AP-42 Section 11.19.2 Crushed Stone Processing and ...
11.19.2.1 Process Description 24, 25 Crushed Stone Processing Major rock types processed by the crushed stone industry include limestone, granite, dolomite, traprock, sandstone, quartz, and quartzite. Minor types include calcareous marl, ... quarrying and processing. A substantial portion of these emissions consists of heavy particles