2015-7-2 · 1 15 — 460 tph (applicant estimated 200 tph) ... This engine drives a generator rated at 725 kW to provide power to the crushing plant. The engine has been stationary at this location for two years. ... using a PM to PM2.5 ratio of 12:1 which is based on the tested PM to PM2 5 ratio for tertiary crushing in the 8/04