NYC-WTC_000228730

NYC 9/11 Public Portal Document

Attn: Mr. Bernard Orlan Received: 5/2/02 9:30:00 PM N.Y.C. Board of Education AK Group#: 7614 2S-11 Queens Plaza North Analysis Date: 5/2'02 Long Island City, NY II101 Fax; (212)475-4122 Phone; (212) 477-8941 Project: H.S. Of Economics And Finance

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AltFRA) Analytical Asbestos Area IVon Asbestos H Structures Sensitivity Concentration Sample t^olume Analyzed Asb Type(s) d.Sti-5 Sp (S/cc) fS/ittm’) (S/cc) Notes

19 1816.00 0.0450 0 None Detected 0 0 0.0047 <22.24 <0.0047 7614 -17

MARK. PEYSAKHOV MiCHAEL A. GORYCK.I, Ph.D. Analyzed by Approved by;

jisCtaimer. The laboratory is not responsible for data reported in structiires/cc, which is dependent on volume colilleSed by non-laOoratoiy personnel. This iab is only responssie far data reported in strucsires/mm’- This report may not be reproduced, except in ML without wnrten approval by ATC Associates Inc. This report may not Oe used to claim product endorsement by NVLAP or aiy other agency of the U.S. Government. This reports relates only to the samples reported above. Quality control data iinctuoing 95% confidence limits and laboratory and analysis' accuracy and precision) is available upon reguest.

Araediied for N'l/LAP PIMHEM #101187-0, NY State ELAP #10870

Pfl’t 3 i>f3

CITY_21MC100_002901585

NYC-WTC_000228730