NYC Law Department release
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← Document results/DEP Box 36/105 DUANE ST 1001650, 151/1
Document / 294 pages

Ambient air sampling report for 105 Duane Street, Feb 2002

Machine-extracted title · confidence 98%

Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.

NYC-WTC_000104027–000104320

Folder label: “105 DUANE ST 1001650, 151/1

Page image
Scanned page image, NYC-WTC_000104224
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

I .. ..... ... I ATC ASSOCIATES INC. - TEM ANALYSIS 10/25/01 LAB GROUP #• 5761 - l ~~ Operator_..' Filter Type MCE 25 mm Lab Sample No. 62214 Filter Area 385 mm"2~ Client Spl. No. 41 Disk No. Grid I.D. Instrument I.D. EM 100RX Comments (GO) Area 0.0114 mm Screen Magnification 16405X 4.721 Struct CorsPd. to 70 s/m"2 No GO to be Analyzed 6 Acc. Volta e So kV

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■~■ ~~■ ■

■ _a a m F _ a m ~~■ ■■ a i iiu ■■■■ I Identify all structures u■in I Photo No. from 1 in 5 asbestos- Gr! acceptance containing samples) <50% undissolvt Struct. _ > 0.5um & > 5:1 Aspect Ratio <10% partieulat diffraction pattern) at least 20 unf N= Not Observed (609 spectrum or <5% holes or o conforming ✓a o tory ld n pattern proeerats dIffr labor.toq ldeotitleation to Laboratory criteria ebsereed. Chrysotile Far ohrysoWr. 0rem racing for (020) resection. 0.59am spacing o for the line repot..trealdag of (110) and (100) rsflsetione. line repeat. gad apps:. Portion ofeta Amphibole For amphlboles: O.OSnm later line spat apselns to 3.5 ratio of non-tslnnad 1aj~eerr seaminatiun layerflee repeat distance (0.57em). Ambiguous 609 epectr.um conforming to lalwrstary IdenUfiCCUon criteria observed. F= Single Fiber (1-3 Intersections a 1-3 fiber.) diameter apart) 25mm filter Non —asbestos 0= Bundle (>3 fibers <1 fiber Cs dueler (>9 Intersections) 9bpplag Rules: V= Yet,-l5 >5I ./C.O. er In I.t 4 CO. Jon —identified NYC-WTC 000104224

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NYC-WTC_000104224Source: NYC Law Department, mirrored locally

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