WAC 296-17A-1703. Classification 1703

1703-01 Open cut mining - All types; placer or hydraulic mining Applies to: All types of open cut mining, also commonly referred to as surface mining, open pit mining, or strip mining, whereby ores and minerals are extracted from a large hole or pit on the surface. Materials extracted include, but are not limited to: • All types of ore; • Asbestos; • Asphalt; • Chalk; • Graphite; • Gypsum; • Mica; • Phosphate rock; • Talc. Work activities include, but are not limited to: • Excavating and stripping the surface material with use of drag lines, power shovels or earth moving equipment. • Loading products onto dump trucks or belt conveyors for movement to railroad sidings. • Loading into ore cars for shipment to processing plants. • Hydraulic mining – Material is excavated by moving a stream of high pressure water over the mining face. • Placer mining – Obtains minerals from placers by use of running water such as on a stream or the shoreline. Equipment used include, but are not limited to: • Bulldozers; • Compressors; • Conveyors; • Drag lines; • Pneumatic drilling rigs; • Scrapers; • Shovels; • Trucks. Exclusions: • Underground mining is classified in 1702; • Quarrying is classified in 1704.