Chain of custody form for air monitoring, 365 South End

NYC 9/11 Public Portal Document

New YOrK. New YOrK 1001 ': '' www.arc-enviro.cor i 2 i Z.353.828c Fax 2 2.353,830t

September 26 2001 Environmenz:al w. 30th .St.reet n' Mr

Re Report :or Ara ✓s

p Mr..

o o1?1owiria are the resu'. cs of tra-nem , 3S _UP, e l e t_ ^P m-cr cs`ccy ("?EN) ;.R alys_s oz tC .r`ee' ?C'i air 3mr1es -_om cur Grcuc vc =_

Cltenc Mid State lY~ ' ect ?Namey . ::1..• an , a = Southend .avenue L,OCBtlon. -~~riays, Bui_cinas 200 and 300 Samples receives. in TEN Lab: 09/25/01

rr Zh6Se reslts '111 confirm and docme' r r i to tra-i m' cted t0 Vou today. The analyses were ner=or-re^ in stricO confcrmur.ce with t e nethoaolccy or re NIOSF method 7402, Issue 2 Aucust _S, i9°4 Forty grid, ccer,incs from escn of the samp_e • rF ~~cam~ net at 'relatively. Low macni f icar cns aoorox, hate lr 0 0 _-d _ 0 , 000X; for structures creaser than Sum _n le: cc i and w dt Zs bec~eer. 0 25um -,-d Sun. and hav_ng a lznath to dtl. :ac ._ease ti a iese scr•sct•sres wou:d be _arse enough be ;oser b '. analyses. Ascescos and ncn-asbestos sr_r - res aer the samples in the fo ;owinc croccrticns.

sample c_7rysocile gypsum cellulose :'Icy as number Asbestos

1 14 4.35 86.0% 0.0> O.0O2 3 8.8% 55.9% 35.3% 0.001 0.0% 100.0% 0.0% 0.0 G -0% 61.1: 38.9% 0.0 8 0.0% 100.0: 0.0% 0.0 9 5.8% 94.2% 0.0 0 003. 10 0 0% 30.4% 69.6 0.0 11 0. 0% 83.3: 16.7% 12 0.0% 37.5% 52.5- 0.0 13 11.8: 60.8% 274% 0.002 14 0 0- 100.0-. 0-0- 0.0 16 0.0% 100.0% 0.Q- 0.0 13 0 0 i_.Qa _5 o 0.0

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NYC-WTC 000117734