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HHE determination report no. HHE-79-50-597, Commercial Lovelace Freight Terminal, Dayton, Ohio.
Cincinnati, OH: U.S. Department of Health, Education, and Welfare, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, HHE 79-50-597, 1979 Jun; :1-3
A bulk sample of Zorb-All, a drying agent used to remove moisture and liquids from the dock floor of the Commercial Lovelace Company (SIC-4463) freight terminal in Dayton, Ohio was collected on March 7, 1979. The sampling was prompted by a request from an authorized representative of the Teamsters Union to determine the potential toxic effects of the agent. X-ray analysis of the approximately 6 percent amount of free crystalline-silica (quartz) (14808607) contained in the sample shows that silica (7631869), potassium (7440097), calcium (7440702), titanium (7440326), iron (7439896), and aluminum (7429905) were the major constituents of this substance. It is concluded that Zorb-All is not hazardous to dock workers at the terminal because of its low content of toxic material and large particle size. It is recommended that the agent be cleaned up after its use before a dry powder residue is formed, which might become airborne and cause irritation of the eyes, nose, or throat.
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; HHE-79-50-597; Region-5; Hazard-Unconfirmed; Airborne-contaminants; Air-sampling; Dock-workers; Author Keywords: Zorb-All; eye, nose, and throat irritation
14808-60-7; 7631-86-9; 7440-09-7; 7440-70-2; 7440-32-6; 7439-89-6; 7429-90-5
Field Studies; Health Hazard Evaluation
NTIS Accession No.
National Institute for Occupational Safety and Health
Page last reviewed: May 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division