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Keystone Achieves Positive Dust Control During Dry Drilling.

Authors
page-SJ; Folk-M
Source
Eng and Min J 1984 185(9):84-85
Link
NIOSHTIC No.
10004193
Abstract
In conventional room-and-pillar mining, the drilling of mining faces is frequently a severe source of airborne dust. Without the use of effective dust control, instantaneous total dust concentrations occasionally reach or exceed 200 mg/m3, and the time-weighted average often exceeds the 10-mg/m3 total dust standard. The control of dust produced by face drilling includes dry collection systems or the following three wet dust suppression systems: external water sprays, water injection through the drill, or foam injection through the drill.
Publication Date
19840101
Document Type
OP;
Fiscal Year
1984
NTIS Accession No.
NTIS Price
Identifying No.
OP 135-84
Issue of Publication
9
NIOSH Division
PRC;
Source Name
Eng. and Min. J., V. 185, No. 9, Sept. 1984, PP. 84-85
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