NYC-WTC_000182366
Memo reporting TEM analysis of air samples from the 30th floor showing asbestos levels below EPA limits.
5 shared non-person entities · 1 shared topics · similarity 0.999
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NYC-WTC_000234899
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NYC 9/11 Public Portal Document
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City of New York Department of Design and Construction
MEMORANDUM November 23, 2001
TO: Michael Burton, PE Executive Deputy Commissioner
FROM: Robert C. Adams, CIH, CSP Director EHS Services
RE: Air Sampling Report - AMEX 30*^ Floor
Warren & Panzer Engineers has been collecting air samples on the 30* floor of the American Express Building. Attached are reports covering sampling from Monday, November 19 through Wednesday November 21, 2001. The samples were submitted to ATC Associates analytical laboratory for analysis by transmission electron microscopy (TEM), an analytical method that specifically identifies the presence of asbestos fibers. The results of these three rounds of sampling are attached. No results exceeded the EPA limit for building occupancy of 70 structures per square millimeter is/mm ). Only 3 of 23 samples showed any presence of asbestos fibers, and each of those was a single fiber. Again, these samples were well below EPA limits and are probably background levels and represent no cause for concern.
Contact me if you have any questions.
CC: Gina Betro; Bill Cote
t:\americanexpress\acmsamplingmemo_amex30_l 1-23-01 .doc
CITY_21MC100_002790381
NYC-WTC_000234899
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NYC-WTC_000234899Source: NYC Law Department, mirrored locally
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