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Law Department notice on WTC document preservation, Oct 2001

Machine-extracted title · confidence 95%

Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.

NYC-WTC_000145027–000145344

Folder label: “NO INFO

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NYC 9/11 Public Portal Document

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Unit 4C - 4th Floor, Northwest comer, Liberty Street

Cleaning Method: Test lA - Surface cleaning using non-HEPA filtered vacuums. Area air filtration not required. Soap and water wet wipe of all horizontal surfaces. Equipment Used: Eureka® Upright Vacuum, Craftsman® Shop Vacuum Filtration Status: No HEPA Unit Size: 655 sq. ft.; 6,222 cu. ft. AFD Status: Not Required AFD Specification: N/A Unit Air Exchange Rate: 15.55 min @ 400 cfin Minimum Air Exchange Required: Every 30 minutes

Unit Description: This 655 sq. ft. open loft faces the WTC site. The unit has hardwood flooring and no carpeting. All exterior windows had been blown inward. Significant dust had accumulated in the dwelling. All personal possessions to be retained by the tenant were vacuumed and bagged.

Difficult Areas Encountered: • Exterior windows and sashes • Hydronic baseboard heating units • Boarded window openings • Cracks and crevices

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NYC-WTC_000145185

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NYC-WTC_000145185Source: NYC Law Department, mirrored locally

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