RESULTS OF ROUTINE MONITORING OF FALLOUT DURING THIRD QUARTER 1969 TABLE 1 TOTAL BETA ACTIVITY OF AIR SAMPLES In Picocuries per Cubic Metre Four Days after Collection. Filters changed 3 times each week. AUCKLAND Date Filter Removed 2.7.69 pay Date Total Beta Removed pci/n3 Filter pci/m? 0.10 2.7259 Activity 0.05 Date Total Peta Removed pci/m? Filter 2.7.69 Activity 0.04 4.7.69 0.04 4.7.69 9.7.69 0.07 9.7.69 0.08 9.7.89 0.05 14.7.69 0.04 15.7.69 0.04 0.03 23.769 0.09 8.7.69 0.09 11.7.69 0.03 11.7.69 16,7.69 18.7.69 0.06 0.04 16.7.69 18.7.69 0.04 0.04 23.7.69 0.08 23.7.69 0.07 1.8.69 0.03 21.7269 fea BL Activity 0.08 14.7.69 Wied ie crn RPT tr Total Beta CHRISTCHURCH 4.7.69 727.69 een.met PD WELLINGTON 0.04 0.04 - 21.7.69 25.7.69 28.7269 30.7.69 0.07 0.04 0.05 Average 0.06 Average 4.8.69 6.8.69 8.8.69 0.09 0.13 0.04 4.8.69 6.8.69 8.8.69 1.8.69 0.09 11.8.69 0.07 18.8, 69 0.13 13.8.69 15.8.69 20.8.69 22.8.69 25.8.69 27.48.69 29.8.69 1.9.69 Average 3.9.69 5.9.69 8.9.69 10.9.69 12.9.69 15.9.69 17.9.69 19,9.69 25.7.69 28.7.69 30.7.69 11.8.69 0.03 0,04 0.05 0.07 0.09 0.02 0.03 28.7.69 0.7.69 1.8.59 0.05 Average 0.05 0.05 0.05 0.17 4.8.69 6.8.69 8.8.69 0.03 0.05 0,04 14.58.59 15.8.69 0.05 0.03 0.05 11.8.59 0.02 18.8.69 0.06 0.08 0.10 0.07 20.8.69 22.8.69 0.07 0.07 0.03 25.8.69 0.05 0.10 0.08 0.08 29.8.69 1.9.69 Average 0.06 0.05 0.07 0.09 3.9.69 27.8.69 18.7.69 21.7.69 0.04 0.08 13.8.69 15.8.69 0.08 11.7.69 0.05 25.7.59 0.05 0.08 18.8.69 7.7.69 0.06 0.09 0.03 0.03 0.04 0.03 0.05 0.04 20.8.69 25.8.69 9.05 0.09 29.8.69 0.04 Average 0,05 3.9.69 0.05 278.69 1.9.69 0,12 0.06 22.9.69 0.09 0.11 0.03 0.09 0.10 0.12 0,08 0.07 5.9.69 8.9.69 10.9.69 12.9.69 15.9469 17.9.69 19.9.69 0.12 0.09 0.05 0.07 0.08 0.09 0.06 5.9.69 8.9.69 10.9.69 12.9.69 15.9.69 17.95.69 19.9.69 24.9.69 0.07 24.9.69 26.9.69 0. o4 0.06 24.95.59 29.9.69 110.69 0. 0.08 22.9.69 0.05 22.9.69 0.08 0.04 0.02 0.07 0.05 0.05 0.04 0.04 1.06 08 26.9.69 29.9.69 1.10.69 0.12 0.08 0.10 Average 0.09 Average 0.07 Average G.005 Quarterly 0.08 Quarterly 0.06 eeerage. 0.05 Average . 29.9.69 1.10.69 Average 0.07 0.08 10.