MSHA selects sites for diesel sampling

摘要

Seven NSSGA member sites are among 31 metalonmetal mines that MSHA has selected for air monitoring to determine under-ground miners' exposure to diesel particulate matter (DPM). The seven are: Kaskaskia, Fort Dodge and Sully Mine Mill, Martin Marietta Aggregates; Harding Street, Hanson Aggregates Midwest Inc.; Atlantic, Schildberg Construction Co. Inc.; Central Quarry, Vulcan Construction Materials; and Kerford Limestone, Kerford Limestone Co.