NRL REPORT 6374 TABLE 4 Summary of Radon Concentrations Deduced from Count Ratios Under the Assumptions of One Instantaneous Emission of Radon From the Soit at Some Past Time, of Continuous Emission of Radon Fromthe Soil at a Uniform Rate Beginning at Some Past Time, and of Secular Equilibrium of Radon and Its Daughters in the Atmosphere Collection Date i Radon Concentration (pCi/m?) , eat “t, seaifiat Absorber Thickness (mils Al) pe Instantaneous Emission Continuous* Emission 30 0 0.73 + 0.09 0.71 + 0.06 923 + 30 249 + 18 224 256 22046 940 +3 Time (EST) FI ae o” are (m?/min) ‘one “oun (f141) 0730-0750 0732-0752 0.501 0.430 1475 10896 0.398 0.322 t Secular Equilibrium 1964 Oct. 29 0940-1000 0.428 7117 0.331 5 0.86 + 0,06 303 + 20 _— 279+ 4 0942-1002 0.501 2234 0.369 30 0.85 + 0.08 2k6 + 28 —_ 333 + 8 Nov. 10 0810-0830 0812-0832 0.518 0.436 12006 9829 0.388 0.378 “10 10 0.64 + 0.03 0.69 + 0.04 670 + 35 602 +37 744 635 579 +6 562 +6 Nov. 12. 0800-0820 0802-0822 0.513 0.436 9640 2832 0.391 0.384 10 30 0.63 + 0.04 0.78 = 0.06 556 + 30 452+ 39 623 _ 470 +5 485 + 10 Noy. 13) 0805-0825 0807-0827 0.515 0.436 764 187] 0.402 0.382 30 10 0.72 40.13 0.68 + 0.09 115 + 23 1I8+ 16 i17 126 tHll+5 107 + 3 Nov. 16 0945-1005 0947-1007 0.515 0.433 1870 4214 0.412 0.386 30 10 0.68 + 0.07 0.65 + 0.06 209 + 34 O77 + 2 318 305 27147 243 +4 Nov. 23) 0835-0855 (837-0857 0.521 0.442 2468 1882 0.377 0.369 10 10 0.70 + 0.08 0.74 + 0.10 126417 106 + 18 131 106 118 +3 106 + 3 Nov. 24 0815-0835 0817-0837 0.52] 0.439 5956 4799 0.388 0.382 10 10 0.65 + 0.05 (L67 + 0.06 331 + 26 302 + 27 364 326 286 = 4 27344 Nov. 25 0814-0834 0816-0836 0.515 0.433 2042 16G0 0.389 0.364 10 10 0.64 + 0.10 0.76 + 0.11 ES417 88+ 16 128 _— 99+ 3 go> 8 Nov. 27 0850-0910 0852-0912 0.515 0.439 4874 4052 0.381 0.371 10 10 0.68 + 0.06 0.73 + 0.06 259 + 93 233 + 34 276 234 23724 23144 Now. 30 + 0810-0830 0.513 3834 0.372 10 0.72 + 0.07 190 + 20 194 18743 teens aeRea 7 oH Nov. 9 Dec. 7 0935-0955 0.521 1296 0.362 10 0.78 + 0.12 58+ 12 _ 6242 Dec. 9 0830-0850 0832-0852 0.521 0.442 4331 3310 0.393 0.405 10 10 0.62 + 0.06 0.58 + 0.05 250 + 238 246 + 27 283 286 208 + 4 187 +4 Dec. 14 0808-0828 0810-0830 0.521 0.430 2623 2154 0.361 0.337 10 10 0.78 + 0.09 V.g0 + 0.15 117+ 16 94412 — _ 12643 125 +3 Jan. 5 0710-0730 0755-0815 0840-0900 0925-0945 1010-1030 1055-1115 1310-1330 1520-1540 0.541 0.541 0.541 0.541 0.541 0.541 0.541 0.541 4589 4918 5302 3637 4564 3489 2711 2342 0.384 0.393 0.365 0.358 0.368 0.365 0,392 0.351 10 10 10 10 10 10 10 10 0.66 0.62 0.76 0.80 0.75 0.76 0.62 0.84 + + + + + + + + O47 0.05 0.06 0.07 0.06 0.07 0.07 0.10 238 + 272 + 236 + 152 4 208 + 155+ 149+ 91+ 21 24 22 17 20 19 18 13 259 307 _ _ — — 168 _ 21244 227 +4 245 +4 168 +3 2l1+4 16123 125+ 3 108 + 3 Jan. 7 0820-0840 0905-0925 1015-1035 1530-1550 0.541 0.541 0.541 0.541 6315 6534 4761 2235 0.369 0.370 0.375 0.361 10 10 10 10 0.74 0.74 0.71 0.79 + + + + 0.05 0.05 0.06 0.09 292 304 229 96 + + + + 24 24 21 14 292 304 936 _ 292+4 30244 990 +4 103 +3 1965 *No conversion factors derivable for conditions where p > 0.735. ALLS