Fax cover sheet from ALC, Oct 2001

NYC 9/11 Public Portal Document OCT-@5-2001 12:88 P.@3 104 East 25th Street New Yors. New York 10010 wevew att enviro.Com 7 212,363 6280 ae Fax 212 953.6308 +S = AS 08 SE—e 2 eS ae ete peg REPRE. October 4, 2001 ay e it ee Ns fal * age tie =S, ALC Zavironmental “4 W. 30th Streei. New Yosk, BV LitoL BL Attn: Mr. Joshua Sacet’ Late Re: Report of TEM Analysis pet Dear Mr. Sarett: , 8 we apna * 2 y ne Following are the results of transmission electron microscony (TEM) a analysis of aix samples from our Group No. 5602. . fay . 5 1rd Client: Gateway Plaza Mall at Project Name: 355 South End Avenue eu Location: Various Apartments Kany! Fe Samples received: 10/04/01 These results will confirm and document the data tranemitted today BOY to you. The analyses were performed in strict conformance with the ng methodology of the AHERA Final Rule (CFR October 30. 1987) for aft clearance of abatement sites. As indicated on the attached Summary rn was detected es Results sheet, less than 70 asbastos structures per mir bmitted from the eite. yt a in all ef the twelve final samples su Results reported as Struct/ec are a function of air volume oe cellected in the field and are, a6 euch, not versfiable by thie ‘ hs laboratory. This xeport may be reproduced only in ite antirety and ae not without prior permission of this laboratory. If the post - ta abatement inside samples paas. the response action May be sah considered to have been completed. The analyses were supervised by ‘eas Dr. Michael A. Gorycki, Director of Slectron Microscopy - i i tot We are pleased to note that our TEM leb bas received full a : from NVLAP, ag is currently required for secognized ie analysie of TEM air gamplés for AHERA projects, and also approval capil undex the N¥ State DOH BLAP program. These analyses were perfoxmed a Please contact me regarding any Bd aah by ATC d/b/a ATC Ageociates Inc. | questions yelating to these materials. Very truly Yours, ote imbe. UCB Seecbe c Kennel A. Gorycki, Ph.D. stl ott Divector of Electron Microscopy NYC-WTC_000117721