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NYC-WTC_000232890
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NYC 9/11 Public Portal Document
City of New York Department of Design and Construction
MEMORANDUM
From: Robert C. Adams, CIH, CSP Director EHSS
To: Michael Burton Executive Deputy Commissioner
RE: Stuyvesant High School Air Sampling Results
Two ambient air samples for asbestos were collected between the hours of 4PM and 12AM on 10/11/01 outside Stuyvesant High School. The samples were analyzed using transmission electron microscopy (TEM), which provides results that are specific for the presence of asbestos fibers. Using this method, the EPA guideline for acceptable concentrations is 70 structures per square millimeter (s/mm^). The results obtained for this round of sampling were as follows:
LOCATION___________________ Airborne Concentration (s/mm^) North entrance of school - East side <16.67 North entrance of School - West side 16.67 ND = not detected
The laboratory chain of custody sheet(s) are attached
Please contact Robert Adams if there are any questions.
cc: Calvin Drayton, NYC OEM, fax# 212-245-0666
CITY_21MC100_006690278
NYC-WTC_000232890
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NYC-WTC_000232890Source: NYC Law Department, mirrored locally
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Memorandum reporting transmission electron microscopy results for ambient air samples collected outside a school on October 13, 2001.
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