OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
LEMPERT, ALEX From: LEMPERT, ALEX Sent: Wednesday, August 28, 2002 6:24 PM To: Orlan,Bernard Subject: Stuy. Perf. test carpet cleaning.
Bemie: On August 20, 2002, Kiss Construction, Inc. (“KCI”) under the supervision of Taylor Environmental Group, Inc. (“TEG”) performed controlled carpet cleaning procedures at the aforem.entioned facility. The cleaning procedures and associated air-monitoring was performed in strict compliance with the protocol. As defined in the Protocol, five (5) air-samples were collected inside each tent. All air-samples collected were imalyzed via TEM (AHERA Protocol). A 20" Box Fan was installed inside each tent and operated for the duration of the air-sampling. Air-Monitoring Results Summary
; Auditorium - Tent #1 (Carpet Cleaning) Sample # Results (as/mm^)* AF-6 <16.0__________ AF-7 40.0 _____ AF-8 <16.0__________ AF-9“ <16.0_____ _ AF-10 96.0 *' - as/mm2 - Asbastns Structures per millimeter squared
At the request of the NYC SCA sample #AF-10 was reanalyzed by viewing different grid openings than the original analysis and indicated an asbesto.s structure concentration of 48 as/mm^.
Please note that the average asbestos structure concentration of the five samples collected within the enclosure is less than the AFLERA clearance level of 70 as/mm^ rh. Alex.
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CITY_21MC100_009017967
NYC-WTC_000186022
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