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Occupational exposures during the World Trade Center disaster response.

Authors
Wallingford-KM; Snyder-EM
Source
Toxicol Ind Health 2001 Jun; 17(5-10):247-253
NIOSHTIC No.
20023950
Abstract
Upon the request of the New York City Department of Health, the Centers for Disease Control and Prevention's National Institute for Occupational Safety and Health (NIOSH) monitored occupational exposures among emergency response workers during the rescue and recovery activities at the World Trade Center disaster site from September 18 through 4 October 2001. During this period, over 1,200 bulk and air samples were collected to estimate or characterize workers' occupational exposures. Samples were collected and analyzed for asbestos, carbon monoxide (CO), chlorodifluoromethane (Freon 22), diesel exhaust, hydrogen sulfide, inorganic acids, mercury and other metals, polynuclear aromatic hydrocarbons, respirable particulate not otherwise regulated (PNOR), respirable crystalline silica, total PNOR, and volatile organic compounds. Exposures to most of these potential hazards did not exceed NIOSH Recommended Exposure Limits or Occupational Safety and Health Administration Permissible Exposure Limits. However, one torch cutter was overexposed to cadmium and another worker (and possibly three others) was overexposed to CO. The elevated cadmium and CO levels were the result of workers using oxy-acetylene cutting torches and gasoline-powered cutting saws. Recommendations were made to ensure adequate ventilation and worker understanding when using these tools and, where possible, to substitute rechargeable, battery-powered cutting saws for gasoline-powered ones.
Keywords
Occupational-exposure; Occupational-hazards; Asbestos-dust; Cadmium-compounds; Cadmium-dust; Emergency-responders; Emergency-response; Air-samples; Diesel-exhausts; Mercury-compounds; Polynuclear-aromatic-hydrocarbons; Silica-dusts
Contact
National Institute for Occupational Safety and Health 4676 Columbia Parkway (R-11), Cincinnati, Ohio 45226, USA
CODEN
TIHEEC
CAS No.
7440-43-9; 630-08-0; 75-45-6; 7783-06-4; 7439-97-6; 14808-60-7
Publication Date
20010601
Document Type
Journal Article
Email Address
kwallingford@cdc.gov
Fiscal Year
2001
NTIS Accession No.
NTIS Price
Issue of Publication
5-10
ISSN
0748-2337
NIOSH Division
DSHEFS
Source Name
Toxicology and Industrial Health
State
OH
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