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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_000145258
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Unit 3D Results Gypsum Post 1st cleaning - Test 1A Sample ID Matrix Detected Result Comment 9094-A-3D-013 Air ND < 0.008 mg/m3

9094-A-3D-014 Air ND < 0.008 mg/m3

Lead Before cleaning Sample ID Matrix Detected Result Comment 9094-M-3D-005 Microvac 50.7 ug/ft2

9094-M-3D-006 Microvac ND < 4.65 ug/ft2 9094-M-3D-007 Microvac ND < 4.65 ug/ft2 9094-W-3D-002 Wipe ND < 4.65 ug/ft2 9094-W-3D-003 Wipe 201 ug/fl2 9094-W-3D-004 Wipe 112 ug/ft2 9094-W-3D-005 Wipe ND < 4.65 ug/ft2

Post 1st cleaning - Test 1A Sample ID Matrix Detected Result Comment 9094-A-3D-011 Air 0.074 ug/m3 Field blank contamination (Validation = R). 9094-A-3D-012 Air 0.126 ug/m3 Field blank contamination (Valuation = R). 9094-M-3D-020 Microvac ND < 2.32 ug/ft2 9094-M-3D-021 Microvac 5.71 ug/ft2 Field blank contamination (Validation ° R). 9094-M-3D-022 Microvac ND < 2.32 ug/ft2

9094-W-3D-016 Wipe 8.22 ug/fl2

9094-W-3D-017 Wipe 9.8 ug/ft2 9094-W-3D-018 Wipe ND < 4.65 ug/fl2

9094-W-3D-019 Wipe ND 4.65 ug/ft2

Mineral: alpha-Quartz

Post 1st cleaning - Test 1A Sample ID Matrix Detected Result Comment 9094-A-3D-013 Air ND < 0.004 mg/m3

9094-A-3D-014 Air ND < 0.004 mg/m3

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NYC-WTC_000145258

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NYC-WTC_000145258Source: NYC Law Department, mirrored locally

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