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Chain of Custody Form Instructions for WTC Building Sampling

Machine-extracted title · confidence 100%

Instructions and sections for collecting sample location data from a specific building interior.

NYC-WTC_000149537–000149682

Folder label: “ATSDR/DHAC_ASTM

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NYC 9/11 Public Portal Document

Table 1 General Information on the World Trade Center Towers

Height Tower One: 1,368 feet Tower Two: 1,362 feet Weight 1.5 million tons Statistics 110 floors 6 basements (with 2 subway stations and PATH train station) 1 underground mall 43,600 windows 97 passenger elevators and 6 freight elevators 300 computer mainframes Air conditioning had 60,000 tons of cooling capacity Rentable Space 43,200 square feet per floor 10,000,1 total square feet Owners and Operators Port Authority of New York and New Jersey Groundbreaking August 5, 1966 Opening Ceremony April 4,1973 (Parts were opened between 1970-1973) Construction Materials Steel: 200,000 tons Concrete: 425,000 cubic yards Glass: 600,000 square feet Electric cables: 12,i miles

Table! 2000 Census Block Level Population Distance From WTC Total Population Housing Units

One-Quarter Mile 6,965 4,617 One-Half Mile 17,596 10,768 Three-Quarter Mile 29,667 16,482

The 16-acre site of the World Trade Center was buffered, and an aerial proportion technique was used to estimate the number of persons living in the area.

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NYC-WTC_000149639

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NYC-WTC_000149639Source: NYC Law Department, mirrored locally

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NYC-WTC_000149798

Generic form or header page from the Department of Environmental Protection regarding general World Trade Center notices and requests.

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