

ASBESTOS (fibers/cc) <0.004 0.021 0.025 0.029 0.007 0.013 0.136 0.007 0.075 <0.004 <0.003 0.005 <0.004 <0.004 <0.004 <0.004

TEM Quality Control

ASBESTOS (structu-es/mm^) NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS

< Indicates less than the limit of quantification 70 siructures/mm* = AHCRA re-occupancy criteria for school children NQCS = No quality control sample taken (1) Analyst was unable to quantify fiber concentration because of overloading of particulate matter on the filter. (2) Moderate to heavy particulate matter is present on the filter which may obscure some fibers causing resuHs with a low bias.

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NYC-WTC_000174322

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NYC-WTC_000174322Source: NYC Law Department, mirrored locally

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