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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 ASSOCIATES INC. - TEM ANALYSIS LAS GROUP #: 5660 - 10/10/01 Lab Sample No. 60865 Filter Type MCE 25 mm Operator - Client Spl. No. 8-4 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 Act. Voltage 80 kV No. GO to be Analyzed 4 ( 3.147 Struct. Corsod. to 70 s/mm"2.)

GO. Structure Length I I.D. of Structure Nor/ EDS No Coord. No. 0• um (Nonasb. F B C M Sum Chr s. Amphibole Nonasb. Ambi ./ND Elements /P 'f

7

— Photo No. t 1 5 ubeetcs— Identity au structures ue offi Check dUfrse ies for bestos store unrepeated spectra ins samples) p (let 4) .trust. a b 0.5um & > 5:1 Aspect Ratio <50~ usdidoNre r. orar apps or o <IOR; paruautate coverage >50X Ito Not Observed (205 spectrum or dff riattse patters) at least 20 unfolded or oveerlapped~iquaras Totals .h Pedttve dlfhscticm e■u F A C hI 1 Sittvn to tasoratory i5attf1Iatb4 arttaia observed. 0au.aa perttea e'°a~a i a_ Chrysotile for a for(„mot, s at (110) (t50) rMaatloea. of rots Os trot ampbtbotsm o scam taper Oos rspxR and mhr (am= wait) ( tm~ .vet ,paetat' °" Amphibole leper lie. repeat distance to IdeaUsa ~caafo,a o tO1y AMPHIBOLES Ambiguous Pe ber(1-5 taferaaatlen. a 1-5 fibers) AmOsite ac Rn~3 fbera (1fIberdiameterapart) 2omm 1Ier CroOidolite Non—asbestos Ce 5 iaterssotlaaa) Stopping iialao Anthophyllite tissa No 8lriatara Detected >505/2.0 or W lit 4 0.0. Tremolite I Non—Identified 14DATA\Pmva7 \Imttec\cao sIo s/20/ss Actinolite

NYC-WTC 000124300

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NYC-WTC_000124300Source: NYC Law Department, mirrored locally

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