Chain of custody for air samples from 125 Water Street,

NYC 9/11 Public Portal Document

Attn: Fred Burkhardt Received: 9,'1 5:02 ':00:00 AM ATC Associates Inc. ATC Group #: 3S39

. 104 East 25th Street Analysis Date: 9,'16/02 New York N'r' 100 l 0

Fax: 1212) 353-3599 Phone: (2(2) 353-3 2_30

Project: DEP Ceaan-up Project 22906-0002 12 i Cedar Street. '.ew burl.. NY

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) .'Inalytiea! Asbestos Area Non Asbestos # Structures Sensitivity Cuacentration Sample Volume Analy:ed .-lsb Type(s) 0.5p-S Sp (S/cc) (Shnnrt) (S/cc) Notes

28 2400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8839 -26

29 3400.00 0.0450 0 CHRYSOTILE 0 1 0.0036 22.24 0.0036 839 -27

2400.00 0.0450 0 CHRYSOTILE I I 0.0036 44.48 0.04)7 I .3$$9 1.i

31 24111) 00 NOtAnalyzed Overloacea wpm particulates .v

` 2400 u0 Not analyzed Overloaded won oarticuiates vt9 -311

== '400.00 0.0451) 0 None Detected 0 0 0.0036 <22.24 <1).0036 8339 -3r

I' t 2100.00 0.0150 0 CHRYSOTILE 0 I 0.0036 22.21 0.0036 5339 -32

3400.00 0.0450 0 None Detected 0 0 0.0036 <22.24 <0.0036 8839 .33

=6 2400.00 0.0451) 0 CHRYSOTILE I 0 0.0036 22.24 0.0036 ).SSv 34

RMA\ PEl'SAt;HUV MICHAEL . GOR1'Ckl. PhD

Analy. ei bv . .appro\,ed by

'SC:aimer -he :zccrator! -s not -esoors:ble lcr 9ata reocrea ;n Structures,C. anici s cecerlcent cn volume Cdeced by ncn aboratcry cersonnet. . .ao s only •C oers cie or ,aia 'eecrtec m si^.'c:ures;mm' This report may not .e reorCCuCea. except ;n full, without •wnaen aeorovat oy A C Assoc;ates !nc. This report may lot oe usea 'o vain orcauc: irccrsement oy NV!4? or 3nv doer agency of he u.S. 3ovemment 'his reports retates Only to he samples recertec acove.'uaity Control data:inc:ucinc :rdicence imrts 3na acoratory arc 3na1v3is' 3Ccr raC! 3n0 prec;sicnl s avadaote upon request

cc:ecrec'or rvL=P '.fTc'vl : '8-•:). NY State =_AP 4108;9

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NYC-WTC 000129777