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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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Scanned page image, NYC-WTC_000145246
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NYC 9/11 Public Portal Document

Unit 3B Results 9094-W-3B-018 Wipe 741.975 S/cm2 Chrysotile

9094-W-3B-019 Wipe ND < 739.502 S/cm2 Chrysotile - Asbestos detected below detection IbniL

9094-W-3B-020 Wipe 4699.18 S/cm2 Chrysotile

9094-W-3B-021 Wipe 3957.2 S/cm2 Chrysotile

9094-W-3B-022 Wipe 2473.25 S/cm2 Chrysotile

Post 2nd cleaning - Scope A Sample ID Matrix Detected Result Comment 9094-A-3B-039 Air ND < 0.001 f/cc

9094-A-3B-040 Air ND < 0.001 f/cc

9094-A-3B-041 Air 0.001 f/cc

9094-A-3B-039 Air ND < 0.0005 S>0.5u/cc

9094-A-3B-040 Air ND < 0.0005 S>0.5u/cc

9094-A-3B-041 Air ND < 0.0005 S>0.5u/CC

9094-A-3B-039 Air ND < 0.0005 S>5u/cc

9094-A-3B-040 Air ND < 0.0005 S>5u/cc

9094-A-3B-041 Air ND < 0.0005 S>5u/cc

Dioxin TEQ EMPC (ND=1/2) Before cleaning Sample ID Matrix Detected Result Comment 9094-W-3B-002 Wipe 0.712 ng/m2 9094-W-3B-003 Wipe 0.506 ng/m2

9094-W-3B-004 Wipe 1.13 ng/m2

9094-W-3B-005 Wipe 0.526 ng/m2

Post 1st cleaning - Scope A Sample ID Matrix Detected Result Comment 9094-W-3B-019 Wipe 0.913 ng/m2

9094-W-3B-d20 Wipe 0.94 ng/m2

9094-W-3B-021 Wipe 0.915 ng/m2

9094-W-3B-022 Wipe 0.866 ng/m2

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NYC-WTC_000145246

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NYC-WTC_000145246Source: NYC Law Department, mirrored locally

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