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Toxicol Ind Health

Title:		Occupational exposures during the World Trade Center disaster response
Author(s):		Wallingford KM; Snyder EM;
Address:		"National Institute for Occupational Safety and Health 4676 Columbia Parkway (R-11), Cincinnati, Ohio 45226, USA. kwallingford@cdc.gov"
Journal Title:		Toxicol Ind Health
Year:		2001
Volume:		17
Issue:		5-Oct
Page Number:		247 - 253
DOI:		10.1191/0748233701th112oa
ISSN/ISBN:		0748-2337 (Print) 0748-2337 (Linking)
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. Toxicology"
Keywords:		"Air Pollutants/*analysis Aircraft Asbestos/analysis Carbon Monoxide/*analysis Construction Materials *Emergency Medical Technicians Humans *Inhalation Exposure Metals, Heavy/analysis New York City *Occupational Exposure Particle Size Polycyclic Aromatic H;"
Notes:		"MedlineWallingford, K M Snyder, E M eng England 2003/01/24 Toxicol Ind Health. 2001 Jun; 17(5-10):247-53. doi: 10.1191/0748233701th112oa"