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Walk-Through Survey Report, Control Technology for Hand Grinding at Producto Machine Company Foundry Division, Bridgeport, Connecticut.

Authors
Hollett-BA
Source
NIOSH 1983 May:12 pages
Link
NIOSHTIC No.
00130201
Abstract
An evaluation of high velocity low volume (HVLV) technology in the hand grinding industry was evaluated at Producto Foundry (SIC-3321), Bridgeport, Connecticut on March 24, 1983. The foundry had the basic functional activities characteristic of all foundries. One of the most significant hazards associated with foundry activities was silica (14808607) exposure during the cleaning of castings. Producto had an extensive emission control system. However, for a variety of reasons, the HVLV hoods had been removed and thus the majority of the hoods, hoses, and outlets were not in use. Workers felt that the hoods restricted the usable tool surface and access to tight inside angles and smaller diameter orifices. The use of the HVLV was estimated by one experienced worker to slow the clean room production by 30 percent. Furthermore a change over to a new type of grinder using 6 inch cup stones instead of 7 inch flat wheels made the grinder incompatible with the old hood designs. The author concludes that the HVLV system at the facility was a major effort to implement this technology in the foundry industry; however, it has not been accepted by the workers and thus is not achieving its intended goal.
Keywords
NIOSH-Author; NIOSH-Survey; Worker-health; CT-145-11a; Region-1; Field-Study; Industrial-ventilation; Dust-exposure; Work-practices; Industrial-exposures; Time-weighted-average-exposure; Ventilation-hoods; Ventilation-systems;
CAS No.
14808-60-7;
Publication Date
19830501
Document Type
Field Studies; Control Technology
Fiscal Year
1983
NTIS Accession No.
PB84-145457
NTIS Price
A03
Identifying No.
CT-145-11a
NIOSH Division
DPSE;
SIC Code
3321;
Source Name
Division of Physical Sciences and Engineering, NIOSH, Cincinnati, Ohio, Report No. 145-11a, 12 pages
State
CT; OH;
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