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← Document results/DEP Box 48/19 RECTOR STREET Block: 18 Lot: 27 BIN: 1000794 88 Greenwich St., 82-92 Greenwich Street, 87-97 Washington St
Document / 118 pages

Environmental testing summary, 88 Greenwich Street, Oct 2001

Machine-extracted title · confidence 95%

Cover sheet for environmental testing report prepared for Black Diamond LLC at 88 Greenwich Street.

NYC-WTC_000120747–000120864

Folder label: “19 RECTOR STREET Block: 18 Lot: 27 BIN: 1000794 88 Greenwich St., 82-92 Greenwich Street, 87-97 Washington St

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Scanned page image, NYC-WTC_000120752
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NYC 9/11 Public Portal Document

I Li 0 I Environmental Monitoring & Consulting Associates P.O. BOX 872 • SOMERVILLE, NJ 08876 • (732) 249-3005 • FAX (732) 249-3384

I TO: Black Diamond LLC 88 Greenwich Street New York, New York 10006 LI RE: SILICA ANALYSIS/88 GREENWICH STREET/NEW YORK, NEW YORK

Silica Analysis Performed By X-Ray Diffraction (XRD) Method NIOSH 7500

Date Collected: SetDtember 20, 2001

Nuisance Dust Airborne Silica Sample Sample Silica Silica % Analytical Volume Weight Conc. Wei2ht Cone. Silica Sensitivity Sample ED Particle ED me (mg/m3 imgI (mg/m3 (m2/m3 )

Sample #88-4 Quartz 2000 .087 0.433 .1875 0.0907 20 0.0095 1 Corridor fl

C

I Li LI LI flTI T I

I NYC-WTC 000120752

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NYC-WTC_000120752Source: NYC Law Department, mirrored locally

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