Document / 8 pages
Air quality particulate matter guidance, NYC, Oct 2001 Machine-extracted title · confidence 95% Public health guidance on reducing exposure to smoke and dust from WTC collapse.
NYC-WTC_000153200–000153207 Save to case Cite this page ↗
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NYC Council on Environment letterhead with WTC notice · page 1 · Box DEP Box 08 NYC-WTC_000144632
Correspondence from the NYC Council on the Environment including a legal notice to preserve World Trade Center documents.
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Screening levels asbestos fiberglass silica air dust, Apr 2002 · page 4 · Box DEP Box 42 NYC-WTC_000160806
Forwarded EPA draft guidance on screening levels for asbestos, fiberglass, and silica in indoor air and settled dust for departmental review.
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DEP letter on WTC debris cleaning, Manhattan, Sep 2002 · page 2 · Box DEP Box 52 NYC-WTC_000127852
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Legal hold notice for WTC documents, undated · page 189 · Box DEP Box 10 NYC-WTC_000148192
Notice instructing staff to preserve original World Trade Center documents for potential legal actions against the City.
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DEP response regarding sample disposition, 68 Warren Street, Feb 2002 · page 1 · Box DEP Box 02 NYC-WTC_000096385
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