HI JOHN, I JUST GOT HOME FROM ANR(AGRICULTURE AND NATURAL RESOURCES) WEEK AT MICHIGAN STATE UNIVERSITY BEEKEEPING WEEKEND. ONE OF THE SPEAKERS WAS DR. KEITH DELAPLANE(THIS MAY BE SPELLED INCORRECTLY) FROM THE UNIVERSITY OF GEORGIA. HE HAS BEEN WORKING ON THYMOL IN THE FORM OF "APIGUARD" AND THE CHEMICAL IS IN THE APPROVAL PROCESS. HE HAS A WEB PAGE AND MORE INFORMATION IS AVAILABLE THERE. COLEENE