00—000 Range of Survey Results in micro—R/hr 00 Survey Result in micro—R/hr at that Location lo to—15 10-20 10 30-40 10-15 10-20 LAGOON 10—15 10—20 10 EREU ISLAND ° 0 500 1000 SCALE Figure 3. Enau Island — Background Radiation Survey Results 10 2000 FEET