Elevated Blood Lead Levels Among Fire Assay Workers and Their Children in Alaska, 2010-2011. 2015

Kimberly A Porter, and Cassandra Kirk, and Donna Fearey, and Louisa J Castrodale, and David Verbrugge, and Joseph McLaughlin
Alaska Department of Health and Social Services, Division of Public Health, Section of Epidemiology, Anchorage, AK ; Current affiliation: Centers for Disease Control and Prevention, Global Immunization Division, Atlanta, GA.

In October 2010, an employee at Facility A in Alaska that performs fire assay analysis, an industrial technique that uses lead-containing flux to obtain metals from pulverized rocks, was reported to the Alaska Section of Epidemiology (SOE) with an elevated blood lead level (BLL) ≥10 micrograms per deciliter (μg/dL). The SOE initiated an investigation; investigators interviewed employees, offered blood lead screening to employees and their families, and observed a visit to the industrial facility by the Alaska Occupational Safety and Health Section (AKOSH). Among the 15 employees with known work responsibilities, 12 had an elevated BLL at least once from October 2010 through February 2011. Of these 12 employees, 10 reported working in the fire assay room. Four children of employees had BLLs ≥5 μg/dL. Employees working in Facility A's fire assay room were likely exposed to lead at work and could have brought lead home. AKOSH inspectors reported that they could not share their consultative report with SOE investigators because of the confidentiality requirements of a federal regulation, which hampered Alaska SOE investigators from fully characterizing the lead exposure standards.

UI MeSH Term Description Entries
D007854 Lead A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.
D008297 Male Males
D008452 Maximum Allowable Concentration The maximum exposure to a biologically active physical or chemical agent that is allowed during an 8-hour period (a workday) in a population of workers, or during a 24-hour period in the general population, which does not appear to cause appreciable harm, whether immediate or delayed for any period, in the target population. (From Lewis Dictionary of Toxicology, 1st ed) Maximum Permissible Exposure Level,MPEL,Maximum Permissible Exposure Concentration,Allowable Concentration, Maximum,Allowable Concentrations, Maximum,Concentration, Maximum Allowable,Concentrations, Maximum Allowable,MPELs,Maximum Allowable Concentrations
D008669 Metallurgy The science, art, or technology dealing with processes involved in the separation of metals from their ores, the technique of making or compounding the alloys, the techniques of working or heat-treating metals, and the mining of metals. It includes industrial metallurgy as well as metallurgical techniques employed in the preparation and working of metals used in dentistry, with special reference to orthodontic and prosthodontic appliances. (From Jablonski, Dictionary of Dentistry, 1992, p494) Heavy Industries,Industries, Heavy,Heavy Industry,Industry, Heavy
D011482 Protective Devices Devices designed to provide protection against injury. Safety Devices,Device, Protective,Device, Safety,Devices, Protective,Devices, Safety,Protective Device,Safety Device
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003219 Confidentiality The privacy of information and its protection against unauthorized disclosure. Patient Data Privacy,Privacy of Patient Data,Privileged Communication,Confidential Information,Secrecy,Communication, Privileged,Communications, Privileged,Data Privacy, Patient,Information, Confidential,Privacy, Patient Data,Privileged Communications
D004781 Environmental Exposure The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals. Exposure, Environmental,Environmental Exposures,Exposures, Environmental
D005192 Family Health The health status of the family as a unit including the impact of the health of one member of the family on the family as a unit and on individual family members; also, the impact of family organization or disorganization on the health status of its members. Health, Family

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