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Chromic Acid in Electroplating.

Authors
Choen-SR; Kramkowski-RS
Source
Transactions of the Thirty-Sixth Annual Meeting of the American Conference of Governmental Industrial Hygienists, Miami Beach, Florida, May 12-17, 1974 1974:131-139
Link
NIOSHTIC No.
00205589
Abstract
Investigations were conducted to determine the hazards facing workers in the electroplating industry. A review of the literature on chromic-acid (1333820) revealed five previous studies where an attempt was made to correlate exposure to effect. Each of these earlier studies determined levels of chromic-acid which were higher than those found in the current study. The results of medical examinations for the present study group indicated 35 of 37 (95%) workers in the chrome plating area had developed damage to the tissues in their noses, while a lesser number had developed skin damage. Workers employed for longer periods of time had developed higher grade lesions of the nasal mucosae. All except one worker in the comparison group had perfectly normal nasal tissue with no evidence of any damage. Environmental levels of chromic-acid in the work areas were very low, far too low to explain the medical findings using the current criteria. Observation of the workers indicated that the transfer of chromic-acid from work surfaces to nasal tissues may have been a significant factor. The authors suggest a reevaluation of the current restrictions of levels of chromic-acid may be in order based on these findings.
Keywords
Epidemiology; Electroplaters; Skin-disorders; Chromium-compounds; Occupational-exposure; Hexavalent-chromium-compounds; Nasal-disorders;
CAS No.
1333-82-0;
Publication Date
19740101
Document Type
Conference/Symposia Proceedings;
Fiscal Year
1974
NTIS Accession No.
NTIS Price
Source Name
Transactions of the Thirty-Sixth Annual Meeting of the American Conference of Governmental Industrial Hygienists, Miami Beach, Florida, May 12-17, 1974
State
FL;
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