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Physiological evaluation of industrial heat stress.

Authors
Minard-D; Goldsmith-R; Farrier-PH Jr.; Lambiotte-BJ Jr.
Source
Am Ind Hyg Assoc J 1971 Jan; 32(1):17-28
NIOSHTIC No.
00017611
Abstract
Industrial heat stress survey conducted at an open hearth department of a Pittsburgh steel mill. Evaluation of heart rate (HR) and body temperature in 19 workers on various jobs reveals that men expend 31 to 36 percent of maximum cardiocirculatory capacity on the job. In 12 tests on five second helpers, continuous electrocardiographic recordings show that individual mean HR for the shift ranges from 99 to 136 per minute in summer and 97 to 111 per minute in winter. HR on the job varies inversely with individual work capacity estimated from per shift performance with an ergometer. Performance decrement is observed post shift in two workers with lowest work capacity. HR gradients to heat levels are nearly as great as to task levels in summer. In winter, HR gradient to heat is only 33 percent that of summer, but HR responses to task are unchanged.
Keywords
NIOSH-Publication; NIOSH-Grant; Physiological-studies; Physiological-response; Cardiovascular-function; Heat-stress; Physiological-stress; Heat; Industrial-processes; Seasonal-factors
Contact
Occupational Health University of Pittsburgh 130 Desoto Street Pittsburgh, PA 15213
CODEN
AIHAAP
Publication Date
19710101
Document Type
Journal Article
Funding Amount
29691
Funding Type
Grant
Fiscal Year
1971
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00325
Issue of Publication
1
ISSN
0002-8894
Source Name
American Industrial Hygiene Association Journal
State
PA
Performing Organization
University of Pittsburgh, Pittsburgh, Pennsylvania
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