N TABLE 4.12 COMPARISON OF ACTIVITIES PER UNIT AREA COLLECTED BY THE HIGH VOLUME FILTER AND OTHER SAMPLING INSTRUMENTS Designation and Exposure Period, H+hr Shot eet Zuni Ic HVF YAG 40-B-9 YAG 40-B-10 YAG 40-B-11 YAG 40-B-12 YAG 40-B-13 YAG 40-B-14 YAG 40-B-15 YAG 40-B-8 “HVFto 3.4 to 4.8 5.3 5.8 6.3 6.8 1.3 7.8 16.4 16.4 OCC cc and AOC AC , , HVF (area = ——g o6696 ft) 6.06 x10 3.87x10% YAG 40-B-7 to 15.6 To16,3 and28.2* YAG 40-B-8 to 26.4 YAG 40-B-7 to19.9 To 26.4 2.03 x 104% Navajo YAG 40-B-8 to 19.1 YAG 40-B-7 to15.6 To 8.7 and19.7* 3,72 x10” YAG 39-C-25 to 26.1 to cessation * Short-exposure trays as active as long. YAG 39-C-20 YAG 39-C-20 to18.2 to16.1 To 23.8 To 15.9 and 24.1* } DMT spilled on recovery. 0.05584 ft?) 10.14 x 1088 23.48 23.73 21.79 6.42 6.93 0.39 3.97 9.68 x 10! Flathead YAG 39-C-25 2 9 Fiasions/ft" (Mo_) JC (area = OCC and AOC 1.67x10%, 5.50 x 104 4.8510 3.70 x10! 11.9 x 10 1 (area = 2.60ft’) 3.71 + 0.88 x 1044 16.3 13.4 x 10% 4.37 4 2.37 x 10% 6.08 + 1.26 x 10% 14.6 + 3.5 x 10%