NYC 9/11 Public Portal Document
Mr, Bernard P. Orlan February 11. 2002
Wipe Sampling for PCBs Page 2
P. S. 234 /Manhattan) ATC Project No. 15-19125-0279
The areas sampled were;
• 1 st Floor hallway -East;
• 1 st Floor hallway - West.
Each sample was analyzed for seven (7) PCB compounds (Attachment). The PCB results of
both samples were below the reporting limits (2.0 micrograms/sample) of the analyses.
Currently, the Environmenul Protection Agency spill clean-up standard for PCBs on non-porous
surfaces is 10 micrograms per 100 square centimeters or less (<10ug/100cm2) as stated in 40
CFR761.
It is our pleasure to provide these indoor environmental services to the New York. City Board of
Education. If you have any questions about this report, please call (212) 353-8280, extension
212 or 261.
Sincerely,
.yC ASSOCIATES fNC.
James R. Cohn, CIH, CSP
Regional Manager
Industrial Hygiene Division
Attachment
CITY_21MC100_002879055
NYC-WTC_000218486
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