NYC-WTC_000189690

NYC 9/11 Public Portal Document

Mr. Bernard P Orlan January 28, 2002 Wipe Sampling for PCBs and PAHs Page 2 H S. for Leadership & Pub Service (894M) ATCProiectNo. 15-19125-0290

The areas sampled were

• Cafeteria serving window; • Library table (north); • Room 1106 floor (south); • Room 903 floor (north); • Room 715 table (south); • Room 503 table (north); • Hallway floor by Stair B; • 1 st floor Main Lobby floor.

Each sample was analyzed for seven (7) PCB compounds and sixteen (16) PAHs (see attachment). The PCB and PAH results of all samples collected were below the reporting limits of2 0 and 5.0 micrograms/sample (ug / sample) respectively.

Currently, the Environmental 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 CFR 761. No regulatory standards have been established for PAHs on surfaces.

It is our pleasure to provide these mdoor 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, J TC ASSOCIA TES INC.

James R. Cohn, CIH, CSP Regional Manager Industnal Hygiene Division

Attachment

CITY_21MC100_003087797

NYC-WTC_000189691