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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; OSHA0353 OSHA0354 OSHA0355 OSHA0356 OSHA0354 OSHA0355 OSHA0356 OSHA0357 OSHA0365 OSHA0366 OSHA0367 OSHA0368 OSHA0201 OSHA0202 OSHA0203 OSHA0204 Lab Sample ID: 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Sample Date: 3/12/02 3/12/02 3/12/02 3/12/02 3/13/02 3/13/02 3/13/02 3/13/02 3/14/02 3/14/02 3/14/02 3/14/02 3/15/02 3/15/02 3/15/02 3/15/02 Start Time; 6:11 6:12 12:30 12:31 6:16 6:16 12:27 12:28 6:10 6:11 13:00 13:01 6:30 6:31 12:30 12:32 Sample Type: Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Air Floor:

Migue Manuel Miguel Manuel Ruban Ceasar Ruban Ceasar Ceasar Fabien Ceasar Fabien Name of Personnel: Reynoso Gonzalez Reynoso Gonzalez Reyes Rodriguez Reyes Rodriguez Rodriguez Pereyna Rodriguez Pereyna Mike Green Daniel Reilly Mike Green Daniel Reilly

ASBESTOS (fibers/cc) <0.004 <0.004 <0.004 <0.004 <0,004 <0.004 <0.004 <0.004 0.010 (2) 0.013(2) 0.006 (1) 0.011 0.005 0.013 <0.004

TEM Quality Control

ASBESTOS (strudures/mn?) NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS NQCS

< Indicates less than the limit of quantification 70 structures/mm^ = AHERA 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 finer. (2) Moderate to heavy particulate matter is present on the filter which may obscure some fibers causing results with a low bias.

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NYC-WTC_000174323Source: NYC Law Department, mirrored locally

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