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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 / 58 pages

Asbestos bulk sampling lab report, 99 Church Street, May 2002

Machine-extracted title · confidence 95%

Laboratory results for confirmatory asbestos bulk sampling conducted on the roofs of 99 Church Street in May 2002.

NYC-WTC_000124246–000124303

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

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NYC 9/11 Public Portal Document

ATC ASSOCI-ATES INC. - TEM ANALYSIS LAB GROUP #: 5660 - 10/10/01 Lab Sample No. 60867 Filter Type MCE 25 mm Operator Client Spl. No. 8-6 Filter Area 385 mm"2 Instrument I.D. EM 10 CRX Grid I.D. I y6 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 Structure Type Length I.D. of Structure N or,/ (Nonasb. No Coord. No. F B C M Sum Chr s. Amphibole Nonasb. Ambig./ND Elements) rJ ,,

Photo No. (from 1 in 5 asbaates- ldentifp all structures using RNS Check diffraction for ibestos Store all unrepeated spectra-~ containing samples) Grid aeceptancefl. (let 4) Struct. a o.5um g > 5s1 Aspect Ratio t1US ete weeaSare00 m O Totals Nr• Net Obumrsad (228 spectrum or difraetiass pattern) at toast 20 unfolded er oserlapped esquares /a P ltl F A C M 0611 to laboratory Ideatinastioa criteria et.. a,„d p ,a of tub Chrysotile of (110) and 1100) ref ecttom. AMs<d.d Pertt°a st Per ampbtbelsn o.xtnm layer sm rspn4 asd tam .m.) 0.0 ratio of non-tWmd Is Amphibole layer line rapid disaaca ✓_ s °e°;'' eri arla '°'~ A LES Ambiguous er (1-3 Am nt) ) 03mm filler co Cluster a uB ndle >( 3 n6 x <I fiber ~diametar a 1 apart) (aS lata:adoltaad) s g Crocidol i ite AAWopbyyWLe Non -asbestos XWW No struotarus Detected ado */D.o. or In 1.14 a.0.I Tremolite I Non—Identified t4\DA?A\PmvaT~Ntt60\caD'fg223 0/2/08 ActinOlite

NYC-WTC 000124302

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NYC-WTC_000124302Source: NYC Law Department, mirrored locally

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