8-8-01-OVER 90 DEGREE HEAT. EE WAS UP ON TOP OF PLANT GREASING. HE BECAME ILL-VOMITING-=WAS NOT SWEATING-CLIMBED DOWN OFF PLANT AND CONTACTED HIS SUPERVISOR. EE WAS TAKEN TO HOSPITAL AND TREAT ED FOR HEAT EXHAUSTION-THEN RELEASED AFTER 1500 THE SAME DAY.