Wipe sampling lab report for PCBs and PAHs, Jan 2002

NYC 9/11 Public Portal Document

Mr Bernard P Orlan January 22, 2002 Wipe Sampling for PCBs and PAHs Page 2 H S of Economics & Finance f833M) ATCProieciNo 15-19125-0291

WIPE SAMPLING RESULTS

ATC submitted seven samples for PCBs and PAHs to PSC for analysis A blank was also submitted A copy of the laboratory report is provided in the Attachment. Samples were taken from surfaces throughout the building The sample area for each wipe sample was 100 square centimeters (lOOcm^) The areas sampled were.

• Mam lobby floor, • Room 304, desk; • 5^h floor Staircase A; • 7th floor hallway by the bndge; • 8th floor, Kitchen counter, • Room 906, wmdowsill; • Room 1006, table

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 liiiiits of 2.0 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 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, A TCASSOCIA TES INC.

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

Attachment

CONFIDENTIAL, CITY_21MC100_003459284 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000179441