Indoor air quality testing and chemical contamination assessments

New York Post article on WTC air quality study, March

NYC-WTC_000153859

Newspaper article reporting on an environmental analysis of a shirt found at Ground Zero suggesting lower toxicity levels than previously believed.

Environmental Protection, Dept. of · Box DEP Box 26 · assignment probability 0.248

News article on asthma monitoring grant, Oct 2002

NYC-WTC_000141827

Newspaper excerpt reporting on a federal grant to assess health of rescue workers and monitor asthma cases near Ground Zero.

Environmental Protection, Dept. of · Box DEP Box 06 · assignment probability 0.236

Material Safety Data Sheet for JaniSource cleaner, Feb 1997

NYC-WTC_000166392

MSDS for PANTASTIK all-purpose cleaner listing hazardous components and emergency contact information.

Fire Department · Box 7FDNY · assignment probability 0.232

Asbestos insulation Q&A fact sheet

NYC-WTC_000142602

Questions and answers regarding asbestos exposure risks from insulation and testing procedures following the World Trade Center collapse.

Environmental Protection, Dept. of · Box DEP Box 06 · assignment probability 0.229

Fiberglass contamination information sheet

NYC-WTC_000142595

Informational document explaining how to identify fiberglass contamination in homes and associated health risks.

Environmental Protection, Dept. of · Box DEP Box 06 · assignment probability 0.220

Loctite Chisel Solvent MSDS, Jan 2001

NYC-WTC_000169110

Material Safety Data Sheet for Loctite Chisel solvent listing methylene chloride and hydrocarbons as hazardous ingredients with composition percentages.

Fire Department · Box FDNY · assignment probability 0.219

UV air purifier product advertisement and specifications, n.d.

NYC-WTC_000142793

Product description for a UV air purifier highlighting technologies like HEPA filters and carbon stages for contaminant removal.

Environmental Protection, Dept. of · Box DEP Box 06 · assignment probability 0.218

PVC drainage connection approval memo, Apr 1985

NYC-WTC_000165038

Memo approving proposed 24-inch PVC connections to the city storm sewer for the New York Exposition and Convention Center in April 1985.

Environmental Protection, Dept. of · Box DEP Box 44 · assignment probability 0.213

Material Safety Data Sheets for Nickel Cadmium batteries, undated

NYC-WTC_000166456

MSDS documentation for Nickel Cadmium industrial batteries outlining electrolyte hazards and emergency spill procedures.

Fire Department · Box 7FDNY · assignment probability 0.195

NYC-WTC_000169078

NYC-WTC_000169078

Fire Department · Box FDNY · assignment probability 0.194

NYS DOL WTC sample data summary, February 2002

NYC-WTC_000138846

OSHA transmits NYS DOL data report containing sample summaries and worker information for WTC.

Environmental Protection, Dept. of · Box DEP Box 03 · assignment probability 0.183

NYC-WTC_000141067

NYC-WTC_000141067

Environmental Protection, Dept. of · Box DEP Box 05 · assignment probability 0.175

News article on anthrax study disclosure and CDC communication, undated

NYC-WTC_000141743

Newspaper report regarding a Canadian anthrax study and the delayed notification of CDC officials.

Environmental Protection, Dept. of · Box DEP Box 06 · assignment probability 0.149

List of excluded contaminants from indoor air review, undated

NYC-WTC_000140644

Summary of contaminants removed from the review list due to being non-detectable or found only in trace amounts, including all VOCs.

Environmental Protection, Dept. of · Box DEP Box 05 · assignment probability 0.147

Basis for identifying contaminants of concern, undated

NYC-WTC_000140643

Documentation describing the methodology for identifying contaminants of concern using historical data and qualitative toxicity screens.

Environmental Protection, Dept. of · Box DEP Box 05 · assignment probability 0.124

Outstanding issues for WTC dust risk assessment, undated

NYC-WTC_000140653

List of unresolved technical issues including methodology resolution, background characterization, and building material fingerprinting efforts.

Environmental Protection, Dept. of · Box DEP Box 05 · assignment probability 0.119

Air Sampling Network Results Summary, February 2002

NYC-WTC_000144023

Summary statistics of nearly 4,000 air samples collected around Ground Zero and outer boroughs, with only a small fraction exceeding standards.

Environmental Protection, Dept. of · Box DEP Box 07 · assignment probability 0.109

Asbestos air sampling results summary, NYC, 2001

NYC-WTC_000144046

Summary of over 3,000 samples collected around Ground Zero and near four schools during the cleanup period.

Environmental Protection, Dept. of · Box DEP Box 07 · assignment probability 0.090

Scientific article on anthrax edema factor structure, undated

NYC-WTC_000141752

Article describing the three-dimensional structure of the anthrax edema factor and its mechanism of action.

Environmental Protection, Dept. of · Box DEP Box 06 · assignment probability 0.050

Suspicious package safety advisory flyer

NYC-WTC_000142089

Public safety notice providing instructions on how to handle suspicious letters or packages received after September 11.

Environmental Protection, Dept. of · Box DEP Box 06 · assignment probability 0.050