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Evaluation of substitute materials for silica sand in abrasive blasting (Phase 2).

Authors
NIOSH
Source
NIOSH 1998 Dec; :1-274
Link
NIOSHTIC No.
20000057
Abstract
Abrasive blasters using silica sand are at high risk of developing silicosis. Although NIOSH recommended in 1974 that silica sand be banned in abrasive blasting, it is still the highest used blasting abrasive in the United States. However, little objective data exists regarding the effectiveness, operating costs, and concentrations of health-related agents for abrasive blasting substitutes. This study's objective was to compare (in a partially-controlled field site) silica sand's performance characteristics, operating costs, and airborne and bulk concentrations of thirty health-related agents to seven substitute abrasives (silica sand treated with a dust suppressant, coal slag, copper slag, garnet, nickel slag, staurolite, and steel grit). Performance characteristics included: cleaning rate, consumption rate, surface profile, breakdown rate, and abrasive embedment.
Keywords
Abrasives; Abrasive-blasting; Occupational-diseases; Silica-minerals; Silicosis; Slags; Metal-cleaning; Industrial-medicine; Test-methods; Air-sampling; Respiratory-disease; Occupational-safety-and-health; Sands; Alternatives; Costs; Arsenic; Beryllium; Cadmium; Chromium; Lead
CAS No.
7440-38-2; 7440-41-7; 7440-43-9; 7440-47-3; 7439-92-1; 7439-96-5; 7440-02-0; 14808-60-7; 7440-22-4; 7440-32-6; 7440-62-2; 7631-86-9
Publication Date
19981221
Document Type
Final Contract Report
Funding Type
Contract
Fiscal Year
1999
NTIS Accession No.
PB99-140964
NTIS Price
A13
Identifying No.
Contract--200-95-2946
NIOSH Division
OD; DRDS
Priority Area
Pulmonary-system-disorders; Asthma and Chronic Obstructive Pulmonary Disease; Disease and Injury;
Source Name
KTA-Tator, Inc., Pittsburgh, PA. National Inst. for Occupational Safety and Health, Cincinnati, OH
State
PA; GA; WV
Performing Organization
KTA-Tator, Inc., Pittsburgh, Pennsylvania
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