A report from Airtek Environmental regarding air quality sampling conducted at 176 Broadway in October 2001.
NYC-WTC_000105778–000105836Folder label: “176 BROADWAY; Block: 65 Lot: 17 BIN: 1001100 3-7 Maiden Lane”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
SEP-27-2®01 13:39 SCIENTIFIC LABS 212 679 9392 P.02/04
SciLab Job #: 201093151 Client Name: AIRTEK
Table II Summary of NIOSH 7402 Analytical Results and Adjusted PCM Results 176 Broadway!Ambient (NIOSH 74(T counts only fibers w/an aspect ratio greater than or equal to 3:1 ,>5um long and >0.2$ um diameter)
TEM TEM Optically Adjusted SciLab Client PCM * Asbestos Non.Asbestas Visible PCM Sample # Sample 4 f/cc f (cc f/cc Fraction
1 3 0.015 0.0005 0.01825 0.0267 0.0004
2 15 0.013 0.0005 0.0165 0.0294 0.0004
3 i8 0.011 <0.0005 (NSD) 0.0045 .••
<0.011'**
pci i dam from DATA PROVIDED BY CLIENT *• OpticaUy Vl&ble Fraction = (ft f2y(F1-F2) calculated iron TEM data, where f=namber of asbestos fibers. F= torsi fibers (asbcatos4uoa-avbesoes), mple, 2=blank * * Level repartrd as less than the limit of detection, 5.5 tamers Per 100 Gcbh (LAD). *.rr Fbi aWec esenotbe oaloniated for bisaks
NS))-No Structures Detested. if counting only 5bets with an oapeet iatio greatBr than or equal fibers >5am long and>0.2Sut$ diameter'.
Lab ID 0 : AMA 102842
Previewed By. - 7,Af .7
NYC-WTC 000105825
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