NYC-WTC_000215069

NYC 9/11 Public Portal Document

A'TC Associates 104 East 25 Street, New York, NY 10010 Phone; (212)353-8280 Fax: (212) 353-S306

Attn: Mr. Bernard Orlan Received: 5.02 <S: 15:00 PM N.Y.C. Board of Education Al'C Group it: 604 1 28-11 Queens Plaza North Analysis Date: 3/5'02 Long Island City, NY 11101 Fa.v: (212) 475-4122 Phone: (212)477-8941 Project: NYC-BOE PS 150M Project#: 14584-0824

Asbestos Fiber Analysis by Transmission Electron Microscopy (1 EM) Performed by EPA 40 C ER Part 763 Final Rule (AHERA) Analytical .Ishesins Area l\uii Asheslas Siriiciiires Sensilirity Caneentra/iini Sample i'oliime Analyzed Ash Type(s) 11.5,11-5 5,a (S/cc) (S/mnr'l (S/ccI \ Dies

01 1920.00 0.0450 0 None Detected o 0 0.0045 22.24 ■ 0.0045 6941 -I

02 1920.00 0.045(1 0 None Detected 0 0 0.0045 <22.24 <0.01)45 6941 -2

03 1920.00 0.0450 0 None Delected 0 0 0.0045 <22.24 •0.0045 6941 -3

04 1920.00 0.0450 0 None Detected 0 0 0.0045 <22.24 •-0.0045 6941 -4

05 1920.00 • 0.0450 0 None Detecied 0 0.0045 0 111.4.' 6941 -5

06 1920.00 0.0450 0 None Delected 0 0 0045 0.0' 6941 .6

07 1912.00 0,0450 0 None Delected 0 0.0045 0.01'4: 6941 -7

.MICH \I:L A. CORYCKl, Ph.D. MARK PEYSAKHOV

Analyzed by: •XljCn-K'.ed by

Disclaimer: The laboratory :s not responsioie lor data 'gpenea ,n siri'': ..esrcc, wnicn is dependent on voiun-e '-:ilec:.T« ny personnel This laciYcniy responsible for aaia reponea in siructures/mm- This report may noi be -eoiociics-.:. except in full without written apoioval ny .5^2 issociatc-s inc -"is report may not be used to claim proouct enoorsement by NVL.AP or any .other agency of the J .2 Scvf-’-.inent This -epons relates only to the •epp --.-' iP-'c- .•.lality control data (including 95% confioencB limits and laooratory and analysis' accuracy anc prgcisic.' .•■ available dpon request.

.Accreditee lor NVLAP PlMCcM =1O1137-C NY State 'fOa'?

CITY_21MC1OO_OO2853943

NYC-WTC_000215069