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- [1] SAMPLE PREPARATION IN THE DETERMINATION OF - FREE CRYSTALLINE SILICA IN RESPIRABLE DUST FROM STEEL-MAKING ENVIRONMENTS INTERNATIONAL LABORATORY, 1979, (NOV-): : 28 - &
- [3] DIRECT INFRARED SPECTROPHOTOMETRIC ANALYSIS OF FREE CRYSTALLINE SILICA IN RESPIRABLE DUST FROM A STEEL FOUNDRY AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL, 1981, 42 (08): : 579 - 585
- [8] Respirable dust and crystalline silica (quartz) exposure resulting from potato harvesting operations Journal of Agricultural Safety and Health, 1999, 5 (01): : 97 - 107