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← Document results/DEP Box 50/99 CHURCH STREET Block: 123 Lot: 10 BIN: 1001396 26/42 PARK PL, 23-41 BARCLAY ST
Document / 309 pages

Asbestos air sample TEM analysis report for 99 Church Street,

Machine-extracted title · confidence 95%

Laboratory report from ATC Associates providing transmission electron microscopy results for air samples collected at 99 Church Street.

NYC-WTC_000124304–000124612

Folder label: “99 CHURCH STREET Block: 123 Lot: 10 BIN: 1001396 26/42 PARK PL, 23-41 BARCLAY ST

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Scanned page image, NYC-WTC_000124322
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NYC 9/11 Public Portal Document

ATC ASSOCIATES INC. - TEM ANALYSIS LAB GROUP #: 5670 - 10/12/01 Lab Sample No. 60956 Filter Type MCE 25 mm Operator Client Spl. No. L-6 Filter Area 385 mm'2 Instrument I.D. EM 10 CRX Grid I.D. Disk No. Screen Magnification 16,400X (GO) Area 0.01124 mm"2 Comments Acc, Voltage 80 kV No. GO to be Analyzed 4 ( 3.147 Struct. Corspd. to 70 s/mm"2.)

GO. Structure Siructure'fie Length I.D. of Structure N ors/ No. (Nonasb. No Coord. F B C M C' urnum Sum Chr s. Amphibole Nonasb. Ambi ./ND Elements)

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(lot 4) street. at p D.5um & . 5:t Aspect Ratio COei L°°INSO1s°° fug• But Net Observed (303 spectrum or diffraction pattern) at least20 u te corers unfoolded or I Totals ✓ g Positive to laboratory ~ properties criteria otsaerad ~ ICSZ boles or ocean. areas - -

portion F B C K par dwyv dUe Won= a for (000) r fbouom, of of (110 for laparr7lae npraR sYrWvs Chrysotile of (110) Clad (W5) n Per Inaer . f/f 0.30cm layer Use rspsR and ayprvn n et our (~ M ) 5 5 mue at Is~er IIus apet "ad" to ( !41r1 AIM Amphibole — Sse rsp..e dtataaa. (0.8tnm} ✓m terf Ambiguous =U . —Il a tseea iK AMPHIBOLES 1-3 Ba s le ( i3 Stern 'Clfiber etar partt)') ism niter Cr cidoll ite Cs Cluster (3.5 iatersaeuoas) K scion Antho y ~ 55Db No B rusturan Detected ass ./ in let 4 9.a Tremolite Actinolite Non—Identified is\OATA~PRdATihMii~CA9II~M0 9/09/05

NYC-WTC 000124322

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NYC-WTC_000124322Source: NYC Law Department, mirrored locally

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