FRONT SIDE WITH 1.6 cm OUTER DIAMETER TAPPERED CuT-oOUTS. REAR SIDE WITH Li cm INNER DIAMETER AND COVERED WITH A THIN LAYER OF MYLAR. FRONT PANEL FRONT SIDE WITH lcm DIAMETER INSETS TO HOLD TLDS. REAR SIDE, SOLID ALUMINUM. REAR Figure 1. PANEL Aluminum TLD holder. ~ 19 -