CROWN TRYGG WAS A HOT MIX ASPHALT FACILITY SUBJECT TO NEW SOURCE PERFORMANCE STANDARDS. 40 CFR 60.8 REQUIRES THAT SUBJECT SOURCES CONDUCT PERFORMANCE TESTS WITHIN 60 DAYS OF ACHIEVING MAXIMUM PRODUCTION RATE, BUT NO LESS THAN 180 DAYS AFTER INITIAL START UP OF FACILITY, CROWN TRYGG FAILED TO CONDUCT PERFORMANCE TESTS.