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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_000145236
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NYC 9/11 Public Portal Document

Unit 2B Results Dioxin TEQ EMPC (ND=1/2) Before cleaning Sample ID Matrix Detected Result Comment 9094-W-2B-002 Wipe 0.488 ng/m2 9094-W-2B-003 Wipe 0.526 ng/m2

9094-W-2B-004 Wipe 0.642 ng/m2

Post 1st cleaning - Test 3A Sample ID Matrix Detected Resuit Comment 9094-W-2B-016 Wipe 0.556 ng/m2 9094-W-2B-017 Wipe 0.522 ng/m2 9094-W-2B-018 Wipe 0.476 ng/m2 9094-W-2B-019 Wipe 0.563 ng/m2

Gypsum Post 1st cleaning - Test 3A Sample ID Matrix Detected Result Comment 9094-A-2B-013 Air ND < 0.016 mg/m3 9094-A-2B-014 Air ND < 0.016 mg/m3

Lead Before cleaning Sample ID Matrix Detected Result Comment 9094-M-2B-005 Microvac ND < 2.32 ugZft2 9094-M-2B-006 Microvac 4.54 ugZR2 9094-M-2B-007 Microvac ND < 2.32 ug/R2 9094-W-2B-002 Wipe ND < 4.65 9094-W-2B-003 Wipe 97 ug/ft2 9094-W-2B-004 Wipe 17.5 ugZft2

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NYC-WTC_000145236

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NYC-WTC_000145236Source: NYC Law Department, mirrored locally

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