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Industrial Hygiene Survey of the Johns-Manville Corporation Fibrous Glass Plant 7, in Waterville, Ohio.

Authors
Dement-J
Source
NIOSH 1973 Aug:32 pages
Link
NIOSHTIC No.
00106238
Abstract
Worker exposures to small diameter glass fibers were surveyed at Johns-Manville Corporation (SIC-3229) in Waterville, Ohio during May 7 to 10, 1973. About 177 persons were employed at the facility. The corporation retained a general practitioner to perform physical examinations. During the day shift a nurse was on duty. Pre- employment and voluntary periodic physical examinations were given, including chest X-rays and blood tests, but not pulmonary function tests. The factory had industrial hygiene, safety and personal protection programs and a safety committee. Personal and general air samples were collected to determine glass fibers and carbon- monoxide (630080) concentrations, and noise levels were measured. Personal total fiber concentrations ranged from 5.7 to 33.6 fibers per milliliter (fibers/ml). Personal respirable fiber concentrations ranged from 2.7 to 22.8fibers/ml in the microfiber and J and J operations. Area samples of total fiber concentrations, ranged from ranged from 0.24 to 2.04 milligrams per cubic meter (mg/m3). The highest carbon-monoxide concentration was 13 parts per million. Noise levels ranged from 66 to 115 and 78 to 115 decibels in the A and C weighing networks, respectively. The author concludes that exposures to significant amounts of respirable glass fibers were found in the microfiber, microquartz and J and J operations. He recommends that exposures to respirable glass fibers be kept at an absolute minimum with good work practices and engineering controls. The use of compressed air should be stopped and cleaner vacuum methods should be employed. Medical surveillance of persons working in the microfiber, microquartz and J and J areas is also recommended.
Keywords
NIOSH-Author; NIOSH-Survey; Field-Study; Glass-manufacturing-industry; IWS-35-21; Region-5; Airborne-fibers; Workplace-studies; Air-contamination; Air-sampling; Gases; Noise-pollution; Control-methods; Air-quality-control; Occupational-health-programs;
CAS No.
630-08-0;
Publication Date
19730829
Fiscal Year
1973
NTIS Accession No.
PB81-224727
NTIS Price
A04
Identifying No.
IWS-35-21
NIOSH Division
DFSCI;
SIC Code
3229;
Source Name
NIOSH, Environmental Investigations Branch, Division of Field Studies and Clinical Investigations, Cincinnati, Ohio, 32 pages, 15 references
State
OH;
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