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Health hazard evaluation report: HETA-90-0149-2522, Intalco Aluminum Corporation, Ferndale, Washington.

Authors
Sim-MR; Dougherty-JA; Dick-RB; Russo-JM; Grubb-PL; Krieg-E Jr.; Bernard-BP; Mueller-C; McCammon-CS
Source
Cincinnati, OH: U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, HETA 90-0149-2522, 1995 Aug; :1-31
NIOSHTIC No.
00229498
Abstract
In response to a request from three employees at the Intalco Aluminum Corporation (SIC-3334), Ferndale, Washington, an investigation was begun into the prevalence of neurological disorders in pot room workers. A progressive neurological disease characterized by tremor, balance problems, bone and joint aches and memory loss had been reported among aluminum potroom workers. Data collection included a questionnaire, neurologic exam, tremor testing using a hand held device (arm/hand) and a Kondraske frame (leg), and tests of postural stability, reaction time, and vocabulary. The study subjects included 63 current and former aluminum potroom workers and a group of 37 cast house and carbon facility workers. While the potroom workers had higher prevalences for most of the neurologic symptoms, the only symptom for which a statistically significant higher prevalence was found was incoordination. The authors conclude that objective measures of neurologic function did not support the finding of increased neurologic symptom prevalences. The findings do not support the idea that neurologic effects among potroom workers at this facility are related to the working environment in the potrooms.
Keywords
NIOSH-Author; NIOSH-Health-Hazard-Evaluation; NIOSH-Technical-Assistance-Report; HETA-90-0149-2522; Hazard-Unconfirmed; Region-10; Aluminum-foundries; Aluminum-industry; Nervous-system-disorders; Neuropathology
Publication Date
19950801
Document Type
Field Studies; Hazard Evaluation and Technical Assistance
Fiscal Year
1995
NTIS Accession No.
PB96-115464
NTIS Price
A04
Identifying No.
HETA-90-0149-2522
NIOSH Division
DSHEFS
SIC Code
3334
Source Name
National Institute for Occupational Safety and Health
State
WA; OH
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