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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 LAB GROUP #: 5660 - 10/10/01 Lab Sample No. 60863 Filter Type MCE 25 mm Operator F-1a Client Spl. No. 8-2 Filter Area 85 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 Structure ? pe Length I.D. of Structure N orV/ (Nonasb. No Coord. No. F B C M um 3 gum Chr s. Amphibole Nonasb. Arabi ./ND Elements (H Z

JO

`- Photo No. from I in R asbestos- Identify all structures uulng 858 Check diffraction for bestos Store all unrepeated spectre -~ containing samples) jGrid actsp noes c*ur a O 4 79.fn (1st 4) Struct. a ) OAum &) 0:1 Aspect Ratio 480x usditsolac era over • p oe o 4105 particulate coverage >00% Totals Na Nat Observed (808 spectrum or dlffaeuea pattern) lat least 20 unfolded or overlapped sYld squares icSZ hole, or ouscue area. F B C M a. Sum to cry lien eriterla obem,ad lfas~0.78a:n rev Imo) rrtNotsees, ' opry.~oetie i ror tea Chrysotile For aaaem of (1la) and (1,0) mfleeUeaz. For ampblbelas 833am layer Lea npnt and t4eYoa of la eta'1 se ratio of non-gAansd a m :pet epasnsaT ei 1ate.ti Amphibole

V' 888 wpectrum conforming to ntO1y oiES Ambiguous i aastloncriteria observed. f`b~ Fa Single Fiber (1-3 intaeaeotiam a 1-3 fbern) r 1MAlm. —o site — Ra Rundle >3 fibers 41 fiber diameter apart) alum lat r Crocidalite Non—asbestos (>3 iatarsatieaa) stepotn= ads. Anthophyy)lite C cwt:is N88= No St uctural Dataated >m ./aa or In tot 4 CA. j Treinollte Aatinolite Non—Identified l4D4TA~lgavan\*ulCI i~CAR0~61d 8/88/88

NYC-WTC 000124298

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NYC-WTC_000124298Source: NYC Law Department, mirrored locally

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