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Document / 9 pages

Air monitoring specs, 125 Cedar and 114 Liberty, August 2002

Machine-extracted title · confidence 90%

Technical specifications for air quality monitoring work at two Manhattan buildings.

NYC-WTC_000163360–000163368

Folder label: “E-mails M. Gilsenan

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NYC 9/11 Public Portal Document

Indoor Air Asbestos/ Lead/ Dioxin PAHs SUica/ Total Dust Total# Sampling MMWF Metals Calcite/ of Locations Gypsum Samples Main Living 0 0 2 2 0 0 4 Space Total Air 0 0 2 2 0 0 4 Samples/ Parameter

Bulk Dust Asbestos/ Lead/ Dioxin PAHs SUica/ Total Dust Total# Sampling MMWF Metals Calcite/ of Locations Gypsum Samples 1 1 1 1 1 1 6 Total Bulk 1 1 1 1 1 1 6 Dust Samples/ Parameter

Notes: 1. MMVF - Man made Vitreous Fibers 2. The total number of samples represents the number of samples to be collected in each apartment per floor. 3. Dioxin and PAHs samples in indoor air will be collected in each apartment per floor.

The Sampling Technicians will collect Post - Cleanup Samples in accordance with the following Tables:

Sampling Matrix Clean up Project Wipe Sampling Asbestos/ Lead/ Dioxin PAHs SUica/ Total Dust Total# Locations MMWF Metals Calcite/ of Gypsum Samples Ceiling 1 0 0 0 0 0 1 WaUs 1 1 1 1 1 0 5 Bare Floor 1 1 1 1 1 0 5 Counter Tops 1 1 1 1 1 1 6 or Furniture (table tops) Total Wipe 4 3 3 3 3 1 17 Samples/ Parameter

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NYC-WTC_000163364

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NYC-WTC_000163364Source: NYC Law Department, mirrored locally

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