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← Document results/DEP Box 37/111 BROADWAY; Block: 49; Lot: 2; BIN: 1001029; 2-10 Thames St/91-95 Trinity Place
Document / 77 pages

Letter regarding air quality monitoring results, 111 Broadway, Feb 2002

Machine-extracted title · confidence 95%

A letter from a property management firm submitting additional air quality monitoring results for 111 Broadway and Trinity Place to the DEP.

NYC-WTC_000105620–000105696

Folder label: “111 BROADWAY; Block: 49; Lot: 2; BIN: 1001029; 2-10 Thames St/91-95 Trinity Place

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NYC 9/11 Public Portal Document

Table V Respirable Paticulates and Silica

Parameter Dust Quartz Cristobalite Tridymite Units mg/m3 mg/m3 mg/m3 mg/m3 OSHA 5 mg/m3 10 mg/m3 5 mg/m3 5 mg/m3 NIOSH none 0.05 mg/m3 none none ACGIH 3 mg/m3 0.1 mg/m3 0.05 mg/m3 0.05 mg/m3 Sample# Location Si 111-19 <0.09 <0.02 <0.02 <0.02 S2 115-17 <0.09 <0.02 <0.02 <0.02 S3 111-11 <0.08 <0.02 <0.02 <0.02 S4 111-17 0.14 0.026 <0.02 <0.02 S5 115-3 <0.09 <0.02 <0.02 <0.02 S6 115-13 <0.08 <0.02 <0.02 <0.02 7(m Blank <0.05 <0.01 <0.01 <0.01 8 115-15 <0.08 <0.02 <0.02 <0.02 9 115-13 <0.08 <0.02 <0.02 <0.02 10 111-15 0.22 0.017 <0.02 <0.02 11 111-3 <0.07 <0.01 <0.01 <0.01 12 111-20 <0.08 <0.02 <0.02 <0.02 13 115-11 <0.08 <0.02 <0.02 <0.02 14 115-5 <0.08 0.021 <0.02 <0.02 15 115-6 <0.08 <0.02 <0.02 <0.02 16 115-7 <0.08 <0.02 <0.02 <0.02 17 111-19 <0.08 <0.02 <0.02 <0.02 18 115-9 <0.08 <0.02 <0.02 <0.02 19 m Blank <0.05 <0.01 <0.01 <0.01

NYC-WTC 000105690

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NYC-WTC_000105690Source: NYC Law Department, mirrored locally

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