2 TIRES THAT HAD BEEN DISPOSED OF 100 FT DOWN THE SPOIL SLOPE OF PINON PIT CAUGHT FIRE. NO ONE WAS WORKING IN PIT AT THE TIME. WATER TRUCK EXTINGUISHED TIRES WITHIN 35 MINS. MSHA NOTIFIED. PINON RAMP 3 IS A NORMAL TIRE DISPOSAL AREA (MOST TIRES AT BOTTOM OF PIT) AND AN ACTIVE ASH DISPOSAL PIT. DUMP ELEVATION TO BE COMPLETED BY END OF AUGUST, 2004.